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MATISEN team: Materials for information technology, sensing and energy conversion. - Contributions [fr]
2024-03-29T12:28:38Z
Contributions
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https://matisen.icube.unistra.fr/en/index.php?title=News&diff=1022
News
2023-06-29T14:27:38Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
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*''<big>''<u> MaCEPV HDR defense </u> : <br><br />
Friday 7 of july 2023 at 2:00 PM, amphitheater Grünewald (IPHC, building 25 of campus Cronenbourg)''</big>''<br />
|}<br />
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HDR defense "From spin coherence and ODMR in semiconductors to SiC-YIG quantum sensors and quantum processors" by '''Jérôme Tribollet''' <br><br />
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*''<big>''<u> MaCEPV PhD defense </u> : <br><br />
Friday 30 of june 2023 at 9:00 AM, amphitheater Grünewald (IPHC, building 25 of campus Cronenbourg)''</big>''<br />
|}<br />
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"New strategies to improve the transparency of photovoltaic optical modulators for smart windows" by '''Yuhan Zhong''' <br><br />
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*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: Contrat doctoral 2023 FIX EN.pdf| Link to the detailed thesis subject in English]]<br />
<br />
Contact : T. Fix at tfix AT unistra.fr <br><br />
Applications are closed.<br />
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*''<big>''<u> MaCEPV Seminar </u> : <br><br />
Wednesday 17th of May 2023 at 9:00 AM, room 20 of building 40 (campus of Cronenbourg)''</big>''<br />
|}<br />
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" Tunable plasmonic Rectennas to produce electricity by exploiting the wave nature of light " by ''' Anil Bharwal'''<br><br />
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*''<big>''<u> Mini-symposium QMat </u> : <br><br />
Wednesday 29th of March 2023 at 10:00 AM, Auditorium of IPCM (campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
" Quantum photonics and optomechanics in nanostructures " <br><br />
<br />
[https://seafile.unistra.fr/f/a016eb43d87c4eeaad0a/ Program and abstracts]<br />
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*''<big>''<u> Organic Electronics Days </u> : <br><br />
The mornings of Thursday 30 and Friday 31 March 2023, by videoconference''</big>''<br />
|}<br />
<br />
"Organic Electronics: “From component to applications” " by '''the EEA club''' <br><br />
<br />
[[Media: Flyer-Journees-EO-Club-EEA-Final-2.pdf| Program and registrations]]<br />
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*''<big>''<u> 1/2 day of seminars on the IMEE and CS axes of ICube </u>: <br><br />
Monday, March 27, 2023 from 9:30 a.m., Location to be confirmed''</big>''<br />
|}<br />
<br />
"Modeling approaches for the IMEE axis" by '''Y. Hoarau, S. Leclerc and J.-M. Dischler''' (ICube) <br><br />
<br />
[[Media: Séminaire Approches de Modélisation.pdf| Program and summaries of presentations]]<br />
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*''<big>''<u> ITI HiFunMat seminar</u> : <br><br />
Wednesday 15 of march 2023 at 10:00 am, ICS amphitheater Henri Benoit (Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"New advances in tetrazines and heptazines chemistry. Fluorescence, photocatalysis, and applications to organic photovoltaic" by '''Pierre Audebert''' <br><br />
<br />
Abstract : <br><br />
s-Tetrazines, and the far more enigmatic heptazines, which count much less described examples, are among the most electron deficient high-nitrogen content, stable aromatic heterocycles (Fig. 1). This peculiarity confers them very original physico-chemical characteristics, including delayed fluorescence, a high electrochemical reduction potential, and a strong potential in organic photocatalysis. In<br />
addition, heptazines can trigger enhanced electron transport in OPV devices. However, their synthetic approach, for heptazines, is still in its infancy. We will present and comment on new strategic synthetic procedures involving these two families, insisting more on heptazines recent results, and new properties.<br />
This lecture will therefore recall new synthetic advances in both fields of tetrazines, and heptazines. Noticeably, a new synthetic procedure of heptazines using mechanochemistry, elaborated in the PPSM laboratory, will be presented. As well, we will describe new very low-viscosity tetrazine-based fluorescent liquids. The original delayed fluorescence of original heptazines, which are the first species to present sometimes a singlet-triplet inversion, will be detailed, along with first results in<br />
photocatalysis.<br />
<br />
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*''<big>''<u> Launch of the STELORG consortium website </u>: <br><br />
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<br />
The website of the "Strasbourg electronic organic " consortium, of which the MaCEPV team is a member, has been put online and is accessible at the following address: http://stelorg.unistra.fr/ <br><br />
<br />
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*''<big>''<u> MyCEPV Seminar </u>: <br><br />
Friday March 10, 2023 at 10 a.m., room 25 of building 40 (Cronenbourg Campus)''</big>''<br />
|}<br />
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"Planar thermoelectric micro-generators for thermal energy harvesting" by '''Ibrahim Bel Hadj''' <br><br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
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[http://DOI:%2010.1002/adfm.202202075 Preferential Location of Dopants in the Amorphous Phase of Oriented Regioregular Poly(3-hexylthiophene-2,5-diyl) Films Helps Reach Charge Conductivities of 3000 S cm−1, Yuhan Zhong, Viktoriia Untilova, Dominique Muller, Shubhradip Guchait, Céline Kiefer, Laurent Herrmann, Nicolas Zimmermann, Marion Brosset, Thomas Heiser, and Martin Brinkmann*]<br />
<br />
Abstract: <br><br />
Doping polymer semiconductors is a central topic in plastic electronics and especially in the design of novel thermoelectric (TE) materials. In this con-tribution, it has been demonstrated that doping of oriented semicrystalline P3HT thin films with the dopant tris(4-bromophenyl)ammoniumyl hexachlo-<br />
roantimonate), known as magic blue (MB), helps reach charge conductivities of 3000 S cm−1 and TE power factors of 170 ± 30 μW mK−2 along the polymer chain direction. A combination of transmission electron microscopy, polarized optical absorption spectroscopy, Rutherford backscattering, and TE property<br />
measurements helps clarify the conditions necessary to achieve such high charge conductivities. A comparative study with different dopants demon-strates that the doping mechanism is intimately related to the semicrystalline structure of the polymer and whether crystalline, amorphous or both phases<br />
are doped. The highest charge mobilities are observed when the dopant MB is preferentially located in the amorphous phase of P3HT, leaving the structure of P3HT nanocrystals almost unaltered. In this case, the P3HT nanocrystals are doped from their interface with the surrounding amorphous phase. These<br />
results indicate that doping preferentially the amorphous phase of semi-crystalline polymer semiconductors is an effective strategy to reduce polaron localization, enhance charge mobilities, and improve TE power factors.<br />
<br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[https://doi.org/10.1021/acsami.2c21727 Self-Powered Dynamic Glazing Based on Nematic Liquid Crystals and Organic Photovoltaic Layers for Smart Window Applications Sadiara Fall, Jing Wang, Thomas Regrettier, Nicolas Brouckaert, Olzhas A. Ibraikulov, Nicolas Leclerc, Yaochen Lin, Mohammed Ibn Elhaj, Lachezar Komitov, Patrick Lévêque, Yuhan Zhong, Martin Brinkmann, Malgosia Kaczmarek, and Thomas Heiser*]<br />
<br />
[[File:PubliMaCEPV graphical abstract.webp|center|350px]]<br />
<br />
<br />
Abstract: <br><br />
Dynamic windows allow monitoring of in-door solar radiation and thus improve user comfort and energy efficiency in buildings and vehicles. Existing technologies are, however, hampered by limitations in switching speed, energy e!ciency, user control, or production costs. Here, we introduce a new concept for self-powered switchable glazing that combines a nematic liquid crystal, as an electro-optic active layer, with an organic photovoltaic material. The latter aligns the liquid crystal molecules and generates, under illumination, an electric field that changes the molecular orientation and thereby the device transmittance in the visible and near-infrared region. Small-area devices can be switched from clear to dark in hundreds of milliseconds without an external power supply. The drop in transmittance can be adjusted using a variable resistor and is shown to be reversible and stable for more than 5 h. First<br />
solution-processed large-area (15 cm²) devices are presented, and prospects for smart window applications are discussed.<br />
<br />
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*''<big>''<u>MaCEPV invited seminar </u> : <br><br />
Thursday 15 december 2022 at 14:00, A301 Télécom Physique Strasbourg Illkirch''</big>''<br />
|}<br />
<br />
"Electrical properties of liquid crystals: characterization, instrumentation and applications" by '''Redouane Douali''' (Professor, Université du Littoral Cote d'Opale, UDSMM Dunkerque)<br><br />
<br />
<br />
Summary <br><br />
Liquid crystals are organic materials with states of matter intermediate between liquid and solid states. They are fluid and self-organized materials that can exhibit orders of orientation and position (layered or columnar structures, depending on the shape of the molecule), which gives them the property of anisotropy and results in interesting properties for applications. The characterization of properties is a crucial step for the development and optimization of devices. The presentation will deal with tools and characterization techniques adapted to liquid crystals; the focus will be on electrical properties and applications in the field of electronics.<br />
<br />
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*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Tuesday, December 13, 2022 at 10 a.m. Amphitheater Marguerite Perrey (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Synthesis and characterizations of Silicon Clathrates films for photovoltaic applications" <br><br />
by '''Romain Vollondat''' <br />
<br />
<br />
Summary:<br />
<br />
This PhD thesis focuses on the production of Silicon Clathrate films and the investigation of their optoelectronic and structural properties. Silicon Clathrates are inclusion compounds formed by a lattice of silicon cages occupied by sodium. Free of sodium, these Silicon Clathrates are exotic direct-band allotropes of silicon alluring for solar technologies. The synthesis process by thermal decomposition is studied in order to obtain the best possible quality films. The reversible control of the sodium occupation of the type-II films allows the transition of the film from a metallic to a semiconductor behaviour. The surface doping of these films with arsenic allows a promising improvement of the photovoltaic response of the material.<br />
<br />
<br />
<br />
Jury members:<br><br />
• Mme. Anne Kaminski-Cachopo - - Reviewer (Professor, IMEP-LAHC, CNRS-Grenoble INP)<br><br />
• M. Pere Roca i Cabarrocas - - Reviewer (Research Director, LPICM, Institut Polytechnique of Paris)<br><br />
• Mme. Sylvie Bégin - - Examiner (Professor, IPCMS, CNRS-Strasbourg University)<br><br />
• M. Jef Poortmans - - Examiner (Research Director, IMEC, Leuven, Belgium)<br><br />
• M. Thomas Fix - - Thesis supervisor (Research Fellow, ICube, CNRS-Strasbourg Unversity)<br><br />
• M. Abdelilah Slaoui - - Thesis co-supervisor (Research Director, ICube, CNRS-Strasbourg University)<br><br />
<br />
<br />
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*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Monday, December 12, 2022 at 10:30 a.m. Marguerite Perey Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth and characterization of Cuprous Oxide Absorbers for Photovoltaics" <br><br />
by '''Chithira VENUGOPALAN KARTHA''' <br />
<br />
<br />
Summary:<br />
<br />
Cuprous Oxide (Cu2O) is a promising candidate as an absorber in photovoltaics. In this work, initially we have optimized the deposition conditions for pure Cu2O film without any parasitic CuO phase via Pulsed Laser Deposition (PLD) and RF Magnetron Sputtering. Optimization of the thermal oxidation of copper sheets to obtain Cu2O was also carried out. We have shown that the stoichiometry of the film can be controlled by varying the deposition conditions. The absorber properties of the films wereinvestigated in detail with several structural, optical, and electrical characterization techniques. To study the influence of the Cu2O growth technique on the absorber properties, optimised PLD and sputtered Cu2O films were compared to thermally oxidised Cu2O sheets. The photovoltaic response of the same absorber prepared via different techniques was also investigated by constructing solar cells with suitable heterojunctions. An open-circuit voltage of 0.56 V was measured from epitaxially grown PLD Cu2O with Nb:SrTiO3 heterojunction. The highest current was obtained for solar cell with thermally oxidised sheet with a short-circuit current density of 1.90 mA/cm2. The sputtered Cu2O solar cell also showed promising photovoltaic response. Finally, the variation in the absorber efficiency of Cu2O was analysed using advanced characterization techniques such as Transient Absorption and Time-Correlated Single Photon Counting. The presence of defects or traps were found to influence the carrier lifetime in the PLD and sputtered Cu2O films, highly affecting the charge carrier separation efficiency when employed in a photovoltaic cell. <br />
<br />
<br />
Jury members:<br><br />
M. BARREAU Nicolas -- Reviewer - Associate professor HDR,IMN, Université de Strasbourg<br><br />
M.EL MARSSI Mimoun-- Reviewer - Professor, LPMC Université de Picardie Jules Verne, Amiens<br><br />
Mme.VIART Nathalie -- Examinator - Professor, IPCMS, CNRS- Université de Strasbourg<br><br />
M.DESCHANVRES Jean-Luc -- Examinator- Research Fellow, LMGP, CNRS- Université Grenoble Alpes<br><br />
M.SLAOUI Abdelilah -- Supervisor - Supervisor, ICube, CNRS- Université de Strasbourg<br><br />
M.FIX Thomas -- Co-supervisor - Research Fellow, ICube, CNRS- Université de Strasbourg<br><br />
M. FERBLANTIER Gérald -- Invitee - Associate professor, ICube, CNRS- Université de Strasbourg<br><br />
<br />
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*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
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*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
<br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
[[File:Schéma lien photovoltaïque - thermoélectricité.png|center|150px]]<br />
<br />
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*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
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*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
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*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
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*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
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*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
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*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
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*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
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*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
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*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
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*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
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*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
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<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
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<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
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<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
|-<br />
|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
<br />
"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
<br />
<br />
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*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
<br />
"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
<br />
<br />
ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
<br />
<br />
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'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
<br />
|}<br />
<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
<br />
|}<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
|}<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
|}<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
|}<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
|}<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
<br />
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'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
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'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
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'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=1021
News
2023-06-20T13:03:47Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
<br />
{|border="0"<br />
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|}<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV HDR defense </u> : <br><br />
Friday 7 of july 2023 at 2:00 PM, amphitheater Grünewald (IPHC, building 25 of campus Cronenbourg)''</big>''<br />
|}<br />
<br />
HDR defense of '''Jérôme Tribollet''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV PhD defense </u> : <br><br />
Friday 30 of june 2023 at 9:00 AM, amphitheater Grünewald (IPHC, building 25 of campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"New strategies to improve the transparency of photovoltaic optical modulators for smart windows" by '''Yuhan Zhong''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: Contrat doctoral 2023 FIX EN.pdf| Link to the detailed thesis subject in English]]<br />
<br />
Contact : T. Fix at tfix AT unistra.fr <br><br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar </u> : <br><br />
Wednesday 17th of May 2023 at 9:00 AM, room 20 of building 40 (campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
" Tunable plasmonic Rectennas to produce electricity by exploiting the wave nature of light " by ''' Anil Bharwal'''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Mini-symposium QMat </u> : <br><br />
Wednesday 29th of March 2023 at 10:00 AM, Auditorium of IPCM (campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
" Quantum photonics and optomechanics in nanostructures " <br><br />
<br />
[https://seafile.unistra.fr/f/a016eb43d87c4eeaad0a/ Program and abstracts]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Organic Electronics Days </u> : <br><br />
The mornings of Thursday 30 and Friday 31 March 2023, by videoconference''</big>''<br />
|}<br />
<br />
"Organic Electronics: “From component to applications” " by '''the EEA club''' <br><br />
<br />
[[Media: Flyer-Journees-EO-Club-EEA-Final-2.pdf| Program and registrations]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> 1/2 day of seminars on the IMEE and CS axes of ICube </u>: <br><br />
Monday, March 27, 2023 from 9:30 a.m., Location to be confirmed''</big>''<br />
|}<br />
<br />
"Modeling approaches for the IMEE axis" by '''Y. Hoarau, S. Leclerc and J.-M. Dischler''' (ICube) <br><br />
<br />
[[Media: Séminaire Approches de Modélisation.pdf| Program and summaries of presentations]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> ITI HiFunMat seminar</u> : <br><br />
Wednesday 15 of march 2023 at 10:00 am, ICS amphitheater Henri Benoit (Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"New advances in tetrazines and heptazines chemistry. Fluorescence, photocatalysis, and applications to organic photovoltaic" by '''Pierre Audebert''' <br><br />
<br />
Abstract : <br><br />
s-Tetrazines, and the far more enigmatic heptazines, which count much less described examples, are among the most electron deficient high-nitrogen content, stable aromatic heterocycles (Fig. 1). This peculiarity confers them very original physico-chemical characteristics, including delayed fluorescence, a high electrochemical reduction potential, and a strong potential in organic photocatalysis. In<br />
addition, heptazines can trigger enhanced electron transport in OPV devices. However, their synthetic approach, for heptazines, is still in its infancy. We will present and comment on new strategic synthetic procedures involving these two families, insisting more on heptazines recent results, and new properties.<br />
This lecture will therefore recall new synthetic advances in both fields of tetrazines, and heptazines. Noticeably, a new synthetic procedure of heptazines using mechanochemistry, elaborated in the PPSM laboratory, will be presented. As well, we will describe new very low-viscosity tetrazine-based fluorescent liquids. The original delayed fluorescence of original heptazines, which are the first species to present sometimes a singlet-triplet inversion, will be detailed, along with first results in<br />
photocatalysis.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Launch of the STELORG consortium website </u>: <br><br />
|}<br />
<br />
The website of the "Strasbourg electronic organic " consortium, of which the MaCEPV team is a member, has been put online and is accessible at the following address: http://stelorg.unistra.fr/ <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MyCEPV Seminar </u>: <br><br />
Friday March 10, 2023 at 10 a.m., room 25 of building 40 (Cronenbourg Campus)''</big>''<br />
|}<br />
<br />
"Planar thermoelectric micro-generators for thermal energy harvesting" by '''Ibrahim Bel Hadj''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[http://DOI:%2010.1002/adfm.202202075 Preferential Location of Dopants in the Amorphous Phase of Oriented Regioregular Poly(3-hexylthiophene-2,5-diyl) Films Helps Reach Charge Conductivities of 3000 S cm−1, Yuhan Zhong, Viktoriia Untilova, Dominique Muller, Shubhradip Guchait, Céline Kiefer, Laurent Herrmann, Nicolas Zimmermann, Marion Brosset, Thomas Heiser, and Martin Brinkmann*]<br />
<br />
Abstract: <br><br />
Doping polymer semiconductors is a central topic in plastic electronics and especially in the design of novel thermoelectric (TE) materials. In this con-tribution, it has been demonstrated that doping of oriented semicrystalline P3HT thin films with the dopant tris(4-bromophenyl)ammoniumyl hexachlo-<br />
roantimonate), known as magic blue (MB), helps reach charge conductivities of 3000 S cm−1 and TE power factors of 170 ± 30 μW mK−2 along the polymer chain direction. A combination of transmission electron microscopy, polarized optical absorption spectroscopy, Rutherford backscattering, and TE property<br />
measurements helps clarify the conditions necessary to achieve such high charge conductivities. A comparative study with different dopants demon-strates that the doping mechanism is intimately related to the semicrystalline structure of the polymer and whether crystalline, amorphous or both phases<br />
are doped. The highest charge mobilities are observed when the dopant MB is preferentially located in the amorphous phase of P3HT, leaving the structure of P3HT nanocrystals almost unaltered. In this case, the P3HT nanocrystals are doped from their interface with the surrounding amorphous phase. These<br />
results indicate that doping preferentially the amorphous phase of semi-crystalline polymer semiconductors is an effective strategy to reduce polaron localization, enhance charge mobilities, and improve TE power factors.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[https://doi.org/10.1021/acsami.2c21727 Self-Powered Dynamic Glazing Based on Nematic Liquid Crystals and Organic Photovoltaic Layers for Smart Window Applications Sadiara Fall, Jing Wang, Thomas Regrettier, Nicolas Brouckaert, Olzhas A. Ibraikulov, Nicolas Leclerc, Yaochen Lin, Mohammed Ibn Elhaj, Lachezar Komitov, Patrick Lévêque, Yuhan Zhong, Martin Brinkmann, Malgosia Kaczmarek, and Thomas Heiser*]<br />
<br />
[[File:PubliMaCEPV graphical abstract.webp|center|350px]]<br />
<br />
<br />
Abstract: <br><br />
Dynamic windows allow monitoring of in-door solar radiation and thus improve user comfort and energy efficiency in buildings and vehicles. Existing technologies are, however, hampered by limitations in switching speed, energy e!ciency, user control, or production costs. Here, we introduce a new concept for self-powered switchable glazing that combines a nematic liquid crystal, as an electro-optic active layer, with an organic photovoltaic material. The latter aligns the liquid crystal molecules and generates, under illumination, an electric field that changes the molecular orientation and thereby the device transmittance in the visible and near-infrared region. Small-area devices can be switched from clear to dark in hundreds of milliseconds without an external power supply. The drop in transmittance can be adjusted using a variable resistor and is shown to be reversible and stable for more than 5 h. First<br />
solution-processed large-area (15 cm²) devices are presented, and prospects for smart window applications are discussed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV invited seminar </u> : <br><br />
Thursday 15 december 2022 at 14:00, A301 Télécom Physique Strasbourg Illkirch''</big>''<br />
|}<br />
<br />
"Electrical properties of liquid crystals: characterization, instrumentation and applications" by '''Redouane Douali''' (Professor, Université du Littoral Cote d'Opale, UDSMM Dunkerque)<br><br />
<br />
<br />
Summary <br><br />
Liquid crystals are organic materials with states of matter intermediate between liquid and solid states. They are fluid and self-organized materials that can exhibit orders of orientation and position (layered or columnar structures, depending on the shape of the molecule), which gives them the property of anisotropy and results in interesting properties for applications. The characterization of properties is a crucial step for the development and optimization of devices. The presentation will deal with tools and characterization techniques adapted to liquid crystals; the focus will be on electrical properties and applications in the field of electronics.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Tuesday, December 13, 2022 at 10 a.m. Amphitheater Marguerite Perrey (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Synthesis and characterizations of Silicon Clathrates films for photovoltaic applications" <br><br />
by '''Romain Vollondat''' <br />
<br />
<br />
Summary:<br />
<br />
This PhD thesis focuses on the production of Silicon Clathrate films and the investigation of their optoelectronic and structural properties. Silicon Clathrates are inclusion compounds formed by a lattice of silicon cages occupied by sodium. Free of sodium, these Silicon Clathrates are exotic direct-band allotropes of silicon alluring for solar technologies. The synthesis process by thermal decomposition is studied in order to obtain the best possible quality films. The reversible control of the sodium occupation of the type-II films allows the transition of the film from a metallic to a semiconductor behaviour. The surface doping of these films with arsenic allows a promising improvement of the photovoltaic response of the material.<br />
<br />
<br />
<br />
Jury members:<br><br />
• Mme. Anne Kaminski-Cachopo - - Reviewer (Professor, IMEP-LAHC, CNRS-Grenoble INP)<br><br />
• M. Pere Roca i Cabarrocas - - Reviewer (Research Director, LPICM, Institut Polytechnique of Paris)<br><br />
• Mme. Sylvie Bégin - - Examiner (Professor, IPCMS, CNRS-Strasbourg University)<br><br />
• M. Jef Poortmans - - Examiner (Research Director, IMEC, Leuven, Belgium)<br><br />
• M. Thomas Fix - - Thesis supervisor (Research Fellow, ICube, CNRS-Strasbourg Unversity)<br><br />
• M. Abdelilah Slaoui - - Thesis co-supervisor (Research Director, ICube, CNRS-Strasbourg University)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Monday, December 12, 2022 at 10:30 a.m. Marguerite Perey Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth and characterization of Cuprous Oxide Absorbers for Photovoltaics" <br><br />
by '''Chithira VENUGOPALAN KARTHA''' <br />
<br />
<br />
Summary:<br />
<br />
Cuprous Oxide (Cu2O) is a promising candidate as an absorber in photovoltaics. In this work, initially we have optimized the deposition conditions for pure Cu2O film without any parasitic CuO phase via Pulsed Laser Deposition (PLD) and RF Magnetron Sputtering. Optimization of the thermal oxidation of copper sheets to obtain Cu2O was also carried out. We have shown that the stoichiometry of the film can be controlled by varying the deposition conditions. The absorber properties of the films wereinvestigated in detail with several structural, optical, and electrical characterization techniques. To study the influence of the Cu2O growth technique on the absorber properties, optimised PLD and sputtered Cu2O films were compared to thermally oxidised Cu2O sheets. The photovoltaic response of the same absorber prepared via different techniques was also investigated by constructing solar cells with suitable heterojunctions. An open-circuit voltage of 0.56 V was measured from epitaxially grown PLD Cu2O with Nb:SrTiO3 heterojunction. The highest current was obtained for solar cell with thermally oxidised sheet with a short-circuit current density of 1.90 mA/cm2. The sputtered Cu2O solar cell also showed promising photovoltaic response. Finally, the variation in the absorber efficiency of Cu2O was analysed using advanced characterization techniques such as Transient Absorption and Time-Correlated Single Photon Counting. The presence of defects or traps were found to influence the carrier lifetime in the PLD and sputtered Cu2O films, highly affecting the charge carrier separation efficiency when employed in a photovoltaic cell. <br />
<br />
<br />
Jury members:<br><br />
M. BARREAU Nicolas -- Reviewer - Associate professor HDR,IMN, Université de Strasbourg<br><br />
M.EL MARSSI Mimoun-- Reviewer - Professor, LPMC Université de Picardie Jules Verne, Amiens<br><br />
Mme.VIART Nathalie -- Examinator - Professor, IPCMS, CNRS- Université de Strasbourg<br><br />
M.DESCHANVRES Jean-Luc -- Examinator- Research Fellow, LMGP, CNRS- Université Grenoble Alpes<br><br />
M.SLAOUI Abdelilah -- Supervisor - Supervisor, ICube, CNRS- Université de Strasbourg<br><br />
M.FIX Thomas -- Co-supervisor - Research Fellow, ICube, CNRS- Université de Strasbourg<br><br />
M. FERBLANTIER Gérald -- Invitee - Associate professor, ICube, CNRS- Université de Strasbourg<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
<br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
[[File:Schéma lien photovoltaïque - thermoélectricité.png|center|150px]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
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*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
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"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
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Jury: <br><br />
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Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
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*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
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The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
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*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
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"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
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"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
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Jury composition: <br><br />
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Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
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*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
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*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
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"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
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*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
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Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
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" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
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" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
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*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
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" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
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Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
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[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
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" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
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" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
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" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
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"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
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"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
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Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
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"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
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Composition of the jury: <br><br />
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Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
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" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
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" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
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- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
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- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
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"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
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"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
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ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
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" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
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Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
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"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
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This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
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"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
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ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
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"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
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ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
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'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
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La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
|}<br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
|}<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
|}<br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
|}<br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
|}<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
|}<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
|}<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
|}<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
|}<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
|}<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
|}<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
|}<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
|}<br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
|}<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
|}<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
|}<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
|}<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
<br />
|}<br />
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|<br />
<br />
'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
|}<br />
<br />
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|<br />
'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
|}<br />
<br />
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|<br />
'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=1020
News
2023-06-20T12:41:32Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: Contrat doctoral 2023 FIX EN.pdf| Link to the detailed thesis subject in English]]<br />
<br />
Contact : T. Fix at tfix AT unistra.fr <br><br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminar </u> : <br><br />
Wednesday 17th of May 2023 at 9:00 AM, room 20 of building 40 (campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
" Tunable plasmonic Rectennas to produce electricity by exploiting the wave nature of light " by ''' Anil Bharwal'''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Mini-symposium QMat </u> : <br><br />
Wednesday 29th of March 2023 at 10:00 AM, Auditorium of IPCM (campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
" Quantum photonics and optomechanics in nanostructures " <br><br />
<br />
[https://seafile.unistra.fr/f/a016eb43d87c4eeaad0a/ Program and abstracts]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Organic Electronics Days </u> : <br><br />
The mornings of Thursday 30 and Friday 31 March 2023, by videoconference''</big>''<br />
|}<br />
<br />
"Organic Electronics: “From component to applications” " by '''the EEA club''' <br><br />
<br />
[[Media: Flyer-Journees-EO-Club-EEA-Final-2.pdf| Program and registrations]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> 1/2 day of seminars on the IMEE and CS axes of ICube </u>: <br><br />
Monday, March 27, 2023 from 9:30 a.m., Location to be confirmed''</big>''<br />
|}<br />
<br />
"Modeling approaches for the IMEE axis" by '''Y. Hoarau, S. Leclerc and J.-M. Dischler''' (ICube) <br><br />
<br />
[[Media: Séminaire Approches de Modélisation.pdf| Program and summaries of presentations]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> ITI HiFunMat seminar</u> : <br><br />
Wednesday 15 of march 2023 at 10:00 am, ICS amphitheater Henri Benoit (Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"New advances in tetrazines and heptazines chemistry. Fluorescence, photocatalysis, and applications to organic photovoltaic" by '''Pierre Audebert''' <br><br />
<br />
Abstract : <br><br />
s-Tetrazines, and the far more enigmatic heptazines, which count much less described examples, are among the most electron deficient high-nitrogen content, stable aromatic heterocycles (Fig. 1). This peculiarity confers them very original physico-chemical characteristics, including delayed fluorescence, a high electrochemical reduction potential, and a strong potential in organic photocatalysis. In<br />
addition, heptazines can trigger enhanced electron transport in OPV devices. However, their synthetic approach, for heptazines, is still in its infancy. We will present and comment on new strategic synthetic procedures involving these two families, insisting more on heptazines recent results, and new properties.<br />
This lecture will therefore recall new synthetic advances in both fields of tetrazines, and heptazines. Noticeably, a new synthetic procedure of heptazines using mechanochemistry, elaborated in the PPSM laboratory, will be presented. As well, we will describe new very low-viscosity tetrazine-based fluorescent liquids. The original delayed fluorescence of original heptazines, which are the first species to present sometimes a singlet-triplet inversion, will be detailed, along with first results in<br />
photocatalysis.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Launch of the STELORG consortium website </u>: <br><br />
|}<br />
<br />
The website of the "Strasbourg electronic organic " consortium, of which the MaCEPV team is a member, has been put online and is accessible at the following address: http://stelorg.unistra.fr/ <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MyCEPV Seminar </u>: <br><br />
Friday March 10, 2023 at 10 a.m., room 25 of building 40 (Cronenbourg Campus)''</big>''<br />
|}<br />
<br />
"Planar thermoelectric micro-generators for thermal energy harvesting" by '''Ibrahim Bel Hadj''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[http://DOI:%2010.1002/adfm.202202075 Preferential Location of Dopants in the Amorphous Phase of Oriented Regioregular Poly(3-hexylthiophene-2,5-diyl) Films Helps Reach Charge Conductivities of 3000 S cm−1, Yuhan Zhong, Viktoriia Untilova, Dominique Muller, Shubhradip Guchait, Céline Kiefer, Laurent Herrmann, Nicolas Zimmermann, Marion Brosset, Thomas Heiser, and Martin Brinkmann*]<br />
<br />
Abstract: <br><br />
Doping polymer semiconductors is a central topic in plastic electronics and especially in the design of novel thermoelectric (TE) materials. In this con-tribution, it has been demonstrated that doping of oriented semicrystalline P3HT thin films with the dopant tris(4-bromophenyl)ammoniumyl hexachlo-<br />
roantimonate), known as magic blue (MB), helps reach charge conductivities of 3000 S cm−1 and TE power factors of 170 ± 30 μW mK−2 along the polymer chain direction. A combination of transmission electron microscopy, polarized optical absorption spectroscopy, Rutherford backscattering, and TE property<br />
measurements helps clarify the conditions necessary to achieve such high charge conductivities. A comparative study with different dopants demon-strates that the doping mechanism is intimately related to the semicrystalline structure of the polymer and whether crystalline, amorphous or both phases<br />
are doped. The highest charge mobilities are observed when the dopant MB is preferentially located in the amorphous phase of P3HT, leaving the structure of P3HT nanocrystals almost unaltered. In this case, the P3HT nanocrystals are doped from their interface with the surrounding amorphous phase. These<br />
results indicate that doping preferentially the amorphous phase of semi-crystalline polymer semiconductors is an effective strategy to reduce polaron localization, enhance charge mobilities, and improve TE power factors.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[https://doi.org/10.1021/acsami.2c21727 Self-Powered Dynamic Glazing Based on Nematic Liquid Crystals and Organic Photovoltaic Layers for Smart Window Applications Sadiara Fall, Jing Wang, Thomas Regrettier, Nicolas Brouckaert, Olzhas A. Ibraikulov, Nicolas Leclerc, Yaochen Lin, Mohammed Ibn Elhaj, Lachezar Komitov, Patrick Lévêque, Yuhan Zhong, Martin Brinkmann, Malgosia Kaczmarek, and Thomas Heiser*]<br />
<br />
[[File:PubliMaCEPV graphical abstract.webp|center|350px]]<br />
<br />
<br />
Abstract: <br><br />
Dynamic windows allow monitoring of in-door solar radiation and thus improve user comfort and energy efficiency in buildings and vehicles. Existing technologies are, however, hampered by limitations in switching speed, energy e!ciency, user control, or production costs. Here, we introduce a new concept for self-powered switchable glazing that combines a nematic liquid crystal, as an electro-optic active layer, with an organic photovoltaic material. The latter aligns the liquid crystal molecules and generates, under illumination, an electric field that changes the molecular orientation and thereby the device transmittance in the visible and near-infrared region. Small-area devices can be switched from clear to dark in hundreds of milliseconds without an external power supply. The drop in transmittance can be adjusted using a variable resistor and is shown to be reversible and stable for more than 5 h. First<br />
solution-processed large-area (15 cm²) devices are presented, and prospects for smart window applications are discussed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV invited seminar </u> : <br><br />
Thursday 15 december 2022 at 14:00, A301 Télécom Physique Strasbourg Illkirch''</big>''<br />
|}<br />
<br />
"Electrical properties of liquid crystals: characterization, instrumentation and applications" by '''Redouane Douali''' (Professor, Université du Littoral Cote d'Opale, UDSMM Dunkerque)<br><br />
<br />
<br />
Summary <br><br />
Liquid crystals are organic materials with states of matter intermediate between liquid and solid states. They are fluid and self-organized materials that can exhibit orders of orientation and position (layered or columnar structures, depending on the shape of the molecule), which gives them the property of anisotropy and results in interesting properties for applications. The characterization of properties is a crucial step for the development and optimization of devices. The presentation will deal with tools and characterization techniques adapted to liquid crystals; the focus will be on electrical properties and applications in the field of electronics.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Tuesday, December 13, 2022 at 10 a.m. Amphitheater Marguerite Perrey (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Synthesis and characterizations of Silicon Clathrates films for photovoltaic applications" <br><br />
by '''Romain Vollondat''' <br />
<br />
<br />
Summary:<br />
<br />
This PhD thesis focuses on the production of Silicon Clathrate films and the investigation of their optoelectronic and structural properties. Silicon Clathrates are inclusion compounds formed by a lattice of silicon cages occupied by sodium. Free of sodium, these Silicon Clathrates are exotic direct-band allotropes of silicon alluring for solar technologies. The synthesis process by thermal decomposition is studied in order to obtain the best possible quality films. The reversible control of the sodium occupation of the type-II films allows the transition of the film from a metallic to a semiconductor behaviour. The surface doping of these films with arsenic allows a promising improvement of the photovoltaic response of the material.<br />
<br />
<br />
<br />
Jury members:<br><br />
• Mme. Anne Kaminski-Cachopo - - Reviewer (Professor, IMEP-LAHC, CNRS-Grenoble INP)<br><br />
• M. Pere Roca i Cabarrocas - - Reviewer (Research Director, LPICM, Institut Polytechnique of Paris)<br><br />
• Mme. Sylvie Bégin - - Examiner (Professor, IPCMS, CNRS-Strasbourg University)<br><br />
• M. Jef Poortmans - - Examiner (Research Director, IMEC, Leuven, Belgium)<br><br />
• M. Thomas Fix - - Thesis supervisor (Research Fellow, ICube, CNRS-Strasbourg Unversity)<br><br />
• M. Abdelilah Slaoui - - Thesis co-supervisor (Research Director, ICube, CNRS-Strasbourg University)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Monday, December 12, 2022 at 10:30 a.m. Marguerite Perey Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth and characterization of Cuprous Oxide Absorbers for Photovoltaics" <br><br />
by '''Chithira VENUGOPALAN KARTHA''' <br />
<br />
<br />
Summary:<br />
<br />
Cuprous Oxide (Cu2O) is a promising candidate as an absorber in photovoltaics. In this work, initially we have optimized the deposition conditions for pure Cu2O film without any parasitic CuO phase via Pulsed Laser Deposition (PLD) and RF Magnetron Sputtering. Optimization of the thermal oxidation of copper sheets to obtain Cu2O was also carried out. We have shown that the stoichiometry of the film can be controlled by varying the deposition conditions. The absorber properties of the films wereinvestigated in detail with several structural, optical, and electrical characterization techniques. To study the influence of the Cu2O growth technique on the absorber properties, optimised PLD and sputtered Cu2O films were compared to thermally oxidised Cu2O sheets. The photovoltaic response of the same absorber prepared via different techniques was also investigated by constructing solar cells with suitable heterojunctions. An open-circuit voltage of 0.56 V was measured from epitaxially grown PLD Cu2O with Nb:SrTiO3 heterojunction. The highest current was obtained for solar cell with thermally oxidised sheet with a short-circuit current density of 1.90 mA/cm2. The sputtered Cu2O solar cell also showed promising photovoltaic response. Finally, the variation in the absorber efficiency of Cu2O was analysed using advanced characterization techniques such as Transient Absorption and Time-Correlated Single Photon Counting. The presence of defects or traps were found to influence the carrier lifetime in the PLD and sputtered Cu2O films, highly affecting the charge carrier separation efficiency when employed in a photovoltaic cell. <br />
<br />
<br />
Jury members:<br><br />
M. BARREAU Nicolas -- Reviewer - Associate professor HDR,IMN, Université de Strasbourg<br><br />
M.EL MARSSI Mimoun-- Reviewer - Professor, LPMC Université de Picardie Jules Verne, Amiens<br><br />
Mme.VIART Nathalie -- Examinator - Professor, IPCMS, CNRS- Université de Strasbourg<br><br />
M.DESCHANVRES Jean-Luc -- Examinator- Research Fellow, LMGP, CNRS- Université Grenoble Alpes<br><br />
M.SLAOUI Abdelilah -- Supervisor - Supervisor, ICube, CNRS- Université de Strasbourg<br><br />
M.FIX Thomas -- Co-supervisor - Research Fellow, ICube, CNRS- Université de Strasbourg<br><br />
M. FERBLANTIER Gérald -- Invitee - Associate professor, ICube, CNRS- Université de Strasbourg<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
<br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
[[File:Schéma lien photovoltaïque - thermoélectricité.png|center|150px]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
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*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
<br />
<br />
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*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
<br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
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|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
<br />
<br />
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*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
<br />
"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
<br />
"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
<br />
<br />
ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
<br />
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'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
|}<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
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{|class="wikitable"<br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
<br />
|}<br />
{|class="wikitable"<br />
|<br />
<br />
'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Current_and_defended_PhDs&diff=1019
Current and defended PhDs
2023-06-20T12:39:31Z
<p>Steveler : </p>
<hr />
<div>[[fr::Thèses en cours et soutenues]]<br />
<br />
{| <br />
| align="center" style="background:#f0f0f0;"|'''Starting and ending year'''<br />
| align="center" style="background:#f0f0f0;"|'''PhD candidate'''<br />
| align="center" style="background:#f0f0f0;"|'''Title of the thesis'''<br />
| align="center" style="background:#f0f0f0;"|'''Director/supervisor'''<br />
| align="center" style="background:#f0f0f0;"|'''Laboratories'''<br />
|-<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2021 - <br>In progress||Majed Almalki|| ||Y.-A. Chapuis||ICUBE<br />
|-<br />
| 2021 - <br> In progress||Cheick Diarra|| First-principles molecular dynamics modelling of excitonic transport and thermal transport in organic semiconductors for energy harvesting ||E. Martin / E. Steveler || ICUBE<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2019 - <br>2023||Yuhan Zhong|| Liquid crystal photovoltaic optical modulators - adaptive glazing applications ||T. Heiser||ICUBE<br />
|-<br />
| 2019 - <br> 2023||Yahya Zakaria||Study of Thin Layers of Tin Oxide for Applications in Photovoltaic Solar Cells||A. Slaoui||ICUBE<br />
|-style="font-style: italic; color: #4392D8;"<br />
| 2019 - In progress||Chithira Venugopalan Kartha||All oxide thin films and devices for photovoltaics||A. Slaoui, T. Fix / G. Ferblantier||ICUBE<br />
|-<br />
| 2019 - In progress||Romain Vollondat||Novel optoelectronic and photovoltaic devices based on silicon clathrates||T. Fix / A. Slaoui||ICUBE<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2018 - 2022||Jiang Jing||Exciton dynamics in ordered organic thin films for photovoltaic applications||T. Heiser / E. Steveler||ICUBE<br />
|-<br />
| 2018 - 2022||Amina Labiod||||T. Heiser / P. Lévêque||ICUBE<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2017 - 2021 ||Cynthia Cibaka Ndaya||Nano sensors for hydrogen leak detection ||A. Brioude / N. Javahiraly||LMI (Lyon) / ICUBE<br />
|-<br />
| 2017 - 2020||Jing Wang||Burn-in effect in fullerene-based organic solar cells||T. Heiser||ICUBE<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2016 - 2019||François Stock|| Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates ||F. Antoni||ICUBE<br />
|- <br />
| 2015 - 2019||Peter Wozniak||||N. Javahiraly||ICUBE<br />
|-style="font-style: italic; color: #4392D8;"<br />
| 2015 - 2019||Nacer Boubiche||||F. Le Normand||ICUBE<br />
|-<br />
| 2015 - 2018||Alessandro Quatropani|| Synthesis of oxide-based materials for photovoltaic conversion ||A. Slaoui / T. Fix||ICUBE<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2015 - 2018||Yves Salinesi|| Development of integrated cells (i-Cell) based on thin layers of crystalline silicon transferred on sintered silicon substrates ||A. Slaoui ||S'Tile / ICUBE<br />
|-<br />
| 2014 – 2018||Abdellatif CHELOUCHE|| Study of the opto-electronic properties and transport of doped semiconductor nanocrystals for their integration into components of the silicon industry ||D. Mathiot, G. Ferblantier et D. Muller||ICube<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2013 - 2016||Karima Bouras|| Conductive and rare earth doped transparent oxide films for photon conversion ||A. Slaoui / G. Ferblantier / T. Fix||ICUBE<br />
|-<br />
| 2013 - 2016||Olzhas Ibraikulov||Donor-Acceptor bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives||T. Heiser / P. Lévêque||ICUBE<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2013 - 2017||Thomas Regrettier||Optically addressed organic light modulators using a donor/acceptor bulk heterojunction as photosensitive layer||T. Heiser||ICUBE<br />
|-<br />
| 2014 - 2017||Tianyan Han||Solution-processed bulk heterojunction devices based on bodipy and triazatruxene derivatives||T. Heiser / P. Lévêque||ICUBE<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2012 - 2016||Marie DEVITA|| Measurement and management of noble metal contaminants in the advanced microelectronics industry ||D. Mathiot, N. Drogue et H. Fontaine||ICube CIFRE STMicroelectronics, collaboration CEA-LETI<br />
|-<br />
| 2014 - 2017||Thomas GRENOUILLOUX|| Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection ||D. Mathiot, N. Péré-Laperne et A. Ferron||ICube CIFRE Sofradir, collaboration CEA-LETI<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2014 - 2017||Florian LE GOFF|| Realization of SWIR photodiodes in InGaAs and InP of "loophole" technology by MOVPD diffusion ||D. Mathiot et J.L. Reverchon||ICube CIFRE Thales 3-5 Lab.<br />
|-<br />
| 2011 - 2015||Rim KHELIFI|| Ion beam synthesis of functional semiconductor nanocrystals in silicon technology ||D. Mathiot et D. Muller||InESS (ICube)<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2011 - 2014||Julien LAURENT|| Improvement of material yield during the crystallization of multi-crystalline photovoltaic silicon ingots ||D. Mathiot et A. Jouini||InESS (ICube) CEA-LITEN<br />
|-<br />
| 2011 - 2014||Larissa DJOMENI|| Study of the integration of through vias realized by MOCVD for the 3D stacking of microelectronic components ||D.Mathiot, T. Mourier et S. Minoret||InESS (ICube) CEA-LETI<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2010 - 2014||Peter Lienerth ||Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications ||T. Heiser / P. Lévêque||ICUBE<br />
|-<br />
| 2009 - 2013||Sadiara Fall|| Study of charge transport in semiconductor polymers for photovoltaic applications ||T. Heiser / P. Lévêque||InESS<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2010 - 2013|| Fabien Erhardt|| Synthesis of silicon nanocrystals in oxynitride matrices and application to photovoltaics ||A. Slaoui / G. Ferblantier||ICUBE<br />
|-<br />
| 2009 - 2012|| B. Paviet-Salomon|| Laser Assisted Selective Emitters, Application to Silicon Photovoltaic ||A. Slaoui||CEA/InESS<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2009 - 2012|| S. Parola|| Development and characterization of silicon and germanium naoncrystals physico-chemically for photovoltaic ||A. Slaoui ||CEA/InESS<br />
|-<br />
| 2007 - 2010|| Djamel Madi|| Passivation of crystalline silicon in a thin layer by hydrogenation and oxidation ||||Université de Tlemcen/InESS<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2008 - 2012||Yana GURIMSKAYA|| Behavior of some metallic impurities in germanium: A study by DLTS-MCTS-Laplace DLTS capacitive techniques ||A. Mesli et D. Mathiot||InESS<br />
|-<br />
| 2007 - 2012||Zabardjad Said,|| Elaboration and characterization of crystalline silicon in thin layer by laser irradiation and halogen lamps ||A. Slaoui / E. Fogarassy||InESS<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2008 - 2011||Véronique Gernigon || Use of block copolymers in organic solar cells: morphology, charge transport and photovoltaic conversion ||T. Heiser /G. Hadziioannou / N. Leclerc / P. Lévêque||InESS/LIPHT<br />
|-<br />
| 2007 - 2011||Martin ZLATANSKI|| Design of an ultra-fast multi-line CMOS opto-sampler integrating a high-resolution delay generator (DLL)||D. Mathiot et W. Uhring||InESS<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2007 - 2010||F. Delachat|| Silicon nanoparticles for the 3rd generation of solar cells ||A. Slaoui / G. Ferblantier||InESS<br />
|-<br />
| 2007 - 2010||Laure Biniek|| Semiconductor polymers with low bandgap: from synthesis to organic photovoltaic device||T. Heiser / G. Hadziioannou / N. Leclerc / P. Lévêque||InESS/LIPHT<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2006 - 2010||Alexis COLIN|| Study of radiative and thermal couplings and physicochemical modifications generated by millisecond laser annealing on the polysilicon grid of 45 nm CMOS technology ||D. Mathiot et E. Fogarassy||"InESS CIFRE STMicroelectronics"<br />
|- <br />
| 2006 - 2009||O. Tuzun|| N-type polycrystalline silicon by metal-induced crystallization and electric field ||A. Slaoui||InESS<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2005 - 2009||Rony Bechara|| Elaboration and characterization of photovoltaic cells based on semiconducting polymers ||T. Heiser / G. Hadziioannou||InESS/LIPHT<br />
|-<br />
| 2006 - 2009||Thomas CANNEAUX|| Study of the diffusion of the usual dopants in germanium ||JP. Ponpon et D. Mathiot||InESS<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2007 - 2008 || H. Charifi|| Structural, electrical, and passivation properties of silicon nitride: Application to silicon photovltaic cells ||A. Slaoui / J.C. Muller||InESS<br />
|-<br />
| 2005 - 2008||Fanny Richard|| esign, synthesis and characterization of "stick-pelota" block copolymers for photovoltaic applications: From macromolecule to device ||G. Hadziioannou / T. Heiser||InESS/LIPHT<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2004 - 2008||Nathalie CAGNAT|| Ion implantation and ultra-thin junctions: Characterization, fault engineering and application to 65 and 45 nm technologies ||D. Mathiot||"InESS CIFRE STMicroelectronics"<br />
|-<br />
| 2002 - 2007||Frédéric MOREL|| Design, realization and characterization of an imager in standard CMOS technology for the repetitive observation of brief light phenomena of low power ||D. Mathiot et W. Uhring||PHASE (InESS)<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2003 - 2006 || S. Duguay|| Storage of charges in nano-crystals of silicon or germanium in silica matrices ||A. Slaoui / JJ/ Grob||InESS<br />
|-<br />
| 2002 - 2005 ||E. Pihan|| Study of aluminum-induced crystallization mechanisms of amorphous silicon: thin film solar cells ||A. Slaoui||PHASE<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2002 - 2005 || A. Zerga,|| Characterization, Modeling and Simulation of Polycrystalline Silicon Based Photovoltaic Cells in Thin Film Deposited by RT-CVD Process ||A. Slaoui / A. mahfoud|| Thèse Université de Tlemcen/PHASE <br />
|-<br />
| 2000 - 2003||Assia Belayachi|| Contribution to the study of copper in silicon and an associated characterization technique ||T. HEISER||PHASE<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 1999 - 2003||Christian DUTTO|| Formation and characterization of P / N junctions in SiC by ion implantation and laser annealing ||D. Mathiot et E. Fogarassy||"PHASE CIFRE STMicroelectronics"<br />
|-<br />
| 1999 - 2003||Frédéric BOUCARD|| Modeling dopant diffusion in silicon for the realization of thin junctions ||D. Mathiot et P. Rivallain||"PHASE CIFRE Silvaco, collaboration CEA-LETI"<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 2000 - 2003||Frédéric CAYREL|| Cavity formation mechanism by helium implantation. Roles of dopants and residual impurities ||D. Mathiot et R. Jérisian||"PHASE LMP Tours"<br />
|-<br />
| 2001 - 2003||Fabien PREGALDINY|| Study and modeling of the dynamic behavior of highly sub-micron MOS transistors ||D. Mathiot et C. Lallement||PHASE<br />
|- style="font-style: italic; color: #4392D8;"<br />
| 1997 - 2000||S. Bourdais|| Study of the deposition and physical properties of polycrystalline silicon obtained by the RTCVD process on mullite substrates: Application to photovoltaic cells in thin layers ||A. Slaoui||PHASE<br />
|-<br />
| 1997 - 2000||Christophe ORTIZ|| Contribution to the study of diffusion phenomena of aluminum in silicon. Application to the realization of deep junctions ||D. Mathiot et R. Jérisian||"PHASE LMP Tours"<br />
|-<br />
| <br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=1016
News
2023-05-09T08:47:44Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
<br />
{|border="0"<br />
[[File:bandeau_news.png|x150px|link=https://macepv.icube.unistra.fr/en/index.php/News |News]]<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: Contrat doctoral 2023 FIX EN.pdf| Link to the detailed thesis subject in English]]<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar </u> : <br><br />
Wednesday 17th of May 2023 at 9:00 AM, room 20 of building 40 (campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
" Tunable plasmonic Rectennas to produce electricity by exploiting the wave nature of light " by ''' Anil Bharwal'''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Mini-symposium QMat </u> : <br><br />
Wednesday 29th of March 2023 at 10:00 AM, Auditorium of IPCM (campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
" Quantum photonics and optomechanics in nanostructures " <br><br />
<br />
[https://seafile.unistra.fr/f/a016eb43d87c4eeaad0a/ Program and abstracts]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Organic Electronics Days </u> : <br><br />
The mornings of Thursday 30 and Friday 31 March 2023, by videoconference''</big>''<br />
|}<br />
<br />
"Organic Electronics: “From component to applications” " by '''the EEA club''' <br><br />
<br />
[[Media: Flyer-Journees-EO-Club-EEA-Final-2.pdf| Program and registrations]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> 1/2 day of seminars on the IMEE and CS axes of ICube </u>: <br><br />
Monday, March 27, 2023 from 9:30 a.m., Location to be confirmed''</big>''<br />
|}<br />
<br />
"Modeling approaches for the IMEE axis" by '''Y. Hoarau, S. Leclerc and J.-M. Dischler''' (ICube) <br><br />
<br />
[[Media: Séminaire Approches de Modélisation.pdf| Program and summaries of presentations]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> ITI HiFunMat seminar</u> : <br><br />
Wednesday 15 of march 2023 at 10:00 am, ICS amphitheater Henri Benoit (Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"New advances in tetrazines and heptazines chemistry. Fluorescence, photocatalysis, and applications to organic photovoltaic" by '''Pierre Audebert''' <br><br />
<br />
Abstract : <br><br />
s-Tetrazines, and the far more enigmatic heptazines, which count much less described examples, are among the most electron deficient high-nitrogen content, stable aromatic heterocycles (Fig. 1). This peculiarity confers them very original physico-chemical characteristics, including delayed fluorescence, a high electrochemical reduction potential, and a strong potential in organic photocatalysis. In<br />
addition, heptazines can trigger enhanced electron transport in OPV devices. However, their synthetic approach, for heptazines, is still in its infancy. We will present and comment on new strategic synthetic procedures involving these two families, insisting more on heptazines recent results, and new properties.<br />
This lecture will therefore recall new synthetic advances in both fields of tetrazines, and heptazines. Noticeably, a new synthetic procedure of heptazines using mechanochemistry, elaborated in the PPSM laboratory, will be presented. As well, we will describe new very low-viscosity tetrazine-based fluorescent liquids. The original delayed fluorescence of original heptazines, which are the first species to present sometimes a singlet-triplet inversion, will be detailed, along with first results in<br />
photocatalysis.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Launch of the STELORG consortium website </u>: <br><br />
|}<br />
<br />
The website of the "Strasbourg electronic organic " consortium, of which the MaCEPV team is a member, has been put online and is accessible at the following address: http://stelorg.unistra.fr/ <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MyCEPV Seminar </u>: <br><br />
Friday March 10, 2023 at 10 a.m., room 25 of building 40 (Cronenbourg Campus)''</big>''<br />
|}<br />
<br />
"Planar thermoelectric micro-generators for thermal energy harvesting" by '''Ibrahim Bel Hadj''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[http://DOI:%2010.1002/adfm.202202075 Preferential Location of Dopants in the Amorphous Phase of Oriented Regioregular Poly(3-hexylthiophene-2,5-diyl) Films Helps Reach Charge Conductivities of 3000 S cm−1, Yuhan Zhong, Viktoriia Untilova, Dominique Muller, Shubhradip Guchait, Céline Kiefer, Laurent Herrmann, Nicolas Zimmermann, Marion Brosset, Thomas Heiser, and Martin Brinkmann*]<br />
<br />
Abstract: <br><br />
Doping polymer semiconductors is a central topic in plastic electronics and especially in the design of novel thermoelectric (TE) materials. In this con-tribution, it has been demonstrated that doping of oriented semicrystalline P3HT thin films with the dopant tris(4-bromophenyl)ammoniumyl hexachlo-<br />
roantimonate), known as magic blue (MB), helps reach charge conductivities of 3000 S cm−1 and TE power factors of 170 ± 30 μW mK−2 along the polymer chain direction. A combination of transmission electron microscopy, polarized optical absorption spectroscopy, Rutherford backscattering, and TE property<br />
measurements helps clarify the conditions necessary to achieve such high charge conductivities. A comparative study with different dopants demon-strates that the doping mechanism is intimately related to the semicrystalline structure of the polymer and whether crystalline, amorphous or both phases<br />
are doped. The highest charge mobilities are observed when the dopant MB is preferentially located in the amorphous phase of P3HT, leaving the structure of P3HT nanocrystals almost unaltered. In this case, the P3HT nanocrystals are doped from their interface with the surrounding amorphous phase. These<br />
results indicate that doping preferentially the amorphous phase of semi-crystalline polymer semiconductors is an effective strategy to reduce polaron localization, enhance charge mobilities, and improve TE power factors.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[https://doi.org/10.1021/acsami.2c21727 Self-Powered Dynamic Glazing Based on Nematic Liquid Crystals and Organic Photovoltaic Layers for Smart Window Applications Sadiara Fall, Jing Wang, Thomas Regrettier, Nicolas Brouckaert, Olzhas A. Ibraikulov, Nicolas Leclerc, Yaochen Lin, Mohammed Ibn Elhaj, Lachezar Komitov, Patrick Lévêque, Yuhan Zhong, Martin Brinkmann, Malgosia Kaczmarek, and Thomas Heiser*]<br />
<br />
[[File:PubliMaCEPV graphical abstract.webp|center|350px]]<br />
<br />
<br />
Abstract: <br><br />
Dynamic windows allow monitoring of in-door solar radiation and thus improve user comfort and energy efficiency in buildings and vehicles. Existing technologies are, however, hampered by limitations in switching speed, energy e!ciency, user control, or production costs. Here, we introduce a new concept for self-powered switchable glazing that combines a nematic liquid crystal, as an electro-optic active layer, with an organic photovoltaic material. The latter aligns the liquid crystal molecules and generates, under illumination, an electric field that changes the molecular orientation and thereby the device transmittance in the visible and near-infrared region. Small-area devices can be switched from clear to dark in hundreds of milliseconds without an external power supply. The drop in transmittance can be adjusted using a variable resistor and is shown to be reversible and stable for more than 5 h. First<br />
solution-processed large-area (15 cm²) devices are presented, and prospects for smart window applications are discussed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV invited seminar </u> : <br><br />
Thursday 15 december 2022 at 14:00, A301 Télécom Physique Strasbourg Illkirch''</big>''<br />
|}<br />
<br />
"Electrical properties of liquid crystals: characterization, instrumentation and applications" by '''Redouane Douali''' (Professor, Université du Littoral Cote d'Opale, UDSMM Dunkerque)<br><br />
<br />
<br />
Summary <br><br />
Liquid crystals are organic materials with states of matter intermediate between liquid and solid states. They are fluid and self-organized materials that can exhibit orders of orientation and position (layered or columnar structures, depending on the shape of the molecule), which gives them the property of anisotropy and results in interesting properties for applications. The characterization of properties is a crucial step for the development and optimization of devices. The presentation will deal with tools and characterization techniques adapted to liquid crystals; the focus will be on electrical properties and applications in the field of electronics.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Tuesday, December 13, 2022 at 10 a.m. Amphitheater Marguerite Perrey (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Synthesis and characterizations of Silicon Clathrates films for photovoltaic applications" <br><br />
by '''Romain Vollondat''' <br />
<br />
<br />
Summary:<br />
<br />
This PhD thesis focuses on the production of Silicon Clathrate films and the investigation of their optoelectronic and structural properties. Silicon Clathrates are inclusion compounds formed by a lattice of silicon cages occupied by sodium. Free of sodium, these Silicon Clathrates are exotic direct-band allotropes of silicon alluring for solar technologies. The synthesis process by thermal decomposition is studied in order to obtain the best possible quality films. The reversible control of the sodium occupation of the type-II films allows the transition of the film from a metallic to a semiconductor behaviour. The surface doping of these films with arsenic allows a promising improvement of the photovoltaic response of the material.<br />
<br />
<br />
<br />
Jury members:<br><br />
• Mme. Anne Kaminski-Cachopo - - Reviewer (Professor, IMEP-LAHC, CNRS-Grenoble INP)<br><br />
• M. Pere Roca i Cabarrocas - - Reviewer (Research Director, LPICM, Institut Polytechnique of Paris)<br><br />
• Mme. Sylvie Bégin - - Examiner (Professor, IPCMS, CNRS-Strasbourg University)<br><br />
• M. Jef Poortmans - - Examiner (Research Director, IMEC, Leuven, Belgium)<br><br />
• M. Thomas Fix - - Thesis supervisor (Research Fellow, ICube, CNRS-Strasbourg Unversity)<br><br />
• M. Abdelilah Slaoui - - Thesis co-supervisor (Research Director, ICube, CNRS-Strasbourg University)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Monday, December 12, 2022 at 10:30 a.m. Marguerite Perey Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth and characterization of Cuprous Oxide Absorbers for Photovoltaics" <br><br />
by '''Chithira VENUGOPALAN KARTHA''' <br />
<br />
<br />
Summary:<br />
<br />
Cuprous Oxide (Cu2O) is a promising candidate as an absorber in photovoltaics. In this work, initially we have optimized the deposition conditions for pure Cu2O film without any parasitic CuO phase via Pulsed Laser Deposition (PLD) and RF Magnetron Sputtering. Optimization of the thermal oxidation of copper sheets to obtain Cu2O was also carried out. We have shown that the stoichiometry of the film can be controlled by varying the deposition conditions. The absorber properties of the films wereinvestigated in detail with several structural, optical, and electrical characterization techniques. To study the influence of the Cu2O growth technique on the absorber properties, optimised PLD and sputtered Cu2O films were compared to thermally oxidised Cu2O sheets. The photovoltaic response of the same absorber prepared via different techniques was also investigated by constructing solar cells with suitable heterojunctions. An open-circuit voltage of 0.56 V was measured from epitaxially grown PLD Cu2O with Nb:SrTiO3 heterojunction. The highest current was obtained for solar cell with thermally oxidised sheet with a short-circuit current density of 1.90 mA/cm2. The sputtered Cu2O solar cell also showed promising photovoltaic response. Finally, the variation in the absorber efficiency of Cu2O was analysed using advanced characterization techniques such as Transient Absorption and Time-Correlated Single Photon Counting. The presence of defects or traps were found to influence the carrier lifetime in the PLD and sputtered Cu2O films, highly affecting the charge carrier separation efficiency when employed in a photovoltaic cell. <br />
<br />
<br />
Jury members:<br><br />
M. BARREAU Nicolas -- Reviewer - Associate professor HDR,IMN, Université de Strasbourg<br><br />
M.EL MARSSI Mimoun-- Reviewer - Professor, LPMC Université de Picardie Jules Verne, Amiens<br><br />
Mme.VIART Nathalie -- Examinator - Professor, IPCMS, CNRS- Université de Strasbourg<br><br />
M.DESCHANVRES Jean-Luc -- Examinator- Research Fellow, LMGP, CNRS- Université Grenoble Alpes<br><br />
M.SLAOUI Abdelilah -- Supervisor - Supervisor, ICube, CNRS- Université de Strasbourg<br><br />
M.FIX Thomas -- Co-supervisor - Research Fellow, ICube, CNRS- Université de Strasbourg<br><br />
M. FERBLANTIER Gérald -- Invitee - Associate professor, ICube, CNRS- Université de Strasbourg<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
<br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
[[File:Schéma lien photovoltaïque - thermoélectricité.png|center|150px]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
|-<br />
|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
<br />
"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
<br />
"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
<br />
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*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
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| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
<br />
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| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
<br />
<br />
ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
<br />
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'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
<br />
|}<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
<br />
|}<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
|}<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
|}<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
|}<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
|}<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
|}<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
|}<br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
|}<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
|}<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
|}<br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
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'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
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'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
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'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
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'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=1001
News
2023-04-20T10:39:36Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
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*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: Contrat doctoral 2023 FIX EN.pdf| Link to the detailed thesis subject in English]]<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
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*''<big>''<u> Mini-symposium QMat </u> : <br><br />
Wednesday 29th of March 2023 at 10:00 AM, Auditorium of IPCM (campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
" Quantum photonics and optomechanics in nanostructures " <br><br />
<br />
[https://seafile.unistra.fr/f/a016eb43d87c4eeaad0a/ Program and abstracts]<br />
<br />
<br />
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*''<big>''<u> Organic Electronics Days </u> : <br><br />
The mornings of Thursday 30 and Friday 31 March 2023, by videoconference''</big>''<br />
|}<br />
<br />
"Organic Electronics: “From component to applications” " by '''the EEA club''' <br><br />
<br />
[[Media: Flyer-Journees-EO-Club-EEA-Final-2.pdf| Program and registrations]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> 1/2 day of seminars on the IMEE and CS axes of ICube </u>: <br><br />
Monday, March 27, 2023 from 9:30 a.m., Location to be confirmed''</big>''<br />
|}<br />
<br />
"Modeling approaches for the IMEE axis" by '''Y. Hoarau, S. Leclerc and J.-M. Dischler''' (ICube) <br><br />
<br />
[[Media: Séminaire Approches de Modélisation.pdf| Program and summaries of presentations]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> ITI HiFunMat seminar</u> : <br><br />
Wednesday 15 of march 2023 at 10:00 am, ICS amphitheater Henri Benoit (Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"New advances in tetrazines and heptazines chemistry. Fluorescence, photocatalysis, and applications to organic photovoltaic" by '''Pierre Audebert''' <br><br />
<br />
Abstract : <br><br />
s-Tetrazines, and the far more enigmatic heptazines, which count much less described examples, are among the most electron deficient high-nitrogen content, stable aromatic heterocycles (Fig. 1). This peculiarity confers them very original physico-chemical characteristics, including delayed fluorescence, a high electrochemical reduction potential, and a strong potential in organic photocatalysis. In<br />
addition, heptazines can trigger enhanced electron transport in OPV devices. However, their synthetic approach, for heptazines, is still in its infancy. We will present and comment on new strategic synthetic procedures involving these two families, insisting more on heptazines recent results, and new properties.<br />
This lecture will therefore recall new synthetic advances in both fields of tetrazines, and heptazines. Noticeably, a new synthetic procedure of heptazines using mechanochemistry, elaborated in the PPSM laboratory, will be presented. As well, we will describe new very low-viscosity tetrazine-based fluorescent liquids. The original delayed fluorescence of original heptazines, which are the first species to present sometimes a singlet-triplet inversion, will be detailed, along with first results in<br />
photocatalysis.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Launch of the STELORG consortium website </u>: <br><br />
|}<br />
<br />
The website of the "Strasbourg electronic organic " consortium, of which the MaCEPV team is a member, has been put online and is accessible at the following address: http://stelorg.unistra.fr/ <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MyCEPV Seminar </u>: <br><br />
Friday March 10, 2023 at 10 a.m., room 25 of building 40 (Cronenbourg Campus)''</big>''<br />
|}<br />
<br />
"Planar thermoelectric micro-generators for thermal energy harvesting" by '''Ibrahim Bel Hadj''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[http://DOI:%2010.1002/adfm.202202075 Preferential Location of Dopants in the Amorphous Phase of Oriented Regioregular Poly(3-hexylthiophene-2,5-diyl) Films Helps Reach Charge Conductivities of 3000 S cm−1, Yuhan Zhong, Viktoriia Untilova, Dominique Muller, Shubhradip Guchait, Céline Kiefer, Laurent Herrmann, Nicolas Zimmermann, Marion Brosset, Thomas Heiser, and Martin Brinkmann*]<br />
<br />
Abstract: <br><br />
Doping polymer semiconductors is a central topic in plastic electronics and especially in the design of novel thermoelectric (TE) materials. In this con-tribution, it has been demonstrated that doping of oriented semicrystalline P3HT thin films with the dopant tris(4-bromophenyl)ammoniumyl hexachlo-<br />
roantimonate), known as magic blue (MB), helps reach charge conductivities of 3000 S cm−1 and TE power factors of 170 ± 30 μW mK−2 along the polymer chain direction. A combination of transmission electron microscopy, polarized optical absorption spectroscopy, Rutherford backscattering, and TE property<br />
measurements helps clarify the conditions necessary to achieve such high charge conductivities. A comparative study with different dopants demon-strates that the doping mechanism is intimately related to the semicrystalline structure of the polymer and whether crystalline, amorphous or both phases<br />
are doped. The highest charge mobilities are observed when the dopant MB is preferentially located in the amorphous phase of P3HT, leaving the structure of P3HT nanocrystals almost unaltered. In this case, the P3HT nanocrystals are doped from their interface with the surrounding amorphous phase. These<br />
results indicate that doping preferentially the amorphous phase of semi-crystalline polymer semiconductors is an effective strategy to reduce polaron localization, enhance charge mobilities, and improve TE power factors.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[https://doi.org/10.1021/acsami.2c21727 Self-Powered Dynamic Glazing Based on Nematic Liquid Crystals and Organic Photovoltaic Layers for Smart Window Applications Sadiara Fall, Jing Wang, Thomas Regrettier, Nicolas Brouckaert, Olzhas A. Ibraikulov, Nicolas Leclerc, Yaochen Lin, Mohammed Ibn Elhaj, Lachezar Komitov, Patrick Lévêque, Yuhan Zhong, Martin Brinkmann, Malgosia Kaczmarek, and Thomas Heiser*]<br />
<br />
[[File:PubliMaCEPV graphical abstract.webp|center|350px]]<br />
<br />
<br />
Abstract: <br><br />
Dynamic windows allow monitoring of in-door solar radiation and thus improve user comfort and energy efficiency in buildings and vehicles. Existing technologies are, however, hampered by limitations in switching speed, energy e!ciency, user control, or production costs. Here, we introduce a new concept for self-powered switchable glazing that combines a nematic liquid crystal, as an electro-optic active layer, with an organic photovoltaic material. The latter aligns the liquid crystal molecules and generates, under illumination, an electric field that changes the molecular orientation and thereby the device transmittance in the visible and near-infrared region. Small-area devices can be switched from clear to dark in hundreds of milliseconds without an external power supply. The drop in transmittance can be adjusted using a variable resistor and is shown to be reversible and stable for more than 5 h. First<br />
solution-processed large-area (15 cm²) devices are presented, and prospects for smart window applications are discussed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u>MaCEPV invited seminar </u> : <br><br />
Thursday 15 december 2022 at 14:00, A301 Télécom Physique Strasbourg Illkirch''</big>''<br />
|}<br />
<br />
"Electrical properties of liquid crystals: characterization, instrumentation and applications" by '''Redouane Douali''' (Professor, Université du Littoral Cote d'Opale, UDSMM Dunkerque)<br><br />
<br />
<br />
Summary <br><br />
Liquid crystals are organic materials with states of matter intermediate between liquid and solid states. They are fluid and self-organized materials that can exhibit orders of orientation and position (layered or columnar structures, depending on the shape of the molecule), which gives them the property of anisotropy and results in interesting properties for applications. The characterization of properties is a crucial step for the development and optimization of devices. The presentation will deal with tools and characterization techniques adapted to liquid crystals; the focus will be on electrical properties and applications in the field of electronics.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Tuesday, December 13, 2022 at 10 a.m. Amphitheater Marguerite Perrey (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Synthesis and characterizations of Silicon Clathrates films for photovoltaic applications" <br><br />
by '''Romain Vollondat''' <br />
<br />
<br />
Summary:<br />
<br />
This PhD thesis focuses on the production of Silicon Clathrate films and the investigation of their optoelectronic and structural properties. Silicon Clathrates are inclusion compounds formed by a lattice of silicon cages occupied by sodium. Free of sodium, these Silicon Clathrates are exotic direct-band allotropes of silicon alluring for solar technologies. The synthesis process by thermal decomposition is studied in order to obtain the best possible quality films. The reversible control of the sodium occupation of the type-II films allows the transition of the film from a metallic to a semiconductor behaviour. The surface doping of these films with arsenic allows a promising improvement of the photovoltaic response of the material.<br />
<br />
<br />
<br />
Jury members:<br><br />
• Mme. Anne Kaminski-Cachopo - - Reviewer (Professor, IMEP-LAHC, CNRS-Grenoble INP)<br><br />
• M. Pere Roca i Cabarrocas - - Reviewer (Research Director, LPICM, Institut Polytechnique of Paris)<br><br />
• Mme. Sylvie Bégin - - Examiner (Professor, IPCMS, CNRS-Strasbourg University)<br><br />
• M. Jef Poortmans - - Examiner (Research Director, IMEC, Leuven, Belgium)<br><br />
• M. Thomas Fix - - Thesis supervisor (Research Fellow, ICube, CNRS-Strasbourg Unversity)<br><br />
• M. Abdelilah Slaoui - - Thesis co-supervisor (Research Director, ICube, CNRS-Strasbourg University)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Monday, December 12, 2022 at 10:30 a.m. Marguerite Perey Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth and characterization of Cuprous Oxide Absorbers for Photovoltaics" <br><br />
by '''Chithira VENUGOPALAN KARTHA''' <br />
<br />
<br />
Summary:<br />
<br />
Cuprous Oxide (Cu2O) is a promising candidate as an absorber in photovoltaics. In this work, initially we have optimized the deposition conditions for pure Cu2O film without any parasitic CuO phase via Pulsed Laser Deposition (PLD) and RF Magnetron Sputtering. Optimization of the thermal oxidation of copper sheets to obtain Cu2O was also carried out. We have shown that the stoichiometry of the film can be controlled by varying the deposition conditions. The absorber properties of the films wereinvestigated in detail with several structural, optical, and electrical characterization techniques. To study the influence of the Cu2O growth technique on the absorber properties, optimised PLD and sputtered Cu2O films were compared to thermally oxidised Cu2O sheets. The photovoltaic response of the same absorber prepared via different techniques was also investigated by constructing solar cells with suitable heterojunctions. An open-circuit voltage of 0.56 V was measured from epitaxially grown PLD Cu2O with Nb:SrTiO3 heterojunction. The highest current was obtained for solar cell with thermally oxidised sheet with a short-circuit current density of 1.90 mA/cm2. The sputtered Cu2O solar cell also showed promising photovoltaic response. Finally, the variation in the absorber efficiency of Cu2O was analysed using advanced characterization techniques such as Transient Absorption and Time-Correlated Single Photon Counting. The presence of defects or traps were found to influence the carrier lifetime in the PLD and sputtered Cu2O films, highly affecting the charge carrier separation efficiency when employed in a photovoltaic cell. <br />
<br />
<br />
Jury members:<br><br />
M. BARREAU Nicolas -- Reviewer - Associate professor HDR,IMN, Université de Strasbourg<br><br />
M.EL MARSSI Mimoun-- Reviewer - Professor, LPMC Université de Picardie Jules Verne, Amiens<br><br />
Mme.VIART Nathalie -- Examinator - Professor, IPCMS, CNRS- Université de Strasbourg<br><br />
M.DESCHANVRES Jean-Luc -- Examinator- Research Fellow, LMGP, CNRS- Université Grenoble Alpes<br><br />
M.SLAOUI Abdelilah -- Supervisor - Supervisor, ICube, CNRS- Université de Strasbourg<br><br />
M.FIX Thomas -- Co-supervisor - Research Fellow, ICube, CNRS- Université de Strasbourg<br><br />
M. FERBLANTIER Gérald -- Invitee - Associate professor, ICube, CNRS- Université de Strasbourg<br><br />
<br />
<br />
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*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
<br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
[[File:Schéma lien photovoltaïque - thermoélectricité.png|center|150px]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
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*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
|-<br />
|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
<br />
"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
<br />
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*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
<br />
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*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
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<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
<br />
"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
<br />
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*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
<br />
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| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
<br />
<br />
ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
<br />
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'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
<br />
|}<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
<br />
|}<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
|}<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
|}<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
|}<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
|}<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
|}<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
|}<br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
<br />
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'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
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'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
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'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Job_vacancies&diff=1000
Job vacancies
2023-04-20T10:30:46Z
<p>Steveler : /* PhD positions */</p>
<hr />
<div><br />
[[fr:Offres stages/thèses/poste]]__NOTOC__<br />
== Internships ==<br />
<br><br />
No offers are currently available; however, unsolicited applications are welcome ([[Contacts and directions|Contact]]). <br />
<!-- invisible --><br />
<br />
*[[ Previous Research Master internships]]<br />
<br />
==PhD positions==<br />
<!--<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*'''''[[Media:Sujet_Thèse-Ferblantier_2018.pdf| Functional integration of SiGe-doped nanoparticles for the development of silicon-compatible tandem photovoltaic cells]]'''''<br />
|} <br />
:: '''Subject to be filled for the autumn of 2019 (subject to financing)''' <br><br />
<br />
::''Contact'' : gerald.ferblantier@unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: Contrat doctoral 2023 FIX EN.pdf| Link to the detailed thesis subject in English]]<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
* Each year, ICube offers several thesis topics that can be financed by a ''doctoral contract''.<br/> <br />
<br />
Additional information is available at [http://ed.math-spi.unistra.fr/en/ Doctoral school MSII website (Mathematics, Sciences of the Information and of the Engineer)] to which ICube is a host laboratory.<br />
<br />
<br />
*[[Previous PhD offers]]<br />
<br />
<br><br />
<br />
==Positions==<br />
<br><br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
--><br />
* [https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf The MaCEPV team recruited a contract researcher] for 18 months: Anil Bharwal. <br />
* [[Media:63 MC 4649 PHY .pdf|ICube recruited an associate professor]] at Faculty of Physics & Engineering of Strasbourg University on September 1st, 2020: [[LIN Yaochen|Yaochen LIN]].<br />
* [[Media:Pr63.pdf|ICube recruited a University Professor in CNU section 63 for MaCEPV team]] on September 1st, 2019 : Frédéric Antoni<br />
* [[Media:ICube recrute un assistant-ingénieur.pdf| ICube has recruited an electronic assistant-engineer CNRS]] December 1, 2015: Florian Mugler<br />
* ICube recruited an associate professor at INSA on September 1st, 2015: [[Emilie STEVELER|Emilie Steveler]]<br />
<br />
== Contacts and useful links ==<br />
<br><br />
* For any spontaneous application (postdoctoral position, permanent position...): [[Contacts and directions|Contact]] <br/><br />
<br />
<br />
*Useful links : <br><br />
::[http://www.cnrs.fr/fr/travailler/concours.htm Website for competitive examinations at CNRS]<br/><br />
::[http://www.unistra.fr/index.php?id=recrutement Recruitment website University of Strasbourg]<br/><br />
::[http://www.insa-strasbourg.fr/fr/c/travailler-a-linsa-strasbourg/?menu=insa-strasbourg Recruitment website INSA Strasbourg]<br/><br />
::[http://financements.andes.asso.fr/ Guide to Research Funding]</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Fichier:Contrat_doctoral_2023_FIX_EN.pdf&diff=999
Fichier:Contrat doctoral 2023 FIX EN.pdf
2023-04-20T10:29:48Z
<p>Steveler : </p>
<hr />
<div>Contrat doctoral 2023 FIX EN</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Job_vacancies&diff=997
Job vacancies
2023-04-19T15:33:04Z
<p>Steveler : /* Positions */</p>
<hr />
<div><br />
[[fr:Offres stages/thèses/poste]]__NOTOC__<br />
== Internships ==<br />
<br><br />
No offers are currently available; however, unsolicited applications are welcome ([[Contacts and directions|Contact]]). <br />
<!-- invisible --><br />
<br />
*[[ Previous Research Master internships]]<br />
<br />
==PhD positions==<br />
<!--<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*'''''[[Media:Sujet_Thèse-Ferblantier_2018.pdf| Functional integration of SiGe-doped nanoparticles for the development of silicon-compatible tandem photovoltaic cells]]'''''<br />
|} <br />
:: '''Subject to be filled for the autumn of 2019 (subject to financing)''' <br><br />
<br />
::''Contact'' : gerald.ferblantier@unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
--><br />
<br />
<br />
* Each year, ICube offers several thesis topics that can be financed by a ''doctoral contract''.<br/> <br />
<br />
Additional information is available at [http://ed.math-spi.unistra.fr/en/ Doctoral school MSII website (Mathematics, Sciences of the Information and of the Engineer)] to which ICube is a host laboratory.<br />
<br />
<br />
*[[Previous PhD offers]]<br />
<br />
<br><br />
<br />
==Positions==<br />
<br><br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
--><br />
* [https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf The MaCEPV team recruited a contract researcher] for 18 months: Anil Bharwal. <br />
* [[Media:63 MC 4649 PHY .pdf|ICube recruited an associate professor]] at Faculty of Physics & Engineering of Strasbourg University on September 1st, 2020: [[LIN Yaochen|Yaochen LIN]].<br />
* [[Media:Pr63.pdf|ICube recruited a University Professor in CNU section 63 for MaCEPV team]] on September 1st, 2019 : Frédéric Antoni<br />
* [[Media:ICube recrute un assistant-ingénieur.pdf| ICube has recruited an electronic assistant-engineer CNRS]] December 1, 2015: Florian Mugler<br />
* ICube recruited an associate professor at INSA on September 1st, 2015: [[Emilie STEVELER|Emilie Steveler]]<br />
<br />
== Contacts and useful links ==<br />
<br><br />
* For any spontaneous application (postdoctoral position, permanent position...): [[Contacts and directions|Contact]] <br/><br />
<br />
<br />
*Useful links : <br><br />
::[http://www.cnrs.fr/fr/travailler/concours.htm Website for competitive examinations at CNRS]<br/><br />
::[http://www.unistra.fr/index.php?id=recrutement Recruitment website University of Strasbourg]<br/><br />
::[http://www.insa-strasbourg.fr/fr/c/travailler-a-linsa-strasbourg/?menu=insa-strasbourg Recruitment website INSA Strasbourg]<br/><br />
::[http://financements.andes.asso.fr/ Guide to Research Funding]</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=996
People
2023-04-19T15:11:45Z
<p>Steveler : /* Non-permanent staff */</p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
[[File: MaCEPV team.jpg|center|700px]]<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> ''Director of the department physical measurements of the IUT Louis Pasteur''||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Technical leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|[[Jérôme TRIBOLLET|TRIBOLLET]]||Jérôme||Associate professor ||03 88 10 || tribollet <br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|BEL-HADJ||Ibrahim|| ibrahim.bel-hadj<br />
|-<br />
|BHARWAL||Anil|| bharwal<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT etu.unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick-oumar.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA <br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||Contractual at INES-CEA<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student at INPT-ENSIACET (in collaboration with MaCEPV)<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé|| Teacher at university, Cameroun<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||<br />
|-<br />
|VOLLONDAT ||Romain|| <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=995
People
2023-04-19T15:08:48Z
<p>Steveler : /* Non-permanent staff */</p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
[[File: MaCEPV team.jpg|center|700px]]<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> ''Director of the department physical measurements of the IUT Louis Pasteur''||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Technical leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|[[Jérôme TRIBOLLET|TRIBOLLET]]||Jérôme||Associate professor ||03 88 10 || tribollet <br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|BEL-HADJ||Ibrahim|| ibrahim.bel-hadj<br />
|-<br />
|BHARWAL||Anil|| anil.bharwal<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT etu.unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick-oumar.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA <br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||Contractual at INES-CEA<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student at INPT-ENSIACET (in collaboration with MaCEPV)<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé|| Teacher at university, Cameroun<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||<br />
|-<br />
|VOLLONDAT ||Romain|| <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=994
News
2023-04-19T13:33:59Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
<br />
{|border="0"<br />
[[File:bandeau_news.png|x150px|link=https://macepv.icube.unistra.fr/en/index.php/News |News]]<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Mini-symposium QMat </u> : <br><br />
Wednesday 29th of March 2023 at 10:00 AM, Auditorium of IPCM (campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
" Quantum photonics and optomechanics in nanostructures " <br><br />
<br />
[https://seafile.unistra.fr/f/a016eb43d87c4eeaad0a/ Program and abstracts]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Organic Electronics Days </u> : <br><br />
The mornings of Thursday 30 and Friday 31 March 2023, by videoconference''</big>''<br />
|}<br />
<br />
"Organic Electronics: “From component to applications” " by '''the EEA club''' <br><br />
<br />
[[Media: Flyer-Journees-EO-Club-EEA-Final-2.pdf| Program and registrations]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> 1/2 day of seminars on the IMEE and CS axes of ICube </u>: <br><br />
Monday, March 27, 2023 from 9:30 a.m., Location to be confirmed''</big>''<br />
|}<br />
<br />
"Modeling approaches for the IMEE axis" by '''Y. Hoarau, S. Leclerc and J.-M. Dischler''' (ICube) <br><br />
<br />
[[Media: Séminaire Approches de Modélisation.pdf| Program and summaries of presentations]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> ITI HiFunMat seminar</u> : <br><br />
Wednesday 15 of march 2023 at 10:00 am, ICS amphitheater Henri Benoit (Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"New advances in tetrazines and heptazines chemistry. Fluorescence, photocatalysis, and applications to organic photovoltaic" by '''Pierre Audebert''' <br><br />
<br />
Abstract : <br><br />
s-Tetrazines, and the far more enigmatic heptazines, which count much less described examples, are among the most electron deficient high-nitrogen content, stable aromatic heterocycles (Fig. 1). This peculiarity confers them very original physico-chemical characteristics, including delayed fluorescence, a high electrochemical reduction potential, and a strong potential in organic photocatalysis. In<br />
addition, heptazines can trigger enhanced electron transport in OPV devices. However, their synthetic approach, for heptazines, is still in its infancy. We will present and comment on new strategic synthetic procedures involving these two families, insisting more on heptazines recent results, and new properties.<br />
This lecture will therefore recall new synthetic advances in both fields of tetrazines, and heptazines. Noticeably, a new synthetic procedure of heptazines using mechanochemistry, elaborated in the PPSM laboratory, will be presented. As well, we will describe new very low-viscosity tetrazine-based fluorescent liquids. The original delayed fluorescence of original heptazines, which are the first species to present sometimes a singlet-triplet inversion, will be detailed, along with first results in<br />
photocatalysis.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Launch of the STELORG consortium website </u>: <br><br />
|}<br />
<br />
The website of the "Strasbourg electronic organic " consortium, of which the MaCEPV team is a member, has been put online and is accessible at the following address: http://stelorg.unistra.fr/ <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MyCEPV Seminar </u>: <br><br />
Friday March 10, 2023 at 10 a.m., room 25 of building 40 (Cronenbourg Campus)''</big>''<br />
|}<br />
<br />
"Planar thermoelectric micro-generators for thermal energy harvesting" by '''Ibrahim Bel Hadj''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[http://DOI:%2010.1002/adfm.202202075 Preferential Location of Dopants in the Amorphous Phase of Oriented Regioregular Poly(3-hexylthiophene-2,5-diyl) Films Helps Reach Charge Conductivities of 3000 S cm−1, Yuhan Zhong, Viktoriia Untilova, Dominique Muller, Shubhradip Guchait, Céline Kiefer, Laurent Herrmann, Nicolas Zimmermann, Marion Brosset, Thomas Heiser, and Martin Brinkmann*]<br />
<br />
Abstract: <br><br />
Doping polymer semiconductors is a central topic in plastic electronics and especially in the design of novel thermoelectric (TE) materials. In this con-tribution, it has been demonstrated that doping of oriented semicrystalline P3HT thin films with the dopant tris(4-bromophenyl)ammoniumyl hexachlo-<br />
roantimonate), known as magic blue (MB), helps reach charge conductivities of 3000 S cm−1 and TE power factors of 170 ± 30 μW mK−2 along the polymer chain direction. A combination of transmission electron microscopy, polarized optical absorption spectroscopy, Rutherford backscattering, and TE property<br />
measurements helps clarify the conditions necessary to achieve such high charge conductivities. A comparative study with different dopants demon-strates that the doping mechanism is intimately related to the semicrystalline structure of the polymer and whether crystalline, amorphous or both phases<br />
are doped. The highest charge mobilities are observed when the dopant MB is preferentially located in the amorphous phase of P3HT, leaving the structure of P3HT nanocrystals almost unaltered. In this case, the P3HT nanocrystals are doped from their interface with the surrounding amorphous phase. These<br />
results indicate that doping preferentially the amorphous phase of semi-crystalline polymer semiconductors is an effective strategy to reduce polaron localization, enhance charge mobilities, and improve TE power factors.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[https://doi.org/10.1021/acsami.2c21727 Self-Powered Dynamic Glazing Based on Nematic Liquid Crystals and Organic Photovoltaic Layers for Smart Window Applications Sadiara Fall, Jing Wang, Thomas Regrettier, Nicolas Brouckaert, Olzhas A. Ibraikulov, Nicolas Leclerc, Yaochen Lin, Mohammed Ibn Elhaj, Lachezar Komitov, Patrick Lévêque, Yuhan Zhong, Martin Brinkmann, Malgosia Kaczmarek, and Thomas Heiser*]<br />
<br />
[[File:PubliMaCEPV graphical abstract.webp|center|350px]]<br />
<br />
<br />
Abstract: <br><br />
Dynamic windows allow monitoring of in-door solar radiation and thus improve user comfort and energy efficiency in buildings and vehicles. Existing technologies are, however, hampered by limitations in switching speed, energy e!ciency, user control, or production costs. Here, we introduce a new concept for self-powered switchable glazing that combines a nematic liquid crystal, as an electro-optic active layer, with an organic photovoltaic material. The latter aligns the liquid crystal molecules and generates, under illumination, an electric field that changes the molecular orientation and thereby the device transmittance in the visible and near-infrared region. Small-area devices can be switched from clear to dark in hundreds of milliseconds without an external power supply. The drop in transmittance can be adjusted using a variable resistor and is shown to be reversible and stable for more than 5 h. First<br />
solution-processed large-area (15 cm²) devices are presented, and prospects for smart window applications are discussed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV invited seminar </u> : <br><br />
Thursday 15 december 2022 at 14:00, A301 Télécom Physique Strasbourg Illkirch''</big>''<br />
|}<br />
<br />
"Electrical properties of liquid crystals: characterization, instrumentation and applications" by '''Redouane Douali''' (Professor, Université du Littoral Cote d'Opale, UDSMM Dunkerque)<br><br />
<br />
<br />
Summary <br><br />
Liquid crystals are organic materials with states of matter intermediate between liquid and solid states. They are fluid and self-organized materials that can exhibit orders of orientation and position (layered or columnar structures, depending on the shape of the molecule), which gives them the property of anisotropy and results in interesting properties for applications. The characterization of properties is a crucial step for the development and optimization of devices. The presentation will deal with tools and characterization techniques adapted to liquid crystals; the focus will be on electrical properties and applications in the field of electronics.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Tuesday, December 13, 2022 at 10 a.m. Amphitheater Marguerite Perrey (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Synthesis and characterizations of Silicon Clathrates films for photovoltaic applications" <br><br />
by '''Romain Vollondat''' <br />
<br />
<br />
Summary:<br />
<br />
This PhD thesis focuses on the production of Silicon Clathrate films and the investigation of their optoelectronic and structural properties. Silicon Clathrates are inclusion compounds formed by a lattice of silicon cages occupied by sodium. Free of sodium, these Silicon Clathrates are exotic direct-band allotropes of silicon alluring for solar technologies. The synthesis process by thermal decomposition is studied in order to obtain the best possible quality films. The reversible control of the sodium occupation of the type-II films allows the transition of the film from a metallic to a semiconductor behaviour. The surface doping of these films with arsenic allows a promising improvement of the photovoltaic response of the material.<br />
<br />
<br />
<br />
Jury members:<br><br />
• Mme. Anne Kaminski-Cachopo - - Reviewer (Professor, IMEP-LAHC, CNRS-Grenoble INP)<br><br />
• M. Pere Roca i Cabarrocas - - Reviewer (Research Director, LPICM, Institut Polytechnique of Paris)<br><br />
• Mme. Sylvie Bégin - - Examiner (Professor, IPCMS, CNRS-Strasbourg University)<br><br />
• M. Jef Poortmans - - Examiner (Research Director, IMEC, Leuven, Belgium)<br><br />
• M. Thomas Fix - - Thesis supervisor (Research Fellow, ICube, CNRS-Strasbourg Unversity)<br><br />
• M. Abdelilah Slaoui - - Thesis co-supervisor (Research Director, ICube, CNRS-Strasbourg University)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Monday, December 12, 2022 at 10:30 a.m. Marguerite Perey Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth and characterization of Cuprous Oxide Absorbers for Photovoltaics" <br><br />
by '''Chithira VENUGOPALAN KARTHA''' <br />
<br />
<br />
Summary:<br />
<br />
Cuprous Oxide (Cu2O) is a promising candidate as an absorber in photovoltaics. In this work, initially we have optimized the deposition conditions for pure Cu2O film without any parasitic CuO phase via Pulsed Laser Deposition (PLD) and RF Magnetron Sputtering. Optimization of the thermal oxidation of copper sheets to obtain Cu2O was also carried out. We have shown that the stoichiometry of the film can be controlled by varying the deposition conditions. The absorber properties of the films wereinvestigated in detail with several structural, optical, and electrical characterization techniques. To study the influence of the Cu2O growth technique on the absorber properties, optimised PLD and sputtered Cu2O films were compared to thermally oxidised Cu2O sheets. The photovoltaic response of the same absorber prepared via different techniques was also investigated by constructing solar cells with suitable heterojunctions. An open-circuit voltage of 0.56 V was measured from epitaxially grown PLD Cu2O with Nb:SrTiO3 heterojunction. The highest current was obtained for solar cell with thermally oxidised sheet with a short-circuit current density of 1.90 mA/cm2. The sputtered Cu2O solar cell also showed promising photovoltaic response. Finally, the variation in the absorber efficiency of Cu2O was analysed using advanced characterization techniques such as Transient Absorption and Time-Correlated Single Photon Counting. The presence of defects or traps were found to influence the carrier lifetime in the PLD and sputtered Cu2O films, highly affecting the charge carrier separation efficiency when employed in a photovoltaic cell. <br />
<br />
<br />
Jury members:<br><br />
M. BARREAU Nicolas -- Reviewer - Associate professor HDR,IMN, Université de Strasbourg<br><br />
M.EL MARSSI Mimoun-- Reviewer - Professor, LPMC Université de Picardie Jules Verne, Amiens<br><br />
Mme.VIART Nathalie -- Examinator - Professor, IPCMS, CNRS- Université de Strasbourg<br><br />
M.DESCHANVRES Jean-Luc -- Examinator- Research Fellow, LMGP, CNRS- Université Grenoble Alpes<br><br />
M.SLAOUI Abdelilah -- Supervisor - Supervisor, ICube, CNRS- Université de Strasbourg<br><br />
M.FIX Thomas -- Co-supervisor - Research Fellow, ICube, CNRS- Université de Strasbourg<br><br />
M. FERBLANTIER Gérald -- Invitee - Associate professor, ICube, CNRS- Université de Strasbourg<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
<br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
[[File:Schéma lien photovoltaïque - thermoélectricité.png|center|150px]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
|-<br />
|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
<br />
"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
<br />
"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
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" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
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- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
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"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
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"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
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" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
<br />
<br />
ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
<br />
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'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
|}<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
|}<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
|}<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
|}<br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
|}<br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
|}<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
|}<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
|}<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
|}<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
<br />
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<br />
'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
|}<br />
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'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
|}<br />
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'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
|}<br />
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'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=975
News
2023-03-13T15:00:59Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
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*''<big>''<u> 1/2 day of seminars on the IMEE and CS axes of ICube </u>: <br><br />
Monday, March 27, 2023 from 9:30 a.m., Location to be confirmed''</big>''<br />
|}<br />
<br />
"Modeling approaches for the IMEE axis" by '''Y. Hoarau, S. Leclerc and J.-M. Dischler''' (ICube) <br><br />
<br />
[[Media: Séminaire Approches de Modélisation.pdf| Program and summaries of presentations]]<br />
<br />
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*''<big>''<u> ITI HiFunMat seminar</u> : <br><br />
Wednesday 15 of march 2023 at 10:00 am, ICS amphitheater Henri Benoit (Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"New advances in tetrazines and heptazines chemistry. Fluorescence, photocatalysis, and applications to organic photovoltaic" by '''Pierre Audebert''' <br><br />
<br />
Abstract : <br><br />
s-Tetrazines, and the far more enigmatic heptazines, which count much less described examples, are among the most electron deficient high-nitrogen content, stable aromatic heterocycles (Fig. 1). This peculiarity confers them very original physico-chemical characteristics, including delayed fluorescence, a high electrochemical reduction potential, and a strong potential in organic photocatalysis. In<br />
addition, heptazines can trigger enhanced electron transport in OPV devices. However, their synthetic approach, for heptazines, is still in its infancy. We will present and comment on new strategic synthetic procedures involving these two families, insisting more on heptazines recent results, and new properties.<br />
This lecture will therefore recall new synthetic advances in both fields of tetrazines, and heptazines. Noticeably, a new synthetic procedure of heptazines using mechanochemistry, elaborated in the PPSM laboratory, will be presented. As well, we will describe new very low-viscosity tetrazine-based fluorescent liquids. The original delayed fluorescence of original heptazines, which are the first species to present sometimes a singlet-triplet inversion, will be detailed, along with first results in<br />
photocatalysis.<br />
<br />
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*''<big>''<u> Launch of the STELORG consortium website </u>: <br><br />
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<br />
The website of the "Strasbourg electronic organic " consortium, of which the MaCEPV team is a member, has been put online and is accessible at the following address: http://stelorg.unistra.fr/ <br><br />
<br />
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*''<big>''<u> MyCEPV Seminar </u>: <br><br />
Friday March 10, 2023 at 10 a.m., room 25 of building 40 (Cronenbourg Campus)''</big>''<br />
|}<br />
<br />
"Planar thermoelectric micro-generators for thermal energy harvesting" by '''Ibrahim Bel Hadj''' <br><br />
<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[http://DOI:%2010.1002/adfm.202202075 Preferential Location of Dopants in the Amorphous Phase of Oriented Regioregular Poly(3-hexylthiophene-2,5-diyl) Films Helps Reach Charge Conductivities of 3000 S cm−1, Yuhan Zhong, Viktoriia Untilova, Dominique Muller, Shubhradip Guchait, Céline Kiefer, Laurent Herrmann, Nicolas Zimmermann, Marion Brosset, Thomas Heiser, and Martin Brinkmann*]<br />
<br />
Abstract: <br><br />
Doping polymer semiconductors is a central topic in plastic electronics and especially in the design of novel thermoelectric (TE) materials. In this con-tribution, it has been demonstrated that doping of oriented semicrystalline P3HT thin films with the dopant tris(4-bromophenyl)ammoniumyl hexachlo-<br />
roantimonate), known as magic blue (MB), helps reach charge conductivities of 3000 S cm−1 and TE power factors of 170 ± 30 μW mK−2 along the polymer chain direction. A combination of transmission electron microscopy, polarized optical absorption spectroscopy, Rutherford backscattering, and TE property<br />
measurements helps clarify the conditions necessary to achieve such high charge conductivities. A comparative study with different dopants demon-strates that the doping mechanism is intimately related to the semicrystalline structure of the polymer and whether crystalline, amorphous or both phases<br />
are doped. The highest charge mobilities are observed when the dopant MB is preferentially located in the amorphous phase of P3HT, leaving the structure of P3HT nanocrystals almost unaltered. In this case, the P3HT nanocrystals are doped from their interface with the surrounding amorphous phase. These<br />
results indicate that doping preferentially the amorphous phase of semi-crystalline polymer semiconductors is an effective strategy to reduce polaron localization, enhance charge mobilities, and improve TE power factors.<br />
<br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[https://doi.org/10.1021/acsami.2c21727 Self-Powered Dynamic Glazing Based on Nematic Liquid Crystals and Organic Photovoltaic Layers for Smart Window Applications Sadiara Fall, Jing Wang, Thomas Regrettier, Nicolas Brouckaert, Olzhas A. Ibraikulov, Nicolas Leclerc, Yaochen Lin, Mohammed Ibn Elhaj, Lachezar Komitov, Patrick Lévêque, Yuhan Zhong, Martin Brinkmann, Malgosia Kaczmarek, and Thomas Heiser*]<br />
<br />
[[File:PubliMaCEPV graphical abstract.webp|center|350px]]<br />
<br />
<br />
Abstract: <br><br />
Dynamic windows allow monitoring of in-door solar radiation and thus improve user comfort and energy efficiency in buildings and vehicles. Existing technologies are, however, hampered by limitations in switching speed, energy e!ciency, user control, or production costs. Here, we introduce a new concept for self-powered switchable glazing that combines a nematic liquid crystal, as an electro-optic active layer, with an organic photovoltaic material. The latter aligns the liquid crystal molecules and generates, under illumination, an electric field that changes the molecular orientation and thereby the device transmittance in the visible and near-infrared region. Small-area devices can be switched from clear to dark in hundreds of milliseconds without an external power supply. The drop in transmittance can be adjusted using a variable resistor and is shown to be reversible and stable for more than 5 h. First<br />
solution-processed large-area (15 cm²) devices are presented, and prospects for smart window applications are discussed.<br />
<br />
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*''<big>''<u>MaCEPV invited seminar </u> : <br><br />
Thursday 15 december 2022 at 14:00, A301 Télécom Physique Strasbourg Illkirch''</big>''<br />
|}<br />
<br />
"Electrical properties of liquid crystals: characterization, instrumentation and applications" by '''Redouane Douali''' (Professor, Université du Littoral Cote d'Opale, UDSMM Dunkerque)<br><br />
<br />
<br />
Summary <br><br />
Liquid crystals are organic materials with states of matter intermediate between liquid and solid states. They are fluid and self-organized materials that can exhibit orders of orientation and position (layered or columnar structures, depending on the shape of the molecule), which gives them the property of anisotropy and results in interesting properties for applications. The characterization of properties is a crucial step for the development and optimization of devices. The presentation will deal with tools and characterization techniques adapted to liquid crystals; the focus will be on electrical properties and applications in the field of electronics.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Tuesday, December 13, 2022 at 10 a.m. Amphitheater Marguerite Perrey (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Synthesis and characterizations of Silicon Clathrates films for photovoltaic applications" <br><br />
by '''Romain Vollondat''' <br />
<br />
<br />
Summary:<br />
<br />
This PhD thesis focuses on the production of Silicon Clathrate films and the investigation of their optoelectronic and structural properties. Silicon Clathrates are inclusion compounds formed by a lattice of silicon cages occupied by sodium. Free of sodium, these Silicon Clathrates are exotic direct-band allotropes of silicon alluring for solar technologies. The synthesis process by thermal decomposition is studied in order to obtain the best possible quality films. The reversible control of the sodium occupation of the type-II films allows the transition of the film from a metallic to a semiconductor behaviour. The surface doping of these films with arsenic allows a promising improvement of the photovoltaic response of the material.<br />
<br />
<br />
<br />
Jury members:<br><br />
• Mme. Anne Kaminski-Cachopo - - Reviewer (Professor, IMEP-LAHC, CNRS-Grenoble INP)<br><br />
• M. Pere Roca i Cabarrocas - - Reviewer (Research Director, LPICM, Institut Polytechnique of Paris)<br><br />
• Mme. Sylvie Bégin - - Examiner (Professor, IPCMS, CNRS-Strasbourg University)<br><br />
• M. Jef Poortmans - - Examiner (Research Director, IMEC, Leuven, Belgium)<br><br />
• M. Thomas Fix - - Thesis supervisor (Research Fellow, ICube, CNRS-Strasbourg Unversity)<br><br />
• M. Abdelilah Slaoui - - Thesis co-supervisor (Research Director, ICube, CNRS-Strasbourg University)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Monday, December 12, 2022 at 10:30 a.m. Marguerite Perey Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth and characterization of Cuprous Oxide Absorbers for Photovoltaics" <br><br />
by '''Chithira VENUGOPALAN KARTHA''' <br />
<br />
<br />
Summary:<br />
<br />
Cuprous Oxide (Cu2O) is a promising candidate as an absorber in photovoltaics. In this work, initially we have optimized the deposition conditions for pure Cu2O film without any parasitic CuO phase via Pulsed Laser Deposition (PLD) and RF Magnetron Sputtering. Optimization of the thermal oxidation of copper sheets to obtain Cu2O was also carried out. We have shown that the stoichiometry of the film can be controlled by varying the deposition conditions. The absorber properties of the films wereinvestigated in detail with several structural, optical, and electrical characterization techniques. To study the influence of the Cu2O growth technique on the absorber properties, optimised PLD and sputtered Cu2O films were compared to thermally oxidised Cu2O sheets. The photovoltaic response of the same absorber prepared via different techniques was also investigated by constructing solar cells with suitable heterojunctions. An open-circuit voltage of 0.56 V was measured from epitaxially grown PLD Cu2O with Nb:SrTiO3 heterojunction. The highest current was obtained for solar cell with thermally oxidised sheet with a short-circuit current density of 1.90 mA/cm2. The sputtered Cu2O solar cell also showed promising photovoltaic response. Finally, the variation in the absorber efficiency of Cu2O was analysed using advanced characterization techniques such as Transient Absorption and Time-Correlated Single Photon Counting. The presence of defects or traps were found to influence the carrier lifetime in the PLD and sputtered Cu2O films, highly affecting the charge carrier separation efficiency when employed in a photovoltaic cell. <br />
<br />
<br />
Jury members:<br><br />
M. BARREAU Nicolas -- Reviewer - Associate professor HDR,IMN, Université de Strasbourg<br><br />
M.EL MARSSI Mimoun-- Reviewer - Professor, LPMC Université de Picardie Jules Verne, Amiens<br><br />
Mme.VIART Nathalie -- Examinator - Professor, IPCMS, CNRS- Université de Strasbourg<br><br />
M.DESCHANVRES Jean-Luc -- Examinator- Research Fellow, LMGP, CNRS- Université Grenoble Alpes<br><br />
M.SLAOUI Abdelilah -- Supervisor - Supervisor, ICube, CNRS- Université de Strasbourg<br><br />
M.FIX Thomas -- Co-supervisor - Research Fellow, ICube, CNRS- Université de Strasbourg<br><br />
M. FERBLANTIER Gérald -- Invitee - Associate professor, ICube, CNRS- Université de Strasbourg<br><br />
<br />
<br />
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*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
<br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
[[File:Schéma lien photovoltaïque - thermoélectricité.png|center|150px]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
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*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
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*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
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*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
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"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
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''<big>'' 1/2 DAY POSTPONED<br />
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Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
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"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
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*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
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*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
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*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
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"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
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"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
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<br />
Thesis supervisor: Thomas Heiser <br><br />
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Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
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*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
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"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
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<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
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"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
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<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
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"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
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|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
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"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
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"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
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"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
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"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
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<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
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"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
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<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
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<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
<br />
<br />
ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
<br />
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'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
<br />
|}<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
<br />
|}<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
|}<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
|}<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
|}<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
|}<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
|}<br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
|}<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
|}<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
|}<br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
|}<br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
|}<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
|}<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
|}<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
|}<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
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'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
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'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
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'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
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'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
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Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=974
News
2023-02-27T09:51:56Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
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*''<big>''<u> Launch of the STELORG consortium website </u>: <br><br />
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<br />
The website of the "Strasbourg electronic organic " consortium, of which the MaCEPV team is a member, has been put online and is accessible at the following address: http://stelorg.unistra.fr/ <br><br />
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*''<big>''<u> 1/2 day of seminars on the IMEE and CS axes of ICube </u>: <br><br />
Monday, March 27, 2023 from 9:30 a.m., Location to be confirmed''</big>''<br />
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<br />
"Modeling approaches for the IMEE axis" by '''Y. Hoarau, S. Leclerc and J.-M. Dischler''' (ICube) <br><br />
<br />
[[Media: Séminaire Approches de Modélisation.pdf| Program and summaries of presentations]]<br />
<br />
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*''<big>''<u> MyCEPV Seminar </u>: <br><br />
Friday March 10, 2023 at 10 a.m., room 25 of building 40 (Cronenbourg Campus)''</big>''<br />
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<br />
"Planar thermoelectric micro-generators for thermal energy harvesting" by '''Ibrahim Bel Hadj''' <br><br />
<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
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[http://DOI:%2010.1002/adfm.202202075 Preferential Location of Dopants in the Amorphous Phase of Oriented Regioregular Poly(3-hexylthiophene-2,5-diyl) Films Helps Reach Charge Conductivities of 3000 S cm−1, Yuhan Zhong, Viktoriia Untilova, Dominique Muller, Shubhradip Guchait, Céline Kiefer, Laurent Herrmann, Nicolas Zimmermann, Marion Brosset, Thomas Heiser, and Martin Brinkmann*]<br />
<br />
Abstract: <br><br />
Doping polymer semiconductors is a central topic in plastic electronics and especially in the design of novel thermoelectric (TE) materials. In this con-tribution, it has been demonstrated that doping of oriented semicrystalline P3HT thin films with the dopant tris(4-bromophenyl)ammoniumyl hexachlo-<br />
roantimonate), known as magic blue (MB), helps reach charge conductivities of 3000 S cm−1 and TE power factors of 170 ± 30 μW mK−2 along the polymer chain direction. A combination of transmission electron microscopy, polarized optical absorption spectroscopy, Rutherford backscattering, and TE property<br />
measurements helps clarify the conditions necessary to achieve such high charge conductivities. A comparative study with different dopants demon-strates that the doping mechanism is intimately related to the semicrystalline structure of the polymer and whether crystalline, amorphous or both phases<br />
are doped. The highest charge mobilities are observed when the dopant MB is preferentially located in the amorphous phase of P3HT, leaving the structure of P3HT nanocrystals almost unaltered. In this case, the P3HT nanocrystals are doped from their interface with the surrounding amorphous phase. These<br />
results indicate that doping preferentially the amorphous phase of semi-crystalline polymer semiconductors is an effective strategy to reduce polaron localization, enhance charge mobilities, and improve TE power factors.<br />
<br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
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[https://doi.org/10.1021/acsami.2c21727 Self-Powered Dynamic Glazing Based on Nematic Liquid Crystals and Organic Photovoltaic Layers for Smart Window Applications Sadiara Fall, Jing Wang, Thomas Regrettier, Nicolas Brouckaert, Olzhas A. Ibraikulov, Nicolas Leclerc, Yaochen Lin, Mohammed Ibn Elhaj, Lachezar Komitov, Patrick Lévêque, Yuhan Zhong, Martin Brinkmann, Malgosia Kaczmarek, and Thomas Heiser*]<br />
<br />
[[File:PubliMaCEPV graphical abstract.webp|center|350px]]<br />
<br />
<br />
Abstract: <br><br />
Dynamic windows allow monitoring of in-door solar radiation and thus improve user comfort and energy efficiency in buildings and vehicles. Existing technologies are, however, hampered by limitations in switching speed, energy e!ciency, user control, or production costs. Here, we introduce a new concept for self-powered switchable glazing that combines a nematic liquid crystal, as an electro-optic active layer, with an organic photovoltaic material. The latter aligns the liquid crystal molecules and generates, under illumination, an electric field that changes the molecular orientation and thereby the device transmittance in the visible and near-infrared region. Small-area devices can be switched from clear to dark in hundreds of milliseconds without an external power supply. The drop in transmittance can be adjusted using a variable resistor and is shown to be reversible and stable for more than 5 h. First<br />
solution-processed large-area (15 cm²) devices are presented, and prospects for smart window applications are discussed.<br />
<br />
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*''<big>''<u>MaCEPV invited seminar </u> : <br><br />
Thursday 15 december 2022 at 14:00, A301 Télécom Physique Strasbourg Illkirch''</big>''<br />
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<br />
"Electrical properties of liquid crystals: characterization, instrumentation and applications" by '''Redouane Douali''' (Professor, Université du Littoral Cote d'Opale, UDSMM Dunkerque)<br><br />
<br />
<br />
Summary <br><br />
Liquid crystals are organic materials with states of matter intermediate between liquid and solid states. They are fluid and self-organized materials that can exhibit orders of orientation and position (layered or columnar structures, depending on the shape of the molecule), which gives them the property of anisotropy and results in interesting properties for applications. The characterization of properties is a crucial step for the development and optimization of devices. The presentation will deal with tools and characterization techniques adapted to liquid crystals; the focus will be on electrical properties and applications in the field of electronics.<br />
<br />
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*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Tuesday, December 13, 2022 at 10 a.m. Amphitheater Marguerite Perrey (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Synthesis and characterizations of Silicon Clathrates films for photovoltaic applications" <br><br />
by '''Romain Vollondat''' <br />
<br />
<br />
Summary:<br />
<br />
This PhD thesis focuses on the production of Silicon Clathrate films and the investigation of their optoelectronic and structural properties. Silicon Clathrates are inclusion compounds formed by a lattice of silicon cages occupied by sodium. Free of sodium, these Silicon Clathrates are exotic direct-band allotropes of silicon alluring for solar technologies. The synthesis process by thermal decomposition is studied in order to obtain the best possible quality films. The reversible control of the sodium occupation of the type-II films allows the transition of the film from a metallic to a semiconductor behaviour. The surface doping of these films with arsenic allows a promising improvement of the photovoltaic response of the material.<br />
<br />
<br />
<br />
Jury members:<br><br />
• Mme. Anne Kaminski-Cachopo - - Reviewer (Professor, IMEP-LAHC, CNRS-Grenoble INP)<br><br />
• M. Pere Roca i Cabarrocas - - Reviewer (Research Director, LPICM, Institut Polytechnique of Paris)<br><br />
• Mme. Sylvie Bégin - - Examiner (Professor, IPCMS, CNRS-Strasbourg University)<br><br />
• M. Jef Poortmans - - Examiner (Research Director, IMEC, Leuven, Belgium)<br><br />
• M. Thomas Fix - - Thesis supervisor (Research Fellow, ICube, CNRS-Strasbourg Unversity)<br><br />
• M. Abdelilah Slaoui - - Thesis co-supervisor (Research Director, ICube, CNRS-Strasbourg University)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Monday, December 12, 2022 at 10:30 a.m. Marguerite Perey Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth and characterization of Cuprous Oxide Absorbers for Photovoltaics" <br><br />
by '''Chithira VENUGOPALAN KARTHA''' <br />
<br />
<br />
Summary:<br />
<br />
Cuprous Oxide (Cu2O) is a promising candidate as an absorber in photovoltaics. In this work, initially we have optimized the deposition conditions for pure Cu2O film without any parasitic CuO phase via Pulsed Laser Deposition (PLD) and RF Magnetron Sputtering. Optimization of the thermal oxidation of copper sheets to obtain Cu2O was also carried out. We have shown that the stoichiometry of the film can be controlled by varying the deposition conditions. The absorber properties of the films wereinvestigated in detail with several structural, optical, and electrical characterization techniques. To study the influence of the Cu2O growth technique on the absorber properties, optimised PLD and sputtered Cu2O films were compared to thermally oxidised Cu2O sheets. The photovoltaic response of the same absorber prepared via different techniques was also investigated by constructing solar cells with suitable heterojunctions. An open-circuit voltage of 0.56 V was measured from epitaxially grown PLD Cu2O with Nb:SrTiO3 heterojunction. The highest current was obtained for solar cell with thermally oxidised sheet with a short-circuit current density of 1.90 mA/cm2. The sputtered Cu2O solar cell also showed promising photovoltaic response. Finally, the variation in the absorber efficiency of Cu2O was analysed using advanced characterization techniques such as Transient Absorption and Time-Correlated Single Photon Counting. The presence of defects or traps were found to influence the carrier lifetime in the PLD and sputtered Cu2O films, highly affecting the charge carrier separation efficiency when employed in a photovoltaic cell. <br />
<br />
<br />
Jury members:<br><br />
M. BARREAU Nicolas -- Reviewer - Associate professor HDR,IMN, Université de Strasbourg<br><br />
M.EL MARSSI Mimoun-- Reviewer - Professor, LPMC Université de Picardie Jules Verne, Amiens<br><br />
Mme.VIART Nathalie -- Examinator - Professor, IPCMS, CNRS- Université de Strasbourg<br><br />
M.DESCHANVRES Jean-Luc -- Examinator- Research Fellow, LMGP, CNRS- Université Grenoble Alpes<br><br />
M.SLAOUI Abdelilah -- Supervisor - Supervisor, ICube, CNRS- Université de Strasbourg<br><br />
M.FIX Thomas -- Co-supervisor - Research Fellow, ICube, CNRS- Université de Strasbourg<br><br />
M. FERBLANTIER Gérald -- Invitee - Associate professor, ICube, CNRS- Université de Strasbourg<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
<br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
[[File:Schéma lien photovoltaïque - thermoélectricité.png|center|150px]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
|-<br />
|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
<br />
"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
<br />
"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
<br />
<br />
ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
<br />
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'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
<br />
|}<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
<br />
|}<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
|}<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
|}<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
|}<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
|}<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
|}<br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
|}<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
|}<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
|}<br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
|}<br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
|}<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
|}<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
|}<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
|}<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
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'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
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'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
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'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
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'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
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Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Materials_and_photovoltaic_components&diff=973
Materials and photovoltaic components
2023-02-27T08:23:10Z
<p>Steveler : /* Towards the industrialization of organic photovoltaics */</p>
<hr />
<div>[[fr:Matériaux et composants photovoltaïques]]<br />
<br />
<span id="bidule"> </span><br />
<br />
Although the contribution of photovoltaics to the production of renewable energy is still largely due to the traditional crystalline silicon sector, many so-called "emerging" technologies are the subject of research projects around the world and aim to '''reduce the cost of photovoltaics''' and '''widen its field of application'''. In this context, the development of new thin-film materials with outstanding optical, electronic and mechanical properties plays a key role. Our team participates in these efforts by developing '''new inorganic and organic materials''', studying their '''fundamental properties''', and implementing them in the '''manufacturing of innovative photovoltaic components'''. <br />
<br />
<br />
__TOC__<br />
<br />
<br />
=Developed topics=<br />
<br />
<br />
==Organic photovoltaic cells==<br />
<br />
<br />
Organic solar cells are part of the emerging photovoltaic technologies whose very specific characteristics (flexibility, manufacturing at room temperature, semi-transparency, etc.) should make it possible to broaden the integration of photovoltaics in various fields. The team's activities are mainly aimed at improving photovoltaic conversion efficiency, the stability of organic cells and reducing the environmental impact of their manufacture. We also carry out more fundamental studies on the relationships between the molecular structure and the electronic or photovoltaic properties of new molecules. <br />
<br />
This work is carried out in close collaboration with the consortium [http://stelorg.unistra.fr/ STELORG], which brings together around fifteen researchers in chemistry, physico-chemistry and component physics from four Strasbourg research institutes, complementary skills. <br />
<br />
<!--avec le consortium [https://stelorg-dev.unistra.fr/ STELORG]--><br />
<br />
Our current research projects on this theme are illustrated by a few examples below.<br />
<br />
<br />
===Molecular structure and optoelectronic properties===<br />
<br />
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'''Persons involved: T. Heiser, P. Lévêque, E. Martin, E. Steveler''' <br><br />
<br />
<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), W. Uhring (ICube, SMH), Pascal Didier (LBP), [http://stelorg.unistra.fr/ STELORG].'''<br />
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<br />
<br />
The efficiency of organic photovoltaic (OPV) devices is currently limited by the short lifetime (< 1 ns) and short diffusion length (a few nm) of the photogenerated excitons. The development of organic materials with long diffusion lengths (typically > 10 nm) is therefore proving to be a particularly interesting way to improve charge transport and should lead to an improvement in OPV performance. In thin films, the dynamics of excitons and charge carriers, crucial for the operation of OPV devices, is controlled by intermolecular interactions and depend in a non-trivial way on the molecular organization in the solid state. <br><br />
<br />
In this context, we are studying families of organic molecules with different side chains and heat treatment conditions, allowing us to obtain molecular structures and various crystalline orders (liquid crystal, needles or crystalline grains...). We are thus studying the influence of molecular organization and self-assembly on the dynamics of excitons in order to improve the performance of OPV devices. [1,2] <br><br />
<br />
<br />
[1] J. Jing, E. Steveler, N. Leclerc, A. D'Aléo, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 12149, Organic Electronics and Photonics: Fundamentals and Devices III, 1214904 (2022).<br><br />
[2] J. Jing, E. Steveler, N. Leclerc, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 11365, Organic Electronics and Photonics: Fundamentals and Devices II; 113650F (2020).<br />
<br />
<br />
[[File:Image9.png|700px|center]]<br />
<div class="center"> Continuous-wave photoluminescence (PL) map for (left) amorphous and (middle) crystalline thin films. (right) Time-resolved PL spectra measured on amorphous and crystalline thin films.<br />
</div><br />
<br />
<br />
An atomic-scale modelling activity of exciton diffusion in organic semiconductors has recently been initiated, using first-principles molecular dynamics, based on DFT, in order to strenghten the understanding issue from experiments on this phenomenon. <br />
<br />
<br />
The addition of a structuring platform (TAT)[1] on either side of an effective motif (TB2)[2] makes it possible to act on the molecular arrangement in the solid state to improve the dynamics of charge carriers and ultimately the conversion efficiency of organic solar cells.[3]<br />
<br />
<br />
[1] T. Bura, N. Leclerc, R. Bechara, P. Lévêque, T. Heiser, R. Ziessel, Adv. Energy Mater. 3 (2013) 1118. <br><br />
[2] T. Bura, N. Leclerc, S. Fall, P. Lévêque, P. Retailleau, S. Rihn, A. Mirloup, R. Ziessel, J. Am. Chem. Soc. 134 (2012) 17404.<br><br />
[3] N. Leclerc, I. Bulut, Q. Huaulmé, A. Mirloup, P. Chávez, S. Fall, A. Hébraud, S. Méry, B. Heinrich, T. Heiser, P. Lévêque ChemSusChem. 10 (2017) 1878. <br><br />
<br />
<br />
[[File:ImageTAT-TB2.png|center|700px]]<br />
<div class="center"> Structure of TAT-TB2-TAT and self-assembly corresponding to the solid state.<br />
</div><br />
<br />
<br />
[[File:ImageTAT-TB2(2).png|center|500px]]<br />
<div class="center"> Evolution of charge carrier recombination as a function of molecular structure (with or without TAT), measured by transient photo-voltage and charge extraction techniques.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
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===Research of alternative, non-toxic solvents, by reverse engineering ===<br />
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'''Persons involved: T. Heiser, P. Lévêque''' <br><br />
<br />
'''Collaborations: Sophie Thibaud-Roux, Ivonne Rodrigues-Donis et Vincent Gerbaud, ENSIACET (Toulouse), [http://stelorg.unistra.fr/ STELORG]'''<br />
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<br />
The toxicity of halogenated solvents usually used to solubilize 𝜋-conjugated materials is a major obstacle to the industrialization of organic photovoltaic modules. As a result, the search for alternative solvents, less toxic and potentially biosourced, is today an important issue for the organic sector. In this context, we have recently shown that '''reverse molecular engineering''', which consists in identifying by numerical means solvents presenting a set of target properties, is a promising approach. In collaboration with the teams of Sophie Thibaud-Roux, Ivonne Rodrigues-Donis and Vincent Gerbaud from ENSIACET in Toulouse, we were able to apply the computer-aided design tool, IBSS®, developed by V. Gerbaud, to the problem solvents. <br><br />
<br />
This methodology allowed us in particular to identify several alternative solvents for the manufacture of solar cells based on poly(3-hexylthiophene), a reference organic polymer, without loss of performance.<br />
<br />
<br />
Jing Wang, Ivonne Rodriguez-Donis, Sophie Thiebaud-Roux, Olzhas A. Ibraaikulov, Nicolas Leclerc, Patrick Lévêque, Vincent Gervaud, Markus Kohlstädt, Thomas Heiser, Molecular Systems Design & Engineering, 7 (2022) 182<br />
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[[File:Cellules solaires Solvants.png|center|700px]]<br />
<div class="center"> Performance of P3HT:EH-IDTBR-based solar cells as a function of the solvent used for fabrication.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
=== Ternary mixtures for improved yield and/or stability ===<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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''' Persons involved: P. Lévêque, T. Heiser, S. Fall''' <br><br />
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<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), F. Zhang (University Jiaotong of Beijing), [http://stelorg.unistra.fr/ STELORG].'''<br />
|}<br />
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<br />
Study ternary mixtures in the active layer to increase the photovoltaic conversion efficiency and/or device stability. Starting from an electron donor polymer (PF2), synthesized within the Strasbourg consortium [http://stelorg.unistra.fr/ STELORG], conversion yields greater than 12% were obtained by using two electron donor polymers (PF2 and J71) and an electron acceptor. underived fullerene (Y6) electrons from complementary absorption spectra. [1] By using an electron donor polymer (PF2) and two acceptors (PC71BM and EH-IDTBR), good stability under illumination was observed. A better understanding of the influence of ternary mixtures in terms of solid-state structure and tuning of electronic boundary levels is a lock to be lifted in order to jointly obtain high yields and sufficient stability.<br />
<br />
<br />
[1] X. Ma , Q. An , O. Ibraikulov, P. Lévêque, T. Heiser, N. Leclerc , X. Zhang , F. Zhang, Journal of Materials Chemistry A, 8 (2020) pages 1265.<br />
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<br />
[[File:Image7.png|center]]<br />
<div class="center"> Structure of PF2, J71 and Y6 (left), complementarity of absorption spectra (middle) and boundary levels (right).<br />
</div><br />
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[[File:Image8(bis).png|center]]<br />
<div class="center"> Structure of PF2, PC71BM and EH-IDTBR (left), characteristics (J-V) under standard illumination of PF2:PC71BM:EH-IDTBR mixtures measured before and after photo-degradation (right).<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
===Organic photovoltaics for “indoor” applications===<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: P. Lévêque, S. Fall ''' <br><br />
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'''Collaborations: V. Frick (SMH ICube), [http://stelorg.unistra.fr/ STELORG]'''<br />
|}<br />
<br />
Organic photovoltaic cells absorb particularly in the wavelength range of artificial lighting and often see their efficiency increase when the illumination decreases. The purpose of this theme is to show the potential of organic solar cells to power connected objects located inside buildings. Electronics allowing sober energy management have been developed specifically for this application.<br />
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[[File:OPV indoor.png|center|700px]]<br />
<div class="center"> Evolution of conversion efficiency as a function of light power for neutral filtering from an AM1.5G spectrum (100 mW/cm2) (left). Curve (J-V) corresponding to standard illumination conditions (right). <br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
==Photovoltaic optical modulators based on liquid crystals and organic semiconductors==<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: T. Heiser, S. Fall, Y. Lin ''' <br><br />
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'''Collaborations: J. Wang, T. Regrettier, O. Ibraikulov, N. Brouckaert, [http://stelorg.unistra.fr/ STELORG]'''<br />
|}<br />
<br />
The integration of organic semiconductor materials into liquid crystal optical modulators offers new functionalities to these devices. Indeed, these "hybrid" modulators have by construction a behavior sensitive to the incident light intensity and can therefore be used as photorefractive elements [1] or as dynamic glasses (similar to photochromic or electrochromic glasses, whose tint is adjustable ). <br><br />
In this context, we have recently proposed a new concept of dynamic glass, called PSLM (for "photovoltaic spatial light modulator") [2] (see principle diagram). The operation of a PSLM is energy self-sufficient, easily controllable by the user and benefits from a response time of less than one second. Our current work aims to increase the transparency in the "clear" state of PSLMs, to optimize their spectral response according to the targeted applications and to improve their manufacturing method (increase in size, robustness, etc.).<br />
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<br />
[1] T. Regrettier, M. Kaczmarek, G. D'Alessandro, T. Heiser, "Integrated organic donor-acceptor bulk heterojunctions for self-activated liquid crystal light modulators.," Proc. SPIE 10735, Liquid Crystals XXII, 1073514 (14 September 2018) <br><br />
[2] T. Heiser, T. Regrettier, M. Kaczmarek, « Liquid Crystal Spatial Light Modulator », US 2020/0233248 A1<br />
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[[File:Modulateur optique.png|center|700px]]<br />
<div class="center"> Diagram and photo of a stand-alone PSLM in (a) light (OFF) and (b) dark (ON) state under natural light.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
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== Photon conversion by downshifting or downconversion for solar cells==<br />
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{|style="color: #4392D8;" width="100%"<br />
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'''Persons involved: T. Fix, G. Ferblantier, A. Slaoui ''' <br><br />
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'''Collaborations: IPVF, IPHC, IJL'''<br />
|}<br />
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Several phenomena limit the efficiency of solar cells (c-Si, CIGS…), such as the thermalization of photons with energy higher than the bandgap or the low spectral response in the ultraviolet (window layers…). A possible solution is to better match the bandgaps to the solar spectrum by fabricating tandem solar cells. Another solution is to adapt the solar spectrum to the existing solar cell by converting ultraviolet photons towards the visible or near-infrared before being absorbed by the cell.<br />
Downshifting and downconversion consist in converting an ultraviolet photon into respectively 1 or 2 photons in the visible or near-infrared. We study several downshifting and downconversion systems, in the form of oxide thin films or polymers functionalized with coordination complexes. Our functionalized encapsulants with photon conversion by photoluminescence allow an increase of conversion efficiency from 13.5 to 14.3 % in CIGS solar cells. <br><br />
<br />
[1] [http://dx.doi.org/10.1002/pip.2785 Enhancement of silicon solar cells by downshifting with Eu and Tb coordination complexes], T. Fix, A. Nonat, D. Imbert, S. Di Pietro, M. Mazzanti, A. Slaoui and L. J. Charbonnière, Progress in Photovoltaics: Research and Applications 24, 1251 (2016)<br><br />
[2] [http://dx.doi.org/10.1002/adom.201600395 Enhancement of CIGS solar cells using europium complex as photon downshifter], A. Gavriluta, T. Fix, A. Nonat, M. Paire, A. Slaoui, L. J. Charbonnière, J.-F. Guillemoles, Adv. Opt. Mater. 4, 1846 (2016) <br />
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[[File:Figure5-fix.jpg|center|700px]]<br />
<div class="center"> Impact of the Eu(tta)3(tppo)2 complex in an EVA polymer on CIGS solar cells.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
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<br />
== Emerging oxides as absorbers or transparent conductive oxides ==<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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''' Persons involved: T. Fix, G. Ferblantier, D. Muller, A. Slaoui ''' <br><br />
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'''Collaborations: IPCMS, Purdue University, University of Bologna, Tokyo University of Science'''<br />
|}<br />
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Transparent conductive oxides (TCOs) are present in many solar cell architectures. Research aims to improve these TCOs and avoid the use of Indium, scarce element present in ITO. <br><br />
As well, emerging oxide materials are developed for the role of photon absorber in solar cells. Inorganic photovoltaic technologies are mainly based on CdTe, amorphous Si and CuInxGa1-xSe2 (CIGS). A recent major breakthrough was demonstrated with perovskite halides, with conversion efficiencies higher than 20% using a small surface and not stabilized. Another path is the use of metal oxides based on abundant elements, generally stable and non-toxic. <br><br />
We use pulsed laser deposition (PLD) and sputtering to study novel oxide absorbers for solar cells. The oxides studied must have a bandgap low enough to be compatible with the solar spectrum. Examples of oxides investigated are LaVO3, Cu2O, KBiFe2O5, h-TbMnO3 and Bi2FeCrO6. For the latter, ferroelectricity can play an important role in the photovoltaic properties. <br />
<br />
<br />
[1] [http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives], R. Hoye*, J. Hidalgo, R. Jagt, J.-P. Correa-Baena, T. Fix*, J. MacManus-Driscoll*, Advanced Energy Materials, 2100499, pages 1-59 (2021)<br />
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[[File:Figure-oxydes1.jpg|center|700px]]<br />
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<div class="center"> Some oxides investigated as photovoltaic absorbers in the team.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
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=== Ferroelectric solar cells===<br />
<br />
Ferroelectric materials are being considered for photovoltaic applications, after the demonstration of a conversion efficiency higher than 8% in a solar cell based on ferroelectrics, while only a limited number of researchers are into this field. <br><br />
In the case of a ferroelectric solar cell, there is no need of a p-n junction and the electric polarization from ferroelectricity is responsible for the charge separation. In particular, the double perovskite Bi2FeCrO6 presents the best conversion efficiency while BiFeO3 allows to obtain open circuit voltage of a few dozen volts. The current-voltage characteristics present a bistability in open circuit voltage as a function of the initial polarization voltage of the cell, allowing to obtain solar cells that are tunable with a voltage pulse.<br />
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[[File:Figure oxydes2.jpg|center|700px]]<br />
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<div class="center"> (left) Pulsed laser deposition system for oxides in ICube. (right) Transmission electron microscopy cross-sectional image showing epitaxy of KBiFe2O5 on MgAl2O4 (001).<br />
</div><br />
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<br />
[2] [http://dx.doi.org/10.1021/acs.jpcc.7b10622 Band-gap tuning in ferroelectric Bi2FeCrO6 double perovskite thin films], A. Quattropani, D. Stoeffler, T. Fix, G. Schmerber, M. Lenertz, G. Versini, J. L. Rehspringer, A. Slaoui, A. Dinia and S. Colis, Journal of Physical Chemistry C 122, 1070 (2018)<br><br />
[3] [http://dx.doi.org/10.1016/j.jallcom.2021.160922 Insights on hexagonal TbMnO3 for optoelectronic applications: From powders to thin films], T. Fix, G. Schmerber, J.-L. Rehspringer, M. Rastei, S. Roques, J. Bartringer, A. Slaoui, Journal of Alloys and Compounds 883, 160922 (2021)<br />
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[[#bidule|Back to contents]]<br />
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== Silicon clathrate films ==<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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''' Persons involved: T. Fix, D. Muller, A. Slaoui ''' <br><br />
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'''Collaborations: IPCMS, INL'''<br />
|}<br />
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Common forms of elemental silicon (mono-, multi-crystalline and amorphous) play a foundational role in the field of electronics and the underlying technologies are well mastered. Silicon is an element that is abundant, stable and non-toxic. Silicon clathrates are an exotic form of silicon, discovered in 1965, based as in fullerenes on hollow spheres of various size. The synthesis of clathrates in the form of films is not well mastered and presents technological bottlenecks that we aim to solve (integration into functional devices). ICube is one of the few laboratories that can elaborate such material in the form of films. The electronic and optical properties of these clathrates are strongly different to the “standard” silicon as they can provide a direct bandgap (for type II clathrates), paving the way for novel applications in electronics, optoelectronics and photovoltaics. We have demonstrated by Spectroscopic Surface Photovoltage that type II clathrates are a semiconductor in itself, distinct from diamond silicon. Not only the size of the clathrates but also the presence of doping atoms can dramatically modify their properties. Ion implantation available at ICube is used to modify the properties of the clathrates. Applications in sodium-ion batteries are also emerging for these materials.<br />
<br />
<br />
[1] [https://doi.org/10.1021/acs.jpcc.0c02712 Silicon Clathrate Films for Photovoltaic Applications], T. Fix, R. Vollondat, A. Ameur, S. Roques, J.-L. Rehspringer, C. Chevalier, D. Muller, and A. Slaoui, J. Phys. Chem. C 124, 28, 14972–14977 (2020)<br />
[2] [https://doi.org/10.1016/j.jallcom.2022.163967 Synthesis and characterization of silicon clathrates of type I Na8Si46 and type II NaxSi136 by thermal decomposition], R. Vollondat, S. Roques, C. Chevalier, J. Bartringer, J.-L. Rehspringer, A. Slaoui, T. Fix, Journal of Alloys and Compounds 903, 163967 (2022)<br />
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[[File:Figure-clathrates.jpg|center|450px]]<br />
<div class="center"> (left) silicon clathrate film on c-Si (001) before and after press annealing. (right) schematics of type I and type II silicon clathrates.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
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<br />
=Archives: old topics=<br />
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== Towards the industrialization of organic photovoltaics ==<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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''' Persons involved: P. Lévêque, T. Heiser, J. Wang, S. Fall''' <br><br />
<br />
<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), M. Kohlstädt (FMF, Université de Freiburg), U. Würfel (Fraunhofer ISE), [http://stelorg.unistra.fr/ STELORG].'''<br />
|}<br />
<br />
An electron-donor polymer designed and synthesized at the Cronenbourg campus (PF2) gives high conversion efficiencies (about 10%) when mixed with the PC71BM electron acceptor. This project aims to demonstrate its industrial potential by developing several approaches: <br><br />
- Polymer production at the gram scale or more, <br><br />
- Avoid halogenated solvents for the wet deposition of the active layer,<br><br />
- Avoid rare materials (e.g. Indium) when making transparent conductive electrodes,<br><br />
- Go from laboratory scale (12 mm2) to large areas (> 60 cm2).<br />
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[[File:Image6.png|center|700px]]<br />
<div class="center"> Structure of PF2 and PC71BM (top left), characteristics (J-V) under darkness and standard illumination (AM1.5G (100mW/cm2)) (top right) and corresponding photovoltaic parameters (bottom).<br />
</div><br />
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[[#bidule|Back to contents]]</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Materials_and_photovoltaic_components&diff=972
Materials and photovoltaic components
2023-02-27T08:22:36Z
<p>Steveler : /* Photovoltaic optical modulators based on liquid crystals and organic semiconductors */</p>
<hr />
<div>[[fr:Matériaux et composants photovoltaïques]]<br />
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<span id="bidule"> </span><br />
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Although the contribution of photovoltaics to the production of renewable energy is still largely due to the traditional crystalline silicon sector, many so-called "emerging" technologies are the subject of research projects around the world and aim to '''reduce the cost of photovoltaics''' and '''widen its field of application'''. In this context, the development of new thin-film materials with outstanding optical, electronic and mechanical properties plays a key role. Our team participates in these efforts by developing '''new inorganic and organic materials''', studying their '''fundamental properties''', and implementing them in the '''manufacturing of innovative photovoltaic components'''. <br />
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__TOC__<br />
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=Developed topics=<br />
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==Organic photovoltaic cells==<br />
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Organic solar cells are part of the emerging photovoltaic technologies whose very specific characteristics (flexibility, manufacturing at room temperature, semi-transparency, etc.) should make it possible to broaden the integration of photovoltaics in various fields. The team's activities are mainly aimed at improving photovoltaic conversion efficiency, the stability of organic cells and reducing the environmental impact of their manufacture. We also carry out more fundamental studies on the relationships between the molecular structure and the electronic or photovoltaic properties of new molecules. <br />
<br />
This work is carried out in close collaboration with the consortium [http://stelorg.unistra.fr/ STELORG], which brings together around fifteen researchers in chemistry, physico-chemistry and component physics from four Strasbourg research institutes, complementary skills. <br />
<br />
<!--avec le consortium [https://stelorg-dev.unistra.fr/ STELORG]--><br />
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Our current research projects on this theme are illustrated by a few examples below.<br />
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===Molecular structure and optoelectronic properties===<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: T. Heiser, P. Lévêque, E. Martin, E. Steveler''' <br><br />
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'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), W. Uhring (ICube, SMH), Pascal Didier (LBP), [http://stelorg.unistra.fr/ STELORG].'''<br />
|}<br />
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The efficiency of organic photovoltaic (OPV) devices is currently limited by the short lifetime (< 1 ns) and short diffusion length (a few nm) of the photogenerated excitons. The development of organic materials with long diffusion lengths (typically > 10 nm) is therefore proving to be a particularly interesting way to improve charge transport and should lead to an improvement in OPV performance. In thin films, the dynamics of excitons and charge carriers, crucial for the operation of OPV devices, is controlled by intermolecular interactions and depend in a non-trivial way on the molecular organization in the solid state. <br><br />
<br />
In this context, we are studying families of organic molecules with different side chains and heat treatment conditions, allowing us to obtain molecular structures and various crystalline orders (liquid crystal, needles or crystalline grains...). We are thus studying the influence of molecular organization and self-assembly on the dynamics of excitons in order to improve the performance of OPV devices. [1,2] <br><br />
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[1] J. Jing, E. Steveler, N. Leclerc, A. D'Aléo, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 12149, Organic Electronics and Photonics: Fundamentals and Devices III, 1214904 (2022).<br><br />
[2] J. Jing, E. Steveler, N. Leclerc, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 11365, Organic Electronics and Photonics: Fundamentals and Devices II; 113650F (2020).<br />
<br />
<br />
[[File:Image9.png|700px|center]]<br />
<div class="center"> Continuous-wave photoluminescence (PL) map for (left) amorphous and (middle) crystalline thin films. (right) Time-resolved PL spectra measured on amorphous and crystalline thin films.<br />
</div><br />
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An atomic-scale modelling activity of exciton diffusion in organic semiconductors has recently been initiated, using first-principles molecular dynamics, based on DFT, in order to strenghten the understanding issue from experiments on this phenomenon. <br />
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The addition of a structuring platform (TAT)[1] on either side of an effective motif (TB2)[2] makes it possible to act on the molecular arrangement in the solid state to improve the dynamics of charge carriers and ultimately the conversion efficiency of organic solar cells.[3]<br />
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<br />
[1] T. Bura, N. Leclerc, R. Bechara, P. Lévêque, T. Heiser, R. Ziessel, Adv. Energy Mater. 3 (2013) 1118. <br><br />
[2] T. Bura, N. Leclerc, S. Fall, P. Lévêque, P. Retailleau, S. Rihn, A. Mirloup, R. Ziessel, J. Am. Chem. Soc. 134 (2012) 17404.<br><br />
[3] N. Leclerc, I. Bulut, Q. Huaulmé, A. Mirloup, P. Chávez, S. Fall, A. Hébraud, S. Méry, B. Heinrich, T. Heiser, P. Lévêque ChemSusChem. 10 (2017) 1878. <br><br />
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[[File:ImageTAT-TB2.png|center|700px]]<br />
<div class="center"> Structure of TAT-TB2-TAT and self-assembly corresponding to the solid state.<br />
</div><br />
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[[File:ImageTAT-TB2(2).png|center|500px]]<br />
<div class="center"> Evolution of charge carrier recombination as a function of molecular structure (with or without TAT), measured by transient photo-voltage and charge extraction techniques.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
===Research of alternative, non-toxic solvents, by reverse engineering ===<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: T. Heiser, P. Lévêque''' <br><br />
<br />
'''Collaborations: Sophie Thibaud-Roux, Ivonne Rodrigues-Donis et Vincent Gerbaud, ENSIACET (Toulouse), [http://stelorg.unistra.fr/ STELORG]'''<br />
|}<br />
<br />
The toxicity of halogenated solvents usually used to solubilize 𝜋-conjugated materials is a major obstacle to the industrialization of organic photovoltaic modules. As a result, the search for alternative solvents, less toxic and potentially biosourced, is today an important issue for the organic sector. In this context, we have recently shown that '''reverse molecular engineering''', which consists in identifying by numerical means solvents presenting a set of target properties, is a promising approach. In collaboration with the teams of Sophie Thibaud-Roux, Ivonne Rodrigues-Donis and Vincent Gerbaud from ENSIACET in Toulouse, we were able to apply the computer-aided design tool, IBSS®, developed by V. Gerbaud, to the problem solvents. <br><br />
<br />
This methodology allowed us in particular to identify several alternative solvents for the manufacture of solar cells based on poly(3-hexylthiophene), a reference organic polymer, without loss of performance.<br />
<br />
<br />
Jing Wang, Ivonne Rodriguez-Donis, Sophie Thiebaud-Roux, Olzhas A. Ibraaikulov, Nicolas Leclerc, Patrick Lévêque, Vincent Gervaud, Markus Kohlstädt, Thomas Heiser, Molecular Systems Design & Engineering, 7 (2022) 182<br />
<br />
<br />
[[File:Cellules solaires Solvants.png|center|700px]]<br />
<div class="center"> Performance of P3HT:EH-IDTBR-based solar cells as a function of the solvent used for fabrication.<br />
</div><br />
<br />
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[[#bidule|Back to contents]]<br />
<br />
=== Ternary mixtures for improved yield and/or stability ===<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: P. Lévêque, T. Heiser, S. Fall''' <br><br />
<br />
<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), F. Zhang (University Jiaotong of Beijing), [http://stelorg.unistra.fr/ STELORG].'''<br />
|}<br />
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<br />
Study ternary mixtures in the active layer to increase the photovoltaic conversion efficiency and/or device stability. Starting from an electron donor polymer (PF2), synthesized within the Strasbourg consortium [http://stelorg.unistra.fr/ STELORG], conversion yields greater than 12% were obtained by using two electron donor polymers (PF2 and J71) and an electron acceptor. underived fullerene (Y6) electrons from complementary absorption spectra. [1] By using an electron donor polymer (PF2) and two acceptors (PC71BM and EH-IDTBR), good stability under illumination was observed. A better understanding of the influence of ternary mixtures in terms of solid-state structure and tuning of electronic boundary levels is a lock to be lifted in order to jointly obtain high yields and sufficient stability.<br />
<br />
<br />
[1] X. Ma , Q. An , O. Ibraikulov, P. Lévêque, T. Heiser, N. Leclerc , X. Zhang , F. Zhang, Journal of Materials Chemistry A, 8 (2020) pages 1265.<br />
<br />
<br />
[[File:Image7.png|center]]<br />
<div class="center"> Structure of PF2, J71 and Y6 (left), complementarity of absorption spectra (middle) and boundary levels (right).<br />
</div><br />
<br />
<br />
[[File:Image8(bis).png|center]]<br />
<div class="center"> Structure of PF2, PC71BM and EH-IDTBR (left), characteristics (J-V) under standard illumination of PF2:PC71BM:EH-IDTBR mixtures measured before and after photo-degradation (right).<br />
</div><br />
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[[#bidule|Back to contents]]<br />
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===Organic photovoltaics for “indoor” applications===<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
'''Persons involved: P. Lévêque, S. Fall ''' <br><br />
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<br />
'''Collaborations: V. Frick (SMH ICube), [http://stelorg.unistra.fr/ STELORG]'''<br />
|}<br />
<br />
Organic photovoltaic cells absorb particularly in the wavelength range of artificial lighting and often see their efficiency increase when the illumination decreases. The purpose of this theme is to show the potential of organic solar cells to power connected objects located inside buildings. Electronics allowing sober energy management have been developed specifically for this application.<br />
<br />
<br />
[[File:OPV indoor.png|center|700px]]<br />
<div class="center"> Evolution of conversion efficiency as a function of light power for neutral filtering from an AM1.5G spectrum (100 mW/cm2) (left). Curve (J-V) corresponding to standard illumination conditions (right). <br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
==Photovoltaic optical modulators based on liquid crystals and organic semiconductors==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: T. Heiser, S. Fall, Y. Lin ''' <br><br />
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<br />
'''Collaborations: J. Wang, T. Regrettier, O. Ibraikulov, N. Brouckaert, [http://stelorg.unistra.fr/ STELORG]'''<br />
|}<br />
<br />
The integration of organic semiconductor materials into liquid crystal optical modulators offers new functionalities to these devices. Indeed, these "hybrid" modulators have by construction a behavior sensitive to the incident light intensity and can therefore be used as photorefractive elements [1] or as dynamic glasses (similar to photochromic or electrochromic glasses, whose tint is adjustable ). <br><br />
In this context, we have recently proposed a new concept of dynamic glass, called PSLM (for "photovoltaic spatial light modulator") [2] (see principle diagram). The operation of a PSLM is energy self-sufficient, easily controllable by the user and benefits from a response time of less than one second. Our current work aims to increase the transparency in the "clear" state of PSLMs, to optimize their spectral response according to the targeted applications and to improve their manufacturing method (increase in size, robustness, etc.).<br />
<br />
<br />
[1] T. Regrettier, M. Kaczmarek, G. D'Alessandro, T. Heiser, "Integrated organic donor-acceptor bulk heterojunctions for self-activated liquid crystal light modulators.," Proc. SPIE 10735, Liquid Crystals XXII, 1073514 (14 September 2018) <br><br />
[2] T. Heiser, T. Regrettier, M. Kaczmarek, « Liquid Crystal Spatial Light Modulator », US 2020/0233248 A1<br />
<br />
<br />
[[File:Modulateur optique.png|center|700px]]<br />
<div class="center"> Diagram and photo of a stand-alone PSLM in (a) light (OFF) and (b) dark (ON) state under natural light.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
== Photon conversion by downshifting or downconversion for solar cells==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: T. Fix, G. Ferblantier, A. Slaoui ''' <br><br />
<br />
<br />
'''Collaborations: IPVF, IPHC, IJL'''<br />
|}<br />
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<br />
Several phenomena limit the efficiency of solar cells (c-Si, CIGS…), such as the thermalization of photons with energy higher than the bandgap or the low spectral response in the ultraviolet (window layers…). A possible solution is to better match the bandgaps to the solar spectrum by fabricating tandem solar cells. Another solution is to adapt the solar spectrum to the existing solar cell by converting ultraviolet photons towards the visible or near-infrared before being absorbed by the cell.<br />
Downshifting and downconversion consist in converting an ultraviolet photon into respectively 1 or 2 photons in the visible or near-infrared. We study several downshifting and downconversion systems, in the form of oxide thin films or polymers functionalized with coordination complexes. Our functionalized encapsulants with photon conversion by photoluminescence allow an increase of conversion efficiency from 13.5 to 14.3 % in CIGS solar cells. <br><br />
<br />
[1] [http://dx.doi.org/10.1002/pip.2785 Enhancement of silicon solar cells by downshifting with Eu and Tb coordination complexes], T. Fix, A. Nonat, D. Imbert, S. Di Pietro, M. Mazzanti, A. Slaoui and L. J. Charbonnière, Progress in Photovoltaics: Research and Applications 24, 1251 (2016)<br><br />
[2] [http://dx.doi.org/10.1002/adom.201600395 Enhancement of CIGS solar cells using europium complex as photon downshifter], A. Gavriluta, T. Fix, A. Nonat, M. Paire, A. Slaoui, L. J. Charbonnière, J.-F. Guillemoles, Adv. Opt. Mater. 4, 1846 (2016) <br />
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[[File:Figure5-fix.jpg|center|700px]]<br />
<div class="center"> Impact of the Eu(tta)3(tppo)2 complex in an EVA polymer on CIGS solar cells.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
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<br />
== Emerging oxides as absorbers or transparent conductive oxides ==<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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''' Persons involved: T. Fix, G. Ferblantier, D. Muller, A. Slaoui ''' <br><br />
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'''Collaborations: IPCMS, Purdue University, University of Bologna, Tokyo University of Science'''<br />
|}<br />
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<br />
Transparent conductive oxides (TCOs) are present in many solar cell architectures. Research aims to improve these TCOs and avoid the use of Indium, scarce element present in ITO. <br><br />
As well, emerging oxide materials are developed for the role of photon absorber in solar cells. Inorganic photovoltaic technologies are mainly based on CdTe, amorphous Si and CuInxGa1-xSe2 (CIGS). A recent major breakthrough was demonstrated with perovskite halides, with conversion efficiencies higher than 20% using a small surface and not stabilized. Another path is the use of metal oxides based on abundant elements, generally stable and non-toxic. <br><br />
We use pulsed laser deposition (PLD) and sputtering to study novel oxide absorbers for solar cells. The oxides studied must have a bandgap low enough to be compatible with the solar spectrum. Examples of oxides investigated are LaVO3, Cu2O, KBiFe2O5, h-TbMnO3 and Bi2FeCrO6. For the latter, ferroelectricity can play an important role in the photovoltaic properties. <br />
<br />
<br />
[1] [http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives], R. Hoye*, J. Hidalgo, R. Jagt, J.-P. Correa-Baena, T. Fix*, J. MacManus-Driscoll*, Advanced Energy Materials, 2100499, pages 1-59 (2021)<br />
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[[File:Figure-oxydes1.jpg|center|700px]]<br />
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<div class="center"> Some oxides investigated as photovoltaic absorbers in the team.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
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<br />
=== Ferroelectric solar cells===<br />
<br />
Ferroelectric materials are being considered for photovoltaic applications, after the demonstration of a conversion efficiency higher than 8% in a solar cell based on ferroelectrics, while only a limited number of researchers are into this field. <br><br />
In the case of a ferroelectric solar cell, there is no need of a p-n junction and the electric polarization from ferroelectricity is responsible for the charge separation. In particular, the double perovskite Bi2FeCrO6 presents the best conversion efficiency while BiFeO3 allows to obtain open circuit voltage of a few dozen volts. The current-voltage characteristics present a bistability in open circuit voltage as a function of the initial polarization voltage of the cell, allowing to obtain solar cells that are tunable with a voltage pulse.<br />
<br />
[[File:Figure oxydes2.jpg|center|700px]]<br />
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<div class="center"> (left) Pulsed laser deposition system for oxides in ICube. (right) Transmission electron microscopy cross-sectional image showing epitaxy of KBiFe2O5 on MgAl2O4 (001).<br />
</div><br />
<br />
<br />
[2] [http://dx.doi.org/10.1021/acs.jpcc.7b10622 Band-gap tuning in ferroelectric Bi2FeCrO6 double perovskite thin films], A. Quattropani, D. Stoeffler, T. Fix, G. Schmerber, M. Lenertz, G. Versini, J. L. Rehspringer, A. Slaoui, A. Dinia and S. Colis, Journal of Physical Chemistry C 122, 1070 (2018)<br><br />
[3] [http://dx.doi.org/10.1016/j.jallcom.2021.160922 Insights on hexagonal TbMnO3 for optoelectronic applications: From powders to thin films], T. Fix, G. Schmerber, J.-L. Rehspringer, M. Rastei, S. Roques, J. Bartringer, A. Slaoui, Journal of Alloys and Compounds 883, 160922 (2021)<br />
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== Silicon clathrate films ==<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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''' Persons involved: T. Fix, D. Muller, A. Slaoui ''' <br><br />
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'''Collaborations: IPCMS, INL'''<br />
|}<br />
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<br />
Common forms of elemental silicon (mono-, multi-crystalline and amorphous) play a foundational role in the field of electronics and the underlying technologies are well mastered. Silicon is an element that is abundant, stable and non-toxic. Silicon clathrates are an exotic form of silicon, discovered in 1965, based as in fullerenes on hollow spheres of various size. The synthesis of clathrates in the form of films is not well mastered and presents technological bottlenecks that we aim to solve (integration into functional devices). ICube is one of the few laboratories that can elaborate such material in the form of films. The electronic and optical properties of these clathrates are strongly different to the “standard” silicon as they can provide a direct bandgap (for type II clathrates), paving the way for novel applications in electronics, optoelectronics and photovoltaics. We have demonstrated by Spectroscopic Surface Photovoltage that type II clathrates are a semiconductor in itself, distinct from diamond silicon. Not only the size of the clathrates but also the presence of doping atoms can dramatically modify their properties. Ion implantation available at ICube is used to modify the properties of the clathrates. Applications in sodium-ion batteries are also emerging for these materials.<br />
<br />
<br />
[1] [https://doi.org/10.1021/acs.jpcc.0c02712 Silicon Clathrate Films for Photovoltaic Applications], T. Fix, R. Vollondat, A. Ameur, S. Roques, J.-L. Rehspringer, C. Chevalier, D. Muller, and A. Slaoui, J. Phys. Chem. C 124, 28, 14972–14977 (2020)<br />
[2] [https://doi.org/10.1016/j.jallcom.2022.163967 Synthesis and characterization of silicon clathrates of type I Na8Si46 and type II NaxSi136 by thermal decomposition], R. Vollondat, S. Roques, C. Chevalier, J. Bartringer, J.-L. Rehspringer, A. Slaoui, T. Fix, Journal of Alloys and Compounds 903, 163967 (2022)<br />
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<br />
[[File:Figure-clathrates.jpg|center|450px]]<br />
<div class="center"> (left) silicon clathrate film on c-Si (001) before and after press annealing. (right) schematics of type I and type II silicon clathrates.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
<br />
=Archives: old topics=<br />
<br />
<br />
== Towards the industrialization of organic photovoltaics ==<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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''' Persons involved: P. Lévêque, T. Heiser, J. Wang, S. Fall''' <br><br />
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<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), M. Kohlstädt (FMF, Université de Freiburg), U. Würfel (Fraunhofer ISE).'''<br />
|}<br />
<br />
An electron-donor polymer designed and synthesized at the Cronenbourg campus (PF2) gives high conversion efficiencies (about 10%) when mixed with the PC71BM electron acceptor. This project aims to demonstrate its industrial potential by developing several approaches: <br><br />
- Polymer production at the gram scale or more, <br><br />
- Avoid halogenated solvents for the wet deposition of the active layer,<br><br />
- Avoid rare materials (e.g. Indium) when making transparent conductive electrodes,<br><br />
- Go from laboratory scale (12 mm2) to large areas (> 60 cm2).<br />
<br />
<br />
[[File:Image6.png|center|700px]]<br />
<div class="center"> Structure of PF2 and PC71BM (top left), characteristics (J-V) under darkness and standard illumination (AM1.5G (100mW/cm2)) (top right) and corresponding photovoltaic parameters (bottom).<br />
</div><br />
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[[#bidule|Back to contents]]</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Materials_and_photovoltaic_components&diff=971
Materials and photovoltaic components
2023-02-27T08:22:11Z
<p>Steveler : /* Organic photovoltaics for “indoor” applications */</p>
<hr />
<div>[[fr:Matériaux et composants photovoltaïques]]<br />
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<span id="bidule"> </span><br />
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Although the contribution of photovoltaics to the production of renewable energy is still largely due to the traditional crystalline silicon sector, many so-called "emerging" technologies are the subject of research projects around the world and aim to '''reduce the cost of photovoltaics''' and '''widen its field of application'''. In this context, the development of new thin-film materials with outstanding optical, electronic and mechanical properties plays a key role. Our team participates in these efforts by developing '''new inorganic and organic materials''', studying their '''fundamental properties''', and implementing them in the '''manufacturing of innovative photovoltaic components'''. <br />
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__TOC__<br />
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=Developed topics=<br />
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<br />
==Organic photovoltaic cells==<br />
<br />
<br />
Organic solar cells are part of the emerging photovoltaic technologies whose very specific characteristics (flexibility, manufacturing at room temperature, semi-transparency, etc.) should make it possible to broaden the integration of photovoltaics in various fields. The team's activities are mainly aimed at improving photovoltaic conversion efficiency, the stability of organic cells and reducing the environmental impact of their manufacture. We also carry out more fundamental studies on the relationships between the molecular structure and the electronic or photovoltaic properties of new molecules. <br />
<br />
This work is carried out in close collaboration with the consortium [http://stelorg.unistra.fr/ STELORG], which brings together around fifteen researchers in chemistry, physico-chemistry and component physics from four Strasbourg research institutes, complementary skills. <br />
<br />
<!--avec le consortium [https://stelorg-dev.unistra.fr/ STELORG]--><br />
<br />
Our current research projects on this theme are illustrated by a few examples below.<br />
<br />
<br />
===Molecular structure and optoelectronic properties===<br />
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{|style="color: #4392D8;" width="100%"<br />
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'''Persons involved: T. Heiser, P. Lévêque, E. Martin, E. Steveler''' <br><br />
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<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), W. Uhring (ICube, SMH), Pascal Didier (LBP), [http://stelorg.unistra.fr/ STELORG].'''<br />
|}<br />
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<br />
The efficiency of organic photovoltaic (OPV) devices is currently limited by the short lifetime (< 1 ns) and short diffusion length (a few nm) of the photogenerated excitons. The development of organic materials with long diffusion lengths (typically > 10 nm) is therefore proving to be a particularly interesting way to improve charge transport and should lead to an improvement in OPV performance. In thin films, the dynamics of excitons and charge carriers, crucial for the operation of OPV devices, is controlled by intermolecular interactions and depend in a non-trivial way on the molecular organization in the solid state. <br><br />
<br />
In this context, we are studying families of organic molecules with different side chains and heat treatment conditions, allowing us to obtain molecular structures and various crystalline orders (liquid crystal, needles or crystalline grains...). We are thus studying the influence of molecular organization and self-assembly on the dynamics of excitons in order to improve the performance of OPV devices. [1,2] <br><br />
<br />
<br />
[1] J. Jing, E. Steveler, N. Leclerc, A. D'Aléo, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 12149, Organic Electronics and Photonics: Fundamentals and Devices III, 1214904 (2022).<br><br />
[2] J. Jing, E. Steveler, N. Leclerc, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 11365, Organic Electronics and Photonics: Fundamentals and Devices II; 113650F (2020).<br />
<br />
<br />
[[File:Image9.png|700px|center]]<br />
<div class="center"> Continuous-wave photoluminescence (PL) map for (left) amorphous and (middle) crystalline thin films. (right) Time-resolved PL spectra measured on amorphous and crystalline thin films.<br />
</div><br />
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<br />
An atomic-scale modelling activity of exciton diffusion in organic semiconductors has recently been initiated, using first-principles molecular dynamics, based on DFT, in order to strenghten the understanding issue from experiments on this phenomenon. <br />
<br />
<br />
The addition of a structuring platform (TAT)[1] on either side of an effective motif (TB2)[2] makes it possible to act on the molecular arrangement in the solid state to improve the dynamics of charge carriers and ultimately the conversion efficiency of organic solar cells.[3]<br />
<br />
<br />
[1] T. Bura, N. Leclerc, R. Bechara, P. Lévêque, T. Heiser, R. Ziessel, Adv. Energy Mater. 3 (2013) 1118. <br><br />
[2] T. Bura, N. Leclerc, S. Fall, P. Lévêque, P. Retailleau, S. Rihn, A. Mirloup, R. Ziessel, J. Am. Chem. Soc. 134 (2012) 17404.<br><br />
[3] N. Leclerc, I. Bulut, Q. Huaulmé, A. Mirloup, P. Chávez, S. Fall, A. Hébraud, S. Méry, B. Heinrich, T. Heiser, P. Lévêque ChemSusChem. 10 (2017) 1878. <br><br />
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[[File:ImageTAT-TB2.png|center|700px]]<br />
<div class="center"> Structure of TAT-TB2-TAT and self-assembly corresponding to the solid state.<br />
</div><br />
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[[File:ImageTAT-TB2(2).png|center|500px]]<br />
<div class="center"> Evolution of charge carrier recombination as a function of molecular structure (with or without TAT), measured by transient photo-voltage and charge extraction techniques.<br />
</div><br />
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===Research of alternative, non-toxic solvents, by reverse engineering ===<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: T. Heiser, P. Lévêque''' <br><br />
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'''Collaborations: Sophie Thibaud-Roux, Ivonne Rodrigues-Donis et Vincent Gerbaud, ENSIACET (Toulouse), [http://stelorg.unistra.fr/ STELORG]'''<br />
|}<br />
<br />
The toxicity of halogenated solvents usually used to solubilize 𝜋-conjugated materials is a major obstacle to the industrialization of organic photovoltaic modules. As a result, the search for alternative solvents, less toxic and potentially biosourced, is today an important issue for the organic sector. In this context, we have recently shown that '''reverse molecular engineering''', which consists in identifying by numerical means solvents presenting a set of target properties, is a promising approach. In collaboration with the teams of Sophie Thibaud-Roux, Ivonne Rodrigues-Donis and Vincent Gerbaud from ENSIACET in Toulouse, we were able to apply the computer-aided design tool, IBSS®, developed by V. Gerbaud, to the problem solvents. <br><br />
<br />
This methodology allowed us in particular to identify several alternative solvents for the manufacture of solar cells based on poly(3-hexylthiophene), a reference organic polymer, without loss of performance.<br />
<br />
<br />
Jing Wang, Ivonne Rodriguez-Donis, Sophie Thiebaud-Roux, Olzhas A. Ibraaikulov, Nicolas Leclerc, Patrick Lévêque, Vincent Gervaud, Markus Kohlstädt, Thomas Heiser, Molecular Systems Design & Engineering, 7 (2022) 182<br />
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[[File:Cellules solaires Solvants.png|center|700px]]<br />
<div class="center"> Performance of P3HT:EH-IDTBR-based solar cells as a function of the solvent used for fabrication.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
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=== Ternary mixtures for improved yield and/or stability ===<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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''' Persons involved: P. Lévêque, T. Heiser, S. Fall''' <br><br />
<br />
<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), F. Zhang (University Jiaotong of Beijing), [http://stelorg.unistra.fr/ STELORG].'''<br />
|}<br />
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<br />
Study ternary mixtures in the active layer to increase the photovoltaic conversion efficiency and/or device stability. Starting from an electron donor polymer (PF2), synthesized within the Strasbourg consortium [http://stelorg.unistra.fr/ STELORG], conversion yields greater than 12% were obtained by using two electron donor polymers (PF2 and J71) and an electron acceptor. underived fullerene (Y6) electrons from complementary absorption spectra. [1] By using an electron donor polymer (PF2) and two acceptors (PC71BM and EH-IDTBR), good stability under illumination was observed. A better understanding of the influence of ternary mixtures in terms of solid-state structure and tuning of electronic boundary levels is a lock to be lifted in order to jointly obtain high yields and sufficient stability.<br />
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<br />
[1] X. Ma , Q. An , O. Ibraikulov, P. Lévêque, T. Heiser, N. Leclerc , X. Zhang , F. Zhang, Journal of Materials Chemistry A, 8 (2020) pages 1265.<br />
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[[File:Image7.png|center]]<br />
<div class="center"> Structure of PF2, J71 and Y6 (left), complementarity of absorption spectra (middle) and boundary levels (right).<br />
</div><br />
<br />
<br />
[[File:Image8(bis).png|center]]<br />
<div class="center"> Structure of PF2, PC71BM and EH-IDTBR (left), characteristics (J-V) under standard illumination of PF2:PC71BM:EH-IDTBR mixtures measured before and after photo-degradation (right).<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
===Organic photovoltaics for “indoor” applications===<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
'''Persons involved: P. Lévêque, S. Fall ''' <br><br />
<br />
<br />
'''Collaborations: V. Frick (SMH ICube), [http://stelorg.unistra.fr/ STELORG]'''<br />
|}<br />
<br />
Organic photovoltaic cells absorb particularly in the wavelength range of artificial lighting and often see their efficiency increase when the illumination decreases. The purpose of this theme is to show the potential of organic solar cells to power connected objects located inside buildings. Electronics allowing sober energy management have been developed specifically for this application.<br />
<br />
<br />
[[File:OPV indoor.png|center|700px]]<br />
<div class="center"> Evolution of conversion efficiency as a function of light power for neutral filtering from an AM1.5G spectrum (100 mW/cm2) (left). Curve (J-V) corresponding to standard illumination conditions (right). <br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
==Photovoltaic optical modulators based on liquid crystals and organic semiconductors==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
'''Persons involved: T. Heiser, S. Fall, Y. Lin ''' <br><br />
<br />
<br />
'''Collaborations: J. Wang, T. Regrettier, O. Ibraikulov, N. Brouckaert'''<br />
|}<br />
<br />
The integration of organic semiconductor materials into liquid crystal optical modulators offers new functionalities to these devices. Indeed, these "hybrid" modulators have by construction a behavior sensitive to the incident light intensity and can therefore be used as photorefractive elements [1] or as dynamic glasses (similar to photochromic or electrochromic glasses, whose tint is adjustable ). <br><br />
In this context, we have recently proposed a new concept of dynamic glass, called PSLM (for "photovoltaic spatial light modulator") [2] (see principle diagram). The operation of a PSLM is energy self-sufficient, easily controllable by the user and benefits from a response time of less than one second. Our current work aims to increase the transparency in the "clear" state of PSLMs, to optimize their spectral response according to the targeted applications and to improve their manufacturing method (increase in size, robustness, etc.).<br />
<br />
<br />
[1] T. Regrettier, M. Kaczmarek, G. D'Alessandro, T. Heiser, "Integrated organic donor-acceptor bulk heterojunctions for self-activated liquid crystal light modulators.," Proc. SPIE 10735, Liquid Crystals XXII, 1073514 (14 September 2018) <br><br />
[2] T. Heiser, T. Regrettier, M. Kaczmarek, « Liquid Crystal Spatial Light Modulator », US 2020/0233248 A1<br />
<br />
<br />
[[File:Modulateur optique.png|center|700px]]<br />
<div class="center"> Diagram and photo of a stand-alone PSLM in (a) light (OFF) and (b) dark (ON) state under natural light.<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Photon conversion by downshifting or downconversion for solar cells==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
'''Persons involved: T. Fix, G. Ferblantier, A. Slaoui ''' <br><br />
<br />
<br />
'''Collaborations: IPVF, IPHC, IJL'''<br />
|}<br />
<br />
<br />
Several phenomena limit the efficiency of solar cells (c-Si, CIGS…), such as the thermalization of photons with energy higher than the bandgap or the low spectral response in the ultraviolet (window layers…). A possible solution is to better match the bandgaps to the solar spectrum by fabricating tandem solar cells. Another solution is to adapt the solar spectrum to the existing solar cell by converting ultraviolet photons towards the visible or near-infrared before being absorbed by the cell.<br />
Downshifting and downconversion consist in converting an ultraviolet photon into respectively 1 or 2 photons in the visible or near-infrared. We study several downshifting and downconversion systems, in the form of oxide thin films or polymers functionalized with coordination complexes. Our functionalized encapsulants with photon conversion by photoluminescence allow an increase of conversion efficiency from 13.5 to 14.3 % in CIGS solar cells. <br><br />
<br />
[1] [http://dx.doi.org/10.1002/pip.2785 Enhancement of silicon solar cells by downshifting with Eu and Tb coordination complexes], T. Fix, A. Nonat, D. Imbert, S. Di Pietro, M. Mazzanti, A. Slaoui and L. J. Charbonnière, Progress in Photovoltaics: Research and Applications 24, 1251 (2016)<br><br />
[2] [http://dx.doi.org/10.1002/adom.201600395 Enhancement of CIGS solar cells using europium complex as photon downshifter], A. Gavriluta, T. Fix, A. Nonat, M. Paire, A. Slaoui, L. J. Charbonnière, J.-F. Guillemoles, Adv. Opt. Mater. 4, 1846 (2016) <br />
<br />
<br />
[[File:Figure5-fix.jpg|center|700px]]<br />
<div class="center"> Impact of the Eu(tta)3(tppo)2 complex in an EVA polymer on CIGS solar cells.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
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<br />
== Emerging oxides as absorbers or transparent conductive oxides ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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''' Persons involved: T. Fix, G. Ferblantier, D. Muller, A. Slaoui ''' <br><br />
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<br />
'''Collaborations: IPCMS, Purdue University, University of Bologna, Tokyo University of Science'''<br />
|}<br />
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<br />
Transparent conductive oxides (TCOs) are present in many solar cell architectures. Research aims to improve these TCOs and avoid the use of Indium, scarce element present in ITO. <br><br />
As well, emerging oxide materials are developed for the role of photon absorber in solar cells. Inorganic photovoltaic technologies are mainly based on CdTe, amorphous Si and CuInxGa1-xSe2 (CIGS). A recent major breakthrough was demonstrated with perovskite halides, with conversion efficiencies higher than 20% using a small surface and not stabilized. Another path is the use of metal oxides based on abundant elements, generally stable and non-toxic. <br><br />
We use pulsed laser deposition (PLD) and sputtering to study novel oxide absorbers for solar cells. The oxides studied must have a bandgap low enough to be compatible with the solar spectrum. Examples of oxides investigated are LaVO3, Cu2O, KBiFe2O5, h-TbMnO3 and Bi2FeCrO6. For the latter, ferroelectricity can play an important role in the photovoltaic properties. <br />
<br />
<br />
[1] [http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives], R. Hoye*, J. Hidalgo, R. Jagt, J.-P. Correa-Baena, T. Fix*, J. MacManus-Driscoll*, Advanced Energy Materials, 2100499, pages 1-59 (2021)<br />
<br />
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[[File:Figure-oxydes1.jpg|center|700px]]<br />
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<div class="center"> Some oxides investigated as photovoltaic absorbers in the team.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
<br />
=== Ferroelectric solar cells===<br />
<br />
Ferroelectric materials are being considered for photovoltaic applications, after the demonstration of a conversion efficiency higher than 8% in a solar cell based on ferroelectrics, while only a limited number of researchers are into this field. <br><br />
In the case of a ferroelectric solar cell, there is no need of a p-n junction and the electric polarization from ferroelectricity is responsible for the charge separation. In particular, the double perovskite Bi2FeCrO6 presents the best conversion efficiency while BiFeO3 allows to obtain open circuit voltage of a few dozen volts. The current-voltage characteristics present a bistability in open circuit voltage as a function of the initial polarization voltage of the cell, allowing to obtain solar cells that are tunable with a voltage pulse.<br />
<br />
[[File:Figure oxydes2.jpg|center|700px]]<br />
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<div class="center"> (left) Pulsed laser deposition system for oxides in ICube. (right) Transmission electron microscopy cross-sectional image showing epitaxy of KBiFe2O5 on MgAl2O4 (001).<br />
</div><br />
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<br />
[2] [http://dx.doi.org/10.1021/acs.jpcc.7b10622 Band-gap tuning in ferroelectric Bi2FeCrO6 double perovskite thin films], A. Quattropani, D. Stoeffler, T. Fix, G. Schmerber, M. Lenertz, G. Versini, J. L. Rehspringer, A. Slaoui, A. Dinia and S. Colis, Journal of Physical Chemistry C 122, 1070 (2018)<br><br />
[3] [http://dx.doi.org/10.1016/j.jallcom.2021.160922 Insights on hexagonal TbMnO3 for optoelectronic applications: From powders to thin films], T. Fix, G. Schmerber, J.-L. Rehspringer, M. Rastei, S. Roques, J. Bartringer, A. Slaoui, Journal of Alloys and Compounds 883, 160922 (2021)<br />
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<br />
== Silicon clathrate films ==<br />
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{|style="color: #4392D8;" width="100%"<br />
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''' Persons involved: T. Fix, D. Muller, A. Slaoui ''' <br><br />
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'''Collaborations: IPCMS, INL'''<br />
|}<br />
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<br />
Common forms of elemental silicon (mono-, multi-crystalline and amorphous) play a foundational role in the field of electronics and the underlying technologies are well mastered. Silicon is an element that is abundant, stable and non-toxic. Silicon clathrates are an exotic form of silicon, discovered in 1965, based as in fullerenes on hollow spheres of various size. The synthesis of clathrates in the form of films is not well mastered and presents technological bottlenecks that we aim to solve (integration into functional devices). ICube is one of the few laboratories that can elaborate such material in the form of films. The electronic and optical properties of these clathrates are strongly different to the “standard” silicon as they can provide a direct bandgap (for type II clathrates), paving the way for novel applications in electronics, optoelectronics and photovoltaics. We have demonstrated by Spectroscopic Surface Photovoltage that type II clathrates are a semiconductor in itself, distinct from diamond silicon. Not only the size of the clathrates but also the presence of doping atoms can dramatically modify their properties. Ion implantation available at ICube is used to modify the properties of the clathrates. Applications in sodium-ion batteries are also emerging for these materials.<br />
<br />
<br />
[1] [https://doi.org/10.1021/acs.jpcc.0c02712 Silicon Clathrate Films for Photovoltaic Applications], T. Fix, R. Vollondat, A. Ameur, S. Roques, J.-L. Rehspringer, C. Chevalier, D. Muller, and A. Slaoui, J. Phys. Chem. C 124, 28, 14972–14977 (2020)<br />
[2] [https://doi.org/10.1016/j.jallcom.2022.163967 Synthesis and characterization of silicon clathrates of type I Na8Si46 and type II NaxSi136 by thermal decomposition], R. Vollondat, S. Roques, C. Chevalier, J. Bartringer, J.-L. Rehspringer, A. Slaoui, T. Fix, Journal of Alloys and Compounds 903, 163967 (2022)<br />
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[[File:Figure-clathrates.jpg|center|450px]]<br />
<div class="center"> (left) silicon clathrate film on c-Si (001) before and after press annealing. (right) schematics of type I and type II silicon clathrates.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
<br />
=Archives: old topics=<br />
<br />
<br />
== Towards the industrialization of organic photovoltaics ==<br />
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{|style="color: #4392D8;" width="100%"<br />
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''' Persons involved: P. Lévêque, T. Heiser, J. Wang, S. Fall''' <br><br />
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<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), M. Kohlstädt (FMF, Université de Freiburg), U. Würfel (Fraunhofer ISE).'''<br />
|}<br />
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An electron-donor polymer designed and synthesized at the Cronenbourg campus (PF2) gives high conversion efficiencies (about 10%) when mixed with the PC71BM electron acceptor. This project aims to demonstrate its industrial potential by developing several approaches: <br><br />
- Polymer production at the gram scale or more, <br><br />
- Avoid halogenated solvents for the wet deposition of the active layer,<br><br />
- Avoid rare materials (e.g. Indium) when making transparent conductive electrodes,<br><br />
- Go from laboratory scale (12 mm2) to large areas (> 60 cm2).<br />
<br />
<br />
[[File:Image6.png|center|700px]]<br />
<div class="center"> Structure of PF2 and PC71BM (top left), characteristics (J-V) under darkness and standard illumination (AM1.5G (100mW/cm2)) (top right) and corresponding photovoltaic parameters (bottom).<br />
</div><br />
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[[#bidule|Back to contents]]</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Materials_and_photovoltaic_components&diff=970
Materials and photovoltaic components
2023-02-27T08:21:48Z
<p>Steveler : /* Ternary mixtures for improved yield and/or stability */</p>
<hr />
<div>[[fr:Matériaux et composants photovoltaïques]]<br />
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<span id="bidule"> </span><br />
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Although the contribution of photovoltaics to the production of renewable energy is still largely due to the traditional crystalline silicon sector, many so-called "emerging" technologies are the subject of research projects around the world and aim to '''reduce the cost of photovoltaics''' and '''widen its field of application'''. In this context, the development of new thin-film materials with outstanding optical, electronic and mechanical properties plays a key role. Our team participates in these efforts by developing '''new inorganic and organic materials''', studying their '''fundamental properties''', and implementing them in the '''manufacturing of innovative photovoltaic components'''. <br />
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__TOC__<br />
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=Developed topics=<br />
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<br />
==Organic photovoltaic cells==<br />
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Organic solar cells are part of the emerging photovoltaic technologies whose very specific characteristics (flexibility, manufacturing at room temperature, semi-transparency, etc.) should make it possible to broaden the integration of photovoltaics in various fields. The team's activities are mainly aimed at improving photovoltaic conversion efficiency, the stability of organic cells and reducing the environmental impact of their manufacture. We also carry out more fundamental studies on the relationships between the molecular structure and the electronic or photovoltaic properties of new molecules. <br />
<br />
This work is carried out in close collaboration with the consortium [http://stelorg.unistra.fr/ STELORG], which brings together around fifteen researchers in chemistry, physico-chemistry and component physics from four Strasbourg research institutes, complementary skills. <br />
<br />
<!--avec le consortium [https://stelorg-dev.unistra.fr/ STELORG]--><br />
<br />
Our current research projects on this theme are illustrated by a few examples below.<br />
<br />
<br />
===Molecular structure and optoelectronic properties===<br />
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{|style="color: #4392D8;" width="100%"<br />
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'''Persons involved: T. Heiser, P. Lévêque, E. Martin, E. Steveler''' <br><br />
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<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), W. Uhring (ICube, SMH), Pascal Didier (LBP), [http://stelorg.unistra.fr/ STELORG].'''<br />
|}<br />
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<br />
The efficiency of organic photovoltaic (OPV) devices is currently limited by the short lifetime (< 1 ns) and short diffusion length (a few nm) of the photogenerated excitons. The development of organic materials with long diffusion lengths (typically > 10 nm) is therefore proving to be a particularly interesting way to improve charge transport and should lead to an improvement in OPV performance. In thin films, the dynamics of excitons and charge carriers, crucial for the operation of OPV devices, is controlled by intermolecular interactions and depend in a non-trivial way on the molecular organization in the solid state. <br><br />
<br />
In this context, we are studying families of organic molecules with different side chains and heat treatment conditions, allowing us to obtain molecular structures and various crystalline orders (liquid crystal, needles or crystalline grains...). We are thus studying the influence of molecular organization and self-assembly on the dynamics of excitons in order to improve the performance of OPV devices. [1,2] <br><br />
<br />
<br />
[1] J. Jing, E. Steveler, N. Leclerc, A. D'Aléo, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 12149, Organic Electronics and Photonics: Fundamentals and Devices III, 1214904 (2022).<br><br />
[2] J. Jing, E. Steveler, N. Leclerc, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 11365, Organic Electronics and Photonics: Fundamentals and Devices II; 113650F (2020).<br />
<br />
<br />
[[File:Image9.png|700px|center]]<br />
<div class="center"> Continuous-wave photoluminescence (PL) map for (left) amorphous and (middle) crystalline thin films. (right) Time-resolved PL spectra measured on amorphous and crystalline thin films.<br />
</div><br />
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<br />
An atomic-scale modelling activity of exciton diffusion in organic semiconductors has recently been initiated, using first-principles molecular dynamics, based on DFT, in order to strenghten the understanding issue from experiments on this phenomenon. <br />
<br />
<br />
The addition of a structuring platform (TAT)[1] on either side of an effective motif (TB2)[2] makes it possible to act on the molecular arrangement in the solid state to improve the dynamics of charge carriers and ultimately the conversion efficiency of organic solar cells.[3]<br />
<br />
<br />
[1] T. Bura, N. Leclerc, R. Bechara, P. Lévêque, T. Heiser, R. Ziessel, Adv. Energy Mater. 3 (2013) 1118. <br><br />
[2] T. Bura, N. Leclerc, S. Fall, P. Lévêque, P. Retailleau, S. Rihn, A. Mirloup, R. Ziessel, J. Am. Chem. Soc. 134 (2012) 17404.<br><br />
[3] N. Leclerc, I. Bulut, Q. Huaulmé, A. Mirloup, P. Chávez, S. Fall, A. Hébraud, S. Méry, B. Heinrich, T. Heiser, P. Lévêque ChemSusChem. 10 (2017) 1878. <br><br />
<br />
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[[File:ImageTAT-TB2.png|center|700px]]<br />
<div class="center"> Structure of TAT-TB2-TAT and self-assembly corresponding to the solid state.<br />
</div><br />
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[[File:ImageTAT-TB2(2).png|center|500px]]<br />
<div class="center"> Evolution of charge carrier recombination as a function of molecular structure (with or without TAT), measured by transient photo-voltage and charge extraction techniques.<br />
</div><br />
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===Research of alternative, non-toxic solvents, by reverse engineering ===<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: T. Heiser, P. Lévêque''' <br><br />
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'''Collaborations: Sophie Thibaud-Roux, Ivonne Rodrigues-Donis et Vincent Gerbaud, ENSIACET (Toulouse), [http://stelorg.unistra.fr/ STELORG]'''<br />
|}<br />
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The toxicity of halogenated solvents usually used to solubilize 𝜋-conjugated materials is a major obstacle to the industrialization of organic photovoltaic modules. As a result, the search for alternative solvents, less toxic and potentially biosourced, is today an important issue for the organic sector. In this context, we have recently shown that '''reverse molecular engineering''', which consists in identifying by numerical means solvents presenting a set of target properties, is a promising approach. In collaboration with the teams of Sophie Thibaud-Roux, Ivonne Rodrigues-Donis and Vincent Gerbaud from ENSIACET in Toulouse, we were able to apply the computer-aided design tool, IBSS®, developed by V. Gerbaud, to the problem solvents. <br><br />
<br />
This methodology allowed us in particular to identify several alternative solvents for the manufacture of solar cells based on poly(3-hexylthiophene), a reference organic polymer, without loss of performance.<br />
<br />
<br />
Jing Wang, Ivonne Rodriguez-Donis, Sophie Thiebaud-Roux, Olzhas A. Ibraaikulov, Nicolas Leclerc, Patrick Lévêque, Vincent Gervaud, Markus Kohlstädt, Thomas Heiser, Molecular Systems Design & Engineering, 7 (2022) 182<br />
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[[File:Cellules solaires Solvants.png|center|700px]]<br />
<div class="center"> Performance of P3HT:EH-IDTBR-based solar cells as a function of the solvent used for fabrication.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
=== Ternary mixtures for improved yield and/or stability ===<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: P. Lévêque, T. Heiser, S. Fall''' <br><br />
<br />
<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), F. Zhang (University Jiaotong of Beijing), [http://stelorg.unistra.fr/ STELORG].'''<br />
|}<br />
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<br />
Study ternary mixtures in the active layer to increase the photovoltaic conversion efficiency and/or device stability. Starting from an electron donor polymer (PF2), synthesized within the Strasbourg consortium [http://stelorg.unistra.fr/ STELORG], conversion yields greater than 12% were obtained by using two electron donor polymers (PF2 and J71) and an electron acceptor. underived fullerene (Y6) electrons from complementary absorption spectra. [1] By using an electron donor polymer (PF2) and two acceptors (PC71BM and EH-IDTBR), good stability under illumination was observed. A better understanding of the influence of ternary mixtures in terms of solid-state structure and tuning of electronic boundary levels is a lock to be lifted in order to jointly obtain high yields and sufficient stability.<br />
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<br />
[1] X. Ma , Q. An , O. Ibraikulov, P. Lévêque, T. Heiser, N. Leclerc , X. Zhang , F. Zhang, Journal of Materials Chemistry A, 8 (2020) pages 1265.<br />
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[[File:Image7.png|center]]<br />
<div class="center"> Structure of PF2, J71 and Y6 (left), complementarity of absorption spectra (middle) and boundary levels (right).<br />
</div><br />
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[[File:Image8(bis).png|center]]<br />
<div class="center"> Structure of PF2, PC71BM and EH-IDTBR (left), characteristics (J-V) under standard illumination of PF2:PC71BM:EH-IDTBR mixtures measured before and after photo-degradation (right).<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
===Organic photovoltaics for “indoor” applications===<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: P. Lévêque, S. Fall ''' <br><br />
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'''Collaborations: V. Frick (SMH ICube)'''<br />
|}<br />
<br />
Organic photovoltaic cells absorb particularly in the wavelength range of artificial lighting and often see their efficiency increase when the illumination decreases. The purpose of this theme is to show the potential of organic solar cells to power connected objects located inside buildings. Electronics allowing sober energy management have been developed specifically for this application.<br />
<br />
<br />
[[File:OPV indoor.png|center|700px]]<br />
<div class="center"> Evolution of conversion efficiency as a function of light power for neutral filtering from an AM1.5G spectrum (100 mW/cm2) (left). Curve (J-V) corresponding to standard illumination conditions (right). <br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
==Photovoltaic optical modulators based on liquid crystals and organic semiconductors==<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: T. Heiser, S. Fall, Y. Lin ''' <br><br />
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'''Collaborations: J. Wang, T. Regrettier, O. Ibraikulov, N. Brouckaert'''<br />
|}<br />
<br />
The integration of organic semiconductor materials into liquid crystal optical modulators offers new functionalities to these devices. Indeed, these "hybrid" modulators have by construction a behavior sensitive to the incident light intensity and can therefore be used as photorefractive elements [1] or as dynamic glasses (similar to photochromic or electrochromic glasses, whose tint is adjustable ). <br><br />
In this context, we have recently proposed a new concept of dynamic glass, called PSLM (for "photovoltaic spatial light modulator") [2] (see principle diagram). The operation of a PSLM is energy self-sufficient, easily controllable by the user and benefits from a response time of less than one second. Our current work aims to increase the transparency in the "clear" state of PSLMs, to optimize their spectral response according to the targeted applications and to improve their manufacturing method (increase in size, robustness, etc.).<br />
<br />
<br />
[1] T. Regrettier, M. Kaczmarek, G. D'Alessandro, T. Heiser, "Integrated organic donor-acceptor bulk heterojunctions for self-activated liquid crystal light modulators.," Proc. SPIE 10735, Liquid Crystals XXII, 1073514 (14 September 2018) <br><br />
[2] T. Heiser, T. Regrettier, M. Kaczmarek, « Liquid Crystal Spatial Light Modulator », US 2020/0233248 A1<br />
<br />
<br />
[[File:Modulateur optique.png|center|700px]]<br />
<div class="center"> Diagram and photo of a stand-alone PSLM in (a) light (OFF) and (b) dark (ON) state under natural light.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
<br />
== Photon conversion by downshifting or downconversion for solar cells==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
'''Persons involved: T. Fix, G. Ferblantier, A. Slaoui ''' <br><br />
<br />
<br />
'''Collaborations: IPVF, IPHC, IJL'''<br />
|}<br />
<br />
<br />
Several phenomena limit the efficiency of solar cells (c-Si, CIGS…), such as the thermalization of photons with energy higher than the bandgap or the low spectral response in the ultraviolet (window layers…). A possible solution is to better match the bandgaps to the solar spectrum by fabricating tandem solar cells. Another solution is to adapt the solar spectrum to the existing solar cell by converting ultraviolet photons towards the visible or near-infrared before being absorbed by the cell.<br />
Downshifting and downconversion consist in converting an ultraviolet photon into respectively 1 or 2 photons in the visible or near-infrared. We study several downshifting and downconversion systems, in the form of oxide thin films or polymers functionalized with coordination complexes. Our functionalized encapsulants with photon conversion by photoluminescence allow an increase of conversion efficiency from 13.5 to 14.3 % in CIGS solar cells. <br><br />
<br />
[1] [http://dx.doi.org/10.1002/pip.2785 Enhancement of silicon solar cells by downshifting with Eu and Tb coordination complexes], T. Fix, A. Nonat, D. Imbert, S. Di Pietro, M. Mazzanti, A. Slaoui and L. J. Charbonnière, Progress in Photovoltaics: Research and Applications 24, 1251 (2016)<br><br />
[2] [http://dx.doi.org/10.1002/adom.201600395 Enhancement of CIGS solar cells using europium complex as photon downshifter], A. Gavriluta, T. Fix, A. Nonat, M. Paire, A. Slaoui, L. J. Charbonnière, J.-F. Guillemoles, Adv. Opt. Mater. 4, 1846 (2016) <br />
<br />
<br />
[[File:Figure5-fix.jpg|center|700px]]<br />
<div class="center"> Impact of the Eu(tta)3(tppo)2 complex in an EVA polymer on CIGS solar cells.<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Emerging oxides as absorbers or transparent conductive oxides ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: T. Fix, G. Ferblantier, D. Muller, A. Slaoui ''' <br><br />
<br />
<br />
'''Collaborations: IPCMS, Purdue University, University of Bologna, Tokyo University of Science'''<br />
|}<br />
<br />
<br />
Transparent conductive oxides (TCOs) are present in many solar cell architectures. Research aims to improve these TCOs and avoid the use of Indium, scarce element present in ITO. <br><br />
As well, emerging oxide materials are developed for the role of photon absorber in solar cells. Inorganic photovoltaic technologies are mainly based on CdTe, amorphous Si and CuInxGa1-xSe2 (CIGS). A recent major breakthrough was demonstrated with perovskite halides, with conversion efficiencies higher than 20% using a small surface and not stabilized. Another path is the use of metal oxides based on abundant elements, generally stable and non-toxic. <br><br />
We use pulsed laser deposition (PLD) and sputtering to study novel oxide absorbers for solar cells. The oxides studied must have a bandgap low enough to be compatible with the solar spectrum. Examples of oxides investigated are LaVO3, Cu2O, KBiFe2O5, h-TbMnO3 and Bi2FeCrO6. For the latter, ferroelectricity can play an important role in the photovoltaic properties. <br />
<br />
<br />
[1] [http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives], R. Hoye*, J. Hidalgo, R. Jagt, J.-P. Correa-Baena, T. Fix*, J. MacManus-Driscoll*, Advanced Energy Materials, 2100499, pages 1-59 (2021)<br />
<br />
<br />
[[File:Figure-oxydes1.jpg|center|700px]]<br />
<br />
<div class="center"> Some oxides investigated as photovoltaic absorbers in the team.<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
=== Ferroelectric solar cells===<br />
<br />
Ferroelectric materials are being considered for photovoltaic applications, after the demonstration of a conversion efficiency higher than 8% in a solar cell based on ferroelectrics, while only a limited number of researchers are into this field. <br><br />
In the case of a ferroelectric solar cell, there is no need of a p-n junction and the electric polarization from ferroelectricity is responsible for the charge separation. In particular, the double perovskite Bi2FeCrO6 presents the best conversion efficiency while BiFeO3 allows to obtain open circuit voltage of a few dozen volts. The current-voltage characteristics present a bistability in open circuit voltage as a function of the initial polarization voltage of the cell, allowing to obtain solar cells that are tunable with a voltage pulse.<br />
<br />
[[File:Figure oxydes2.jpg|center|700px]]<br />
<br />
<br />
<div class="center"> (left) Pulsed laser deposition system for oxides in ICube. (right) Transmission electron microscopy cross-sectional image showing epitaxy of KBiFe2O5 on MgAl2O4 (001).<br />
</div><br />
<br />
<br />
[2] [http://dx.doi.org/10.1021/acs.jpcc.7b10622 Band-gap tuning in ferroelectric Bi2FeCrO6 double perovskite thin films], A. Quattropani, D. Stoeffler, T. Fix, G. Schmerber, M. Lenertz, G. Versini, J. L. Rehspringer, A. Slaoui, A. Dinia and S. Colis, Journal of Physical Chemistry C 122, 1070 (2018)<br><br />
[3] [http://dx.doi.org/10.1016/j.jallcom.2021.160922 Insights on hexagonal TbMnO3 for optoelectronic applications: From powders to thin films], T. Fix, G. Schmerber, J.-L. Rehspringer, M. Rastei, S. Roques, J. Bartringer, A. Slaoui, Journal of Alloys and Compounds 883, 160922 (2021)<br />
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[[#bidule|Back to contents]]<br />
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<br />
== Silicon clathrate films ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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''' Persons involved: T. Fix, D. Muller, A. Slaoui ''' <br><br />
<br />
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'''Collaborations: IPCMS, INL'''<br />
|}<br />
<br />
<br />
Common forms of elemental silicon (mono-, multi-crystalline and amorphous) play a foundational role in the field of electronics and the underlying technologies are well mastered. Silicon is an element that is abundant, stable and non-toxic. Silicon clathrates are an exotic form of silicon, discovered in 1965, based as in fullerenes on hollow spheres of various size. The synthesis of clathrates in the form of films is not well mastered and presents technological bottlenecks that we aim to solve (integration into functional devices). ICube is one of the few laboratories that can elaborate such material in the form of films. The electronic and optical properties of these clathrates are strongly different to the “standard” silicon as they can provide a direct bandgap (for type II clathrates), paving the way for novel applications in electronics, optoelectronics and photovoltaics. We have demonstrated by Spectroscopic Surface Photovoltage that type II clathrates are a semiconductor in itself, distinct from diamond silicon. Not only the size of the clathrates but also the presence of doping atoms can dramatically modify their properties. Ion implantation available at ICube is used to modify the properties of the clathrates. Applications in sodium-ion batteries are also emerging for these materials.<br />
<br />
<br />
[1] [https://doi.org/10.1021/acs.jpcc.0c02712 Silicon Clathrate Films for Photovoltaic Applications], T. Fix, R. Vollondat, A. Ameur, S. Roques, J.-L. Rehspringer, C. Chevalier, D. Muller, and A. Slaoui, J. Phys. Chem. C 124, 28, 14972–14977 (2020)<br />
[2] [https://doi.org/10.1016/j.jallcom.2022.163967 Synthesis and characterization of silicon clathrates of type I Na8Si46 and type II NaxSi136 by thermal decomposition], R. Vollondat, S. Roques, C. Chevalier, J. Bartringer, J.-L. Rehspringer, A. Slaoui, T. Fix, Journal of Alloys and Compounds 903, 163967 (2022)<br />
<br />
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[[File:Figure-clathrates.jpg|center|450px]]<br />
<div class="center"> (left) silicon clathrate film on c-Si (001) before and after press annealing. (right) schematics of type I and type II silicon clathrates.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
<br />
=Archives: old topics=<br />
<br />
<br />
== Towards the industrialization of organic photovoltaics ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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''' Persons involved: P. Lévêque, T. Heiser, J. Wang, S. Fall''' <br><br />
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<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), M. Kohlstädt (FMF, Université de Freiburg), U. Würfel (Fraunhofer ISE).'''<br />
|}<br />
<br />
An electron-donor polymer designed and synthesized at the Cronenbourg campus (PF2) gives high conversion efficiencies (about 10%) when mixed with the PC71BM electron acceptor. This project aims to demonstrate its industrial potential by developing several approaches: <br><br />
- Polymer production at the gram scale or more, <br><br />
- Avoid halogenated solvents for the wet deposition of the active layer,<br><br />
- Avoid rare materials (e.g. Indium) when making transparent conductive electrodes,<br><br />
- Go from laboratory scale (12 mm2) to large areas (> 60 cm2).<br />
<br />
<br />
[[File:Image6.png|center|700px]]<br />
<div class="center"> Structure of PF2 and PC71BM (top left), characteristics (J-V) under darkness and standard illumination (AM1.5G (100mW/cm2)) (top right) and corresponding photovoltaic parameters (bottom).<br />
</div><br />
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[[#bidule|Back to contents]]</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Materials_and_photovoltaic_components&diff=969
Materials and photovoltaic components
2023-02-27T08:21:18Z
<p>Steveler : /* Ternary mixtures for improved yield and/or stability */</p>
<hr />
<div>[[fr:Matériaux et composants photovoltaïques]]<br />
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<span id="bidule"> </span><br />
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Although the contribution of photovoltaics to the production of renewable energy is still largely due to the traditional crystalline silicon sector, many so-called "emerging" technologies are the subject of research projects around the world and aim to '''reduce the cost of photovoltaics''' and '''widen its field of application'''. In this context, the development of new thin-film materials with outstanding optical, electronic and mechanical properties plays a key role. Our team participates in these efforts by developing '''new inorganic and organic materials''', studying their '''fundamental properties''', and implementing them in the '''manufacturing of innovative photovoltaic components'''. <br />
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__TOC__<br />
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=Developed topics=<br />
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<br />
==Organic photovoltaic cells==<br />
<br />
<br />
Organic solar cells are part of the emerging photovoltaic technologies whose very specific characteristics (flexibility, manufacturing at room temperature, semi-transparency, etc.) should make it possible to broaden the integration of photovoltaics in various fields. The team's activities are mainly aimed at improving photovoltaic conversion efficiency, the stability of organic cells and reducing the environmental impact of their manufacture. We also carry out more fundamental studies on the relationships between the molecular structure and the electronic or photovoltaic properties of new molecules. <br />
<br />
This work is carried out in close collaboration with the consortium [http://stelorg.unistra.fr/ STELORG], which brings together around fifteen researchers in chemistry, physico-chemistry and component physics from four Strasbourg research institutes, complementary skills. <br />
<br />
<!--avec le consortium [https://stelorg-dev.unistra.fr/ STELORG]--><br />
<br />
Our current research projects on this theme are illustrated by a few examples below.<br />
<br />
<br />
===Molecular structure and optoelectronic properties===<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: T. Heiser, P. Lévêque, E. Martin, E. Steveler''' <br><br />
<br />
<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), W. Uhring (ICube, SMH), Pascal Didier (LBP), [http://stelorg.unistra.fr/ STELORG].'''<br />
|}<br />
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<br />
The efficiency of organic photovoltaic (OPV) devices is currently limited by the short lifetime (< 1 ns) and short diffusion length (a few nm) of the photogenerated excitons. The development of organic materials with long diffusion lengths (typically > 10 nm) is therefore proving to be a particularly interesting way to improve charge transport and should lead to an improvement in OPV performance. In thin films, the dynamics of excitons and charge carriers, crucial for the operation of OPV devices, is controlled by intermolecular interactions and depend in a non-trivial way on the molecular organization in the solid state. <br><br />
<br />
In this context, we are studying families of organic molecules with different side chains and heat treatment conditions, allowing us to obtain molecular structures and various crystalline orders (liquid crystal, needles or crystalline grains...). We are thus studying the influence of molecular organization and self-assembly on the dynamics of excitons in order to improve the performance of OPV devices. [1,2] <br><br />
<br />
<br />
[1] J. Jing, E. Steveler, N. Leclerc, A. D'Aléo, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 12149, Organic Electronics and Photonics: Fundamentals and Devices III, 1214904 (2022).<br><br />
[2] J. Jing, E. Steveler, N. Leclerc, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 11365, Organic Electronics and Photonics: Fundamentals and Devices II; 113650F (2020).<br />
<br />
<br />
[[File:Image9.png|700px|center]]<br />
<div class="center"> Continuous-wave photoluminescence (PL) map for (left) amorphous and (middle) crystalline thin films. (right) Time-resolved PL spectra measured on amorphous and crystalline thin films.<br />
</div><br />
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<br />
An atomic-scale modelling activity of exciton diffusion in organic semiconductors has recently been initiated, using first-principles molecular dynamics, based on DFT, in order to strenghten the understanding issue from experiments on this phenomenon. <br />
<br />
<br />
The addition of a structuring platform (TAT)[1] on either side of an effective motif (TB2)[2] makes it possible to act on the molecular arrangement in the solid state to improve the dynamics of charge carriers and ultimately the conversion efficiency of organic solar cells.[3]<br />
<br />
<br />
[1] T. Bura, N. Leclerc, R. Bechara, P. Lévêque, T. Heiser, R. Ziessel, Adv. Energy Mater. 3 (2013) 1118. <br><br />
[2] T. Bura, N. Leclerc, S. Fall, P. Lévêque, P. Retailleau, S. Rihn, A. Mirloup, R. Ziessel, J. Am. Chem. Soc. 134 (2012) 17404.<br><br />
[3] N. Leclerc, I. Bulut, Q. Huaulmé, A. Mirloup, P. Chávez, S. Fall, A. Hébraud, S. Méry, B. Heinrich, T. Heiser, P. Lévêque ChemSusChem. 10 (2017) 1878. <br><br />
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[[File:ImageTAT-TB2.png|center|700px]]<br />
<div class="center"> Structure of TAT-TB2-TAT and self-assembly corresponding to the solid state.<br />
</div><br />
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[[File:ImageTAT-TB2(2).png|center|500px]]<br />
<div class="center"> Evolution of charge carrier recombination as a function of molecular structure (with or without TAT), measured by transient photo-voltage and charge extraction techniques.<br />
</div><br />
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===Research of alternative, non-toxic solvents, by reverse engineering ===<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: T. Heiser, P. Lévêque''' <br><br />
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'''Collaborations: Sophie Thibaud-Roux, Ivonne Rodrigues-Donis et Vincent Gerbaud, ENSIACET (Toulouse), [http://stelorg.unistra.fr/ STELORG]'''<br />
|}<br />
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The toxicity of halogenated solvents usually used to solubilize 𝜋-conjugated materials is a major obstacle to the industrialization of organic photovoltaic modules. As a result, the search for alternative solvents, less toxic and potentially biosourced, is today an important issue for the organic sector. In this context, we have recently shown that '''reverse molecular engineering''', which consists in identifying by numerical means solvents presenting a set of target properties, is a promising approach. In collaboration with the teams of Sophie Thibaud-Roux, Ivonne Rodrigues-Donis and Vincent Gerbaud from ENSIACET in Toulouse, we were able to apply the computer-aided design tool, IBSS®, developed by V. Gerbaud, to the problem solvents. <br><br />
<br />
This methodology allowed us in particular to identify several alternative solvents for the manufacture of solar cells based on poly(3-hexylthiophene), a reference organic polymer, without loss of performance.<br />
<br />
<br />
Jing Wang, Ivonne Rodriguez-Donis, Sophie Thiebaud-Roux, Olzhas A. Ibraaikulov, Nicolas Leclerc, Patrick Lévêque, Vincent Gervaud, Markus Kohlstädt, Thomas Heiser, Molecular Systems Design & Engineering, 7 (2022) 182<br />
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[[File:Cellules solaires Solvants.png|center|700px]]<br />
<div class="center"> Performance of P3HT:EH-IDTBR-based solar cells as a function of the solvent used for fabrication.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
=== Ternary mixtures for improved yield and/or stability ===<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: P. Lévêque, T. Heiser, S. Fall''' <br><br />
<br />
<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), F. Zhang (University Jiaotong of Beijing), [http://stelorg.unistra.fr/ STELORG].'''<br />
|}<br />
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<br />
Study ternary mixtures in the active layer to increase the photovoltaic conversion efficiency and/or device stability. Starting from an electron donor polymer (PF2), synthesized within the Strasbourg consortium STELORG, conversion yields greater than 12% were obtained by using two electron donor polymers (PF2 and J71) and an electron acceptor. underived fullerene (Y6) electrons from complementary absorption spectra. [1] By using an electron donor polymer (PF2) and two acceptors (PC71BM and EH-IDTBR), good stability under illumination was observed. A better understanding of the influence of ternary mixtures in terms of solid-state structure and tuning of electronic boundary levels is a lock to be lifted in order to jointly obtain high yields and sufficient stability.<br />
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<br />
[1] X. Ma , Q. An , O. Ibraikulov, P. Lévêque, T. Heiser, N. Leclerc , X. Zhang , F. Zhang, Journal of Materials Chemistry A, 8 (2020) pages 1265.<br />
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[[File:Image7.png|center]]<br />
<div class="center"> Structure of PF2, J71 and Y6 (left), complementarity of absorption spectra (middle) and boundary levels (right).<br />
</div><br />
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[[File:Image8(bis).png|center]]<br />
<div class="center"> Structure of PF2, PC71BM and EH-IDTBR (left), characteristics (J-V) under standard illumination of PF2:PC71BM:EH-IDTBR mixtures measured before and after photo-degradation (right).<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
===Organic photovoltaics for “indoor” applications===<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: P. Lévêque, S. Fall ''' <br><br />
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'''Collaborations: V. Frick (SMH ICube)'''<br />
|}<br />
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Organic photovoltaic cells absorb particularly in the wavelength range of artificial lighting and often see their efficiency increase when the illumination decreases. The purpose of this theme is to show the potential of organic solar cells to power connected objects located inside buildings. Electronics allowing sober energy management have been developed specifically for this application.<br />
<br />
<br />
[[File:OPV indoor.png|center|700px]]<br />
<div class="center"> Evolution of conversion efficiency as a function of light power for neutral filtering from an AM1.5G spectrum (100 mW/cm2) (left). Curve (J-V) corresponding to standard illumination conditions (right). <br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
==Photovoltaic optical modulators based on liquid crystals and organic semiconductors==<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: T. Heiser, S. Fall, Y. Lin ''' <br><br />
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<br />
'''Collaborations: J. Wang, T. Regrettier, O. Ibraikulov, N. Brouckaert'''<br />
|}<br />
<br />
The integration of organic semiconductor materials into liquid crystal optical modulators offers new functionalities to these devices. Indeed, these "hybrid" modulators have by construction a behavior sensitive to the incident light intensity and can therefore be used as photorefractive elements [1] or as dynamic glasses (similar to photochromic or electrochromic glasses, whose tint is adjustable ). <br><br />
In this context, we have recently proposed a new concept of dynamic glass, called PSLM (for "photovoltaic spatial light modulator") [2] (see principle diagram). The operation of a PSLM is energy self-sufficient, easily controllable by the user and benefits from a response time of less than one second. Our current work aims to increase the transparency in the "clear" state of PSLMs, to optimize their spectral response according to the targeted applications and to improve their manufacturing method (increase in size, robustness, etc.).<br />
<br />
<br />
[1] T. Regrettier, M. Kaczmarek, G. D'Alessandro, T. Heiser, "Integrated organic donor-acceptor bulk heterojunctions for self-activated liquid crystal light modulators.," Proc. SPIE 10735, Liquid Crystals XXII, 1073514 (14 September 2018) <br><br />
[2] T. Heiser, T. Regrettier, M. Kaczmarek, « Liquid Crystal Spatial Light Modulator », US 2020/0233248 A1<br />
<br />
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[[File:Modulateur optique.png|center|700px]]<br />
<div class="center"> Diagram and photo of a stand-alone PSLM in (a) light (OFF) and (b) dark (ON) state under natural light.<br />
</div><br />
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<br />
<br />
== Photon conversion by downshifting or downconversion for solar cells==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: T. Fix, G. Ferblantier, A. Slaoui ''' <br><br />
<br />
<br />
'''Collaborations: IPVF, IPHC, IJL'''<br />
|}<br />
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<br />
Several phenomena limit the efficiency of solar cells (c-Si, CIGS…), such as the thermalization of photons with energy higher than the bandgap or the low spectral response in the ultraviolet (window layers…). A possible solution is to better match the bandgaps to the solar spectrum by fabricating tandem solar cells. Another solution is to adapt the solar spectrum to the existing solar cell by converting ultraviolet photons towards the visible or near-infrared before being absorbed by the cell.<br />
Downshifting and downconversion consist in converting an ultraviolet photon into respectively 1 or 2 photons in the visible or near-infrared. We study several downshifting and downconversion systems, in the form of oxide thin films or polymers functionalized with coordination complexes. Our functionalized encapsulants with photon conversion by photoluminescence allow an increase of conversion efficiency from 13.5 to 14.3 % in CIGS solar cells. <br><br />
<br />
[1] [http://dx.doi.org/10.1002/pip.2785 Enhancement of silicon solar cells by downshifting with Eu and Tb coordination complexes], T. Fix, A. Nonat, D. Imbert, S. Di Pietro, M. Mazzanti, A. Slaoui and L. J. Charbonnière, Progress in Photovoltaics: Research and Applications 24, 1251 (2016)<br><br />
[2] [http://dx.doi.org/10.1002/adom.201600395 Enhancement of CIGS solar cells using europium complex as photon downshifter], A. Gavriluta, T. Fix, A. Nonat, M. Paire, A. Slaoui, L. J. Charbonnière, J.-F. Guillemoles, Adv. Opt. Mater. 4, 1846 (2016) <br />
<br />
<br />
[[File:Figure5-fix.jpg|center|700px]]<br />
<div class="center"> Impact of the Eu(tta)3(tppo)2 complex in an EVA polymer on CIGS solar cells.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
<br />
<br />
== Emerging oxides as absorbers or transparent conductive oxides ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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''' Persons involved: T. Fix, G. Ferblantier, D. Muller, A. Slaoui ''' <br><br />
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<br />
'''Collaborations: IPCMS, Purdue University, University of Bologna, Tokyo University of Science'''<br />
|}<br />
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<br />
Transparent conductive oxides (TCOs) are present in many solar cell architectures. Research aims to improve these TCOs and avoid the use of Indium, scarce element present in ITO. <br><br />
As well, emerging oxide materials are developed for the role of photon absorber in solar cells. Inorganic photovoltaic technologies are mainly based on CdTe, amorphous Si and CuInxGa1-xSe2 (CIGS). A recent major breakthrough was demonstrated with perovskite halides, with conversion efficiencies higher than 20% using a small surface and not stabilized. Another path is the use of metal oxides based on abundant elements, generally stable and non-toxic. <br><br />
We use pulsed laser deposition (PLD) and sputtering to study novel oxide absorbers for solar cells. The oxides studied must have a bandgap low enough to be compatible with the solar spectrum. Examples of oxides investigated are LaVO3, Cu2O, KBiFe2O5, h-TbMnO3 and Bi2FeCrO6. For the latter, ferroelectricity can play an important role in the photovoltaic properties. <br />
<br />
<br />
[1] [http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives], R. Hoye*, J. Hidalgo, R. Jagt, J.-P. Correa-Baena, T. Fix*, J. MacManus-Driscoll*, Advanced Energy Materials, 2100499, pages 1-59 (2021)<br />
<br />
<br />
[[File:Figure-oxydes1.jpg|center|700px]]<br />
<br />
<div class="center"> Some oxides investigated as photovoltaic absorbers in the team.<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
=== Ferroelectric solar cells===<br />
<br />
Ferroelectric materials are being considered for photovoltaic applications, after the demonstration of a conversion efficiency higher than 8% in a solar cell based on ferroelectrics, while only a limited number of researchers are into this field. <br><br />
In the case of a ferroelectric solar cell, there is no need of a p-n junction and the electric polarization from ferroelectricity is responsible for the charge separation. In particular, the double perovskite Bi2FeCrO6 presents the best conversion efficiency while BiFeO3 allows to obtain open circuit voltage of a few dozen volts. The current-voltage characteristics present a bistability in open circuit voltage as a function of the initial polarization voltage of the cell, allowing to obtain solar cells that are tunable with a voltage pulse.<br />
<br />
[[File:Figure oxydes2.jpg|center|700px]]<br />
<br />
<br />
<div class="center"> (left) Pulsed laser deposition system for oxides in ICube. (right) Transmission electron microscopy cross-sectional image showing epitaxy of KBiFe2O5 on MgAl2O4 (001).<br />
</div><br />
<br />
<br />
[2] [http://dx.doi.org/10.1021/acs.jpcc.7b10622 Band-gap tuning in ferroelectric Bi2FeCrO6 double perovskite thin films], A. Quattropani, D. Stoeffler, T. Fix, G. Schmerber, M. Lenertz, G. Versini, J. L. Rehspringer, A. Slaoui, A. Dinia and S. Colis, Journal of Physical Chemistry C 122, 1070 (2018)<br><br />
[3] [http://dx.doi.org/10.1016/j.jallcom.2021.160922 Insights on hexagonal TbMnO3 for optoelectronic applications: From powders to thin films], T. Fix, G. Schmerber, J.-L. Rehspringer, M. Rastei, S. Roques, J. Bartringer, A. Slaoui, Journal of Alloys and Compounds 883, 160922 (2021)<br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Silicon clathrate films ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: T. Fix, D. Muller, A. Slaoui ''' <br><br />
<br />
<br />
'''Collaborations: IPCMS, INL'''<br />
|}<br />
<br />
<br />
Common forms of elemental silicon (mono-, multi-crystalline and amorphous) play a foundational role in the field of electronics and the underlying technologies are well mastered. Silicon is an element that is abundant, stable and non-toxic. Silicon clathrates are an exotic form of silicon, discovered in 1965, based as in fullerenes on hollow spheres of various size. The synthesis of clathrates in the form of films is not well mastered and presents technological bottlenecks that we aim to solve (integration into functional devices). ICube is one of the few laboratories that can elaborate such material in the form of films. The electronic and optical properties of these clathrates are strongly different to the “standard” silicon as they can provide a direct bandgap (for type II clathrates), paving the way for novel applications in electronics, optoelectronics and photovoltaics. We have demonstrated by Spectroscopic Surface Photovoltage that type II clathrates are a semiconductor in itself, distinct from diamond silicon. Not only the size of the clathrates but also the presence of doping atoms can dramatically modify their properties. Ion implantation available at ICube is used to modify the properties of the clathrates. Applications in sodium-ion batteries are also emerging for these materials.<br />
<br />
<br />
[1] [https://doi.org/10.1021/acs.jpcc.0c02712 Silicon Clathrate Films for Photovoltaic Applications], T. Fix, R. Vollondat, A. Ameur, S. Roques, J.-L. Rehspringer, C. Chevalier, D. Muller, and A. Slaoui, J. Phys. Chem. C 124, 28, 14972–14977 (2020)<br />
[2] [https://doi.org/10.1016/j.jallcom.2022.163967 Synthesis and characterization of silicon clathrates of type I Na8Si46 and type II NaxSi136 by thermal decomposition], R. Vollondat, S. Roques, C. Chevalier, J. Bartringer, J.-L. Rehspringer, A. Slaoui, T. Fix, Journal of Alloys and Compounds 903, 163967 (2022)<br />
<br />
<br />
[[File:Figure-clathrates.jpg|center|450px]]<br />
<div class="center"> (left) silicon clathrate film on c-Si (001) before and after press annealing. (right) schematics of type I and type II silicon clathrates.<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
=Archives: old topics=<br />
<br />
<br />
== Towards the industrialization of organic photovoltaics ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: P. Lévêque, T. Heiser, J. Wang, S. Fall''' <br><br />
<br />
<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), M. Kohlstädt (FMF, Université de Freiburg), U. Würfel (Fraunhofer ISE).'''<br />
|}<br />
<br />
An electron-donor polymer designed and synthesized at the Cronenbourg campus (PF2) gives high conversion efficiencies (about 10%) when mixed with the PC71BM electron acceptor. This project aims to demonstrate its industrial potential by developing several approaches: <br><br />
- Polymer production at the gram scale or more, <br><br />
- Avoid halogenated solvents for the wet deposition of the active layer,<br><br />
- Avoid rare materials (e.g. Indium) when making transparent conductive electrodes,<br><br />
- Go from laboratory scale (12 mm2) to large areas (> 60 cm2).<br />
<br />
<br />
[[File:Image6.png|center|700px]]<br />
<div class="center"> Structure of PF2 and PC71BM (top left), characteristics (J-V) under darkness and standard illumination (AM1.5G (100mW/cm2)) (top right) and corresponding photovoltaic parameters (bottom).<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Materials_and_photovoltaic_components&diff=968
Materials and photovoltaic components
2023-02-27T08:21:02Z
<p>Steveler : /* Research of alternative, non-toxic solvents, by reverse engineering */</p>
<hr />
<div>[[fr:Matériaux et composants photovoltaïques]]<br />
<br />
<span id="bidule"> </span><br />
<br />
Although the contribution of photovoltaics to the production of renewable energy is still largely due to the traditional crystalline silicon sector, many so-called "emerging" technologies are the subject of research projects around the world and aim to '''reduce the cost of photovoltaics''' and '''widen its field of application'''. In this context, the development of new thin-film materials with outstanding optical, electronic and mechanical properties plays a key role. Our team participates in these efforts by developing '''new inorganic and organic materials''', studying their '''fundamental properties''', and implementing them in the '''manufacturing of innovative photovoltaic components'''. <br />
<br />
<br />
__TOC__<br />
<br />
<br />
=Developed topics=<br />
<br />
<br />
==Organic photovoltaic cells==<br />
<br />
<br />
Organic solar cells are part of the emerging photovoltaic technologies whose very specific characteristics (flexibility, manufacturing at room temperature, semi-transparency, etc.) should make it possible to broaden the integration of photovoltaics in various fields. The team's activities are mainly aimed at improving photovoltaic conversion efficiency, the stability of organic cells and reducing the environmental impact of their manufacture. We also carry out more fundamental studies on the relationships between the molecular structure and the electronic or photovoltaic properties of new molecules. <br />
<br />
This work is carried out in close collaboration with the consortium [http://stelorg.unistra.fr/ STELORG], which brings together around fifteen researchers in chemistry, physico-chemistry and component physics from four Strasbourg research institutes, complementary skills. <br />
<br />
<!--avec le consortium [https://stelorg-dev.unistra.fr/ STELORG]--><br />
<br />
Our current research projects on this theme are illustrated by a few examples below.<br />
<br />
<br />
===Molecular structure and optoelectronic properties===<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
'''Persons involved: T. Heiser, P. Lévêque, E. Martin, E. Steveler''' <br><br />
<br />
<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), W. Uhring (ICube, SMH), Pascal Didier (LBP), [http://stelorg.unistra.fr/ STELORG].'''<br />
|}<br />
<br />
<br />
The efficiency of organic photovoltaic (OPV) devices is currently limited by the short lifetime (< 1 ns) and short diffusion length (a few nm) of the photogenerated excitons. The development of organic materials with long diffusion lengths (typically > 10 nm) is therefore proving to be a particularly interesting way to improve charge transport and should lead to an improvement in OPV performance. In thin films, the dynamics of excitons and charge carriers, crucial for the operation of OPV devices, is controlled by intermolecular interactions and depend in a non-trivial way on the molecular organization in the solid state. <br><br />
<br />
In this context, we are studying families of organic molecules with different side chains and heat treatment conditions, allowing us to obtain molecular structures and various crystalline orders (liquid crystal, needles or crystalline grains...). We are thus studying the influence of molecular organization and self-assembly on the dynamics of excitons in order to improve the performance of OPV devices. [1,2] <br><br />
<br />
<br />
[1] J. Jing, E. Steveler, N. Leclerc, A. D'Aléo, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 12149, Organic Electronics and Photonics: Fundamentals and Devices III, 1214904 (2022).<br><br />
[2] J. Jing, E. Steveler, N. Leclerc, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 11365, Organic Electronics and Photonics: Fundamentals and Devices II; 113650F (2020).<br />
<br />
<br />
[[File:Image9.png|700px|center]]<br />
<div class="center"> Continuous-wave photoluminescence (PL) map for (left) amorphous and (middle) crystalline thin films. (right) Time-resolved PL spectra measured on amorphous and crystalline thin films.<br />
</div><br />
<br />
<br />
An atomic-scale modelling activity of exciton diffusion in organic semiconductors has recently been initiated, using first-principles molecular dynamics, based on DFT, in order to strenghten the understanding issue from experiments on this phenomenon. <br />
<br />
<br />
The addition of a structuring platform (TAT)[1] on either side of an effective motif (TB2)[2] makes it possible to act on the molecular arrangement in the solid state to improve the dynamics of charge carriers and ultimately the conversion efficiency of organic solar cells.[3]<br />
<br />
<br />
[1] T. Bura, N. Leclerc, R. Bechara, P. Lévêque, T. Heiser, R. Ziessel, Adv. Energy Mater. 3 (2013) 1118. <br><br />
[2] T. Bura, N. Leclerc, S. Fall, P. Lévêque, P. Retailleau, S. Rihn, A. Mirloup, R. Ziessel, J. Am. Chem. Soc. 134 (2012) 17404.<br><br />
[3] N. Leclerc, I. Bulut, Q. Huaulmé, A. Mirloup, P. Chávez, S. Fall, A. Hébraud, S. Méry, B. Heinrich, T. Heiser, P. Lévêque ChemSusChem. 10 (2017) 1878. <br><br />
<br />
<br />
[[File:ImageTAT-TB2.png|center|700px]]<br />
<div class="center"> Structure of TAT-TB2-TAT and self-assembly corresponding to the solid state.<br />
</div><br />
<br />
<br />
[[File:ImageTAT-TB2(2).png|center|500px]]<br />
<div class="center"> Evolution of charge carrier recombination as a function of molecular structure (with or without TAT), measured by transient photo-voltage and charge extraction techniques.<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
===Research of alternative, non-toxic solvents, by reverse engineering ===<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
'''Persons involved: T. Heiser, P. Lévêque''' <br><br />
<br />
'''Collaborations: Sophie Thibaud-Roux, Ivonne Rodrigues-Donis et Vincent Gerbaud, ENSIACET (Toulouse), [http://stelorg.unistra.fr/ STELORG]'''<br />
|}<br />
<br />
The toxicity of halogenated solvents usually used to solubilize 𝜋-conjugated materials is a major obstacle to the industrialization of organic photovoltaic modules. As a result, the search for alternative solvents, less toxic and potentially biosourced, is today an important issue for the organic sector. In this context, we have recently shown that '''reverse molecular engineering''', which consists in identifying by numerical means solvents presenting a set of target properties, is a promising approach. In collaboration with the teams of Sophie Thibaud-Roux, Ivonne Rodrigues-Donis and Vincent Gerbaud from ENSIACET in Toulouse, we were able to apply the computer-aided design tool, IBSS®, developed by V. Gerbaud, to the problem solvents. <br><br />
<br />
This methodology allowed us in particular to identify several alternative solvents for the manufacture of solar cells based on poly(3-hexylthiophene), a reference organic polymer, without loss of performance.<br />
<br />
<br />
Jing Wang, Ivonne Rodriguez-Donis, Sophie Thiebaud-Roux, Olzhas A. Ibraaikulov, Nicolas Leclerc, Patrick Lévêque, Vincent Gervaud, Markus Kohlstädt, Thomas Heiser, Molecular Systems Design & Engineering, 7 (2022) 182<br />
<br />
<br />
[[File:Cellules solaires Solvants.png|center|700px]]<br />
<div class="center"> Performance of P3HT:EH-IDTBR-based solar cells as a function of the solvent used for fabrication.<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
=== Ternary mixtures for improved yield and/or stability ===<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: P. Lévêque, T. Heiser, S. Fall''' <br><br />
<br />
<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), F. Zhang (University Jiaotong of Beijing).'''<br />
|}<br />
<br />
<br />
Study ternary mixtures in the active layer to increase the photovoltaic conversion efficiency and/or device stability. Starting from an electron donor polymer (PF2), synthesized within the Strasbourg consortium STELORG, conversion yields greater than 12% were obtained by using two electron donor polymers (PF2 and J71) and an electron acceptor. underived fullerene (Y6) electrons from complementary absorption spectra. [1] By using an electron donor polymer (PF2) and two acceptors (PC71BM and EH-IDTBR), good stability under illumination was observed. A better understanding of the influence of ternary mixtures in terms of solid-state structure and tuning of electronic boundary levels is a lock to be lifted in order to jointly obtain high yields and sufficient stability.<br />
<br />
<br />
[1] X. Ma , Q. An , O. Ibraikulov, P. Lévêque, T. Heiser, N. Leclerc , X. Zhang , F. Zhang, Journal of Materials Chemistry A, 8 (2020) pages 1265.<br />
<br />
<br />
[[File:Image7.png|center]]<br />
<div class="center"> Structure of PF2, J71 and Y6 (left), complementarity of absorption spectra (middle) and boundary levels (right).<br />
</div><br />
<br />
<br />
[[File:Image8(bis).png|center]]<br />
<div class="center"> Structure of PF2, PC71BM and EH-IDTBR (left), characteristics (J-V) under standard illumination of PF2:PC71BM:EH-IDTBR mixtures measured before and after photo-degradation (right).<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
===Organic photovoltaics for “indoor” applications===<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
'''Persons involved: P. Lévêque, S. Fall ''' <br><br />
<br />
<br />
'''Collaborations: V. Frick (SMH ICube)'''<br />
|}<br />
<br />
Organic photovoltaic cells absorb particularly in the wavelength range of artificial lighting and often see their efficiency increase when the illumination decreases. The purpose of this theme is to show the potential of organic solar cells to power connected objects located inside buildings. Electronics allowing sober energy management have been developed specifically for this application.<br />
<br />
<br />
[[File:OPV indoor.png|center|700px]]<br />
<div class="center"> Evolution of conversion efficiency as a function of light power for neutral filtering from an AM1.5G spectrum (100 mW/cm2) (left). Curve (J-V) corresponding to standard illumination conditions (right). <br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
==Photovoltaic optical modulators based on liquid crystals and organic semiconductors==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
'''Persons involved: T. Heiser, S. Fall, Y. Lin ''' <br><br />
<br />
<br />
'''Collaborations: J. Wang, T. Regrettier, O. Ibraikulov, N. Brouckaert'''<br />
|}<br />
<br />
The integration of organic semiconductor materials into liquid crystal optical modulators offers new functionalities to these devices. Indeed, these "hybrid" modulators have by construction a behavior sensitive to the incident light intensity and can therefore be used as photorefractive elements [1] or as dynamic glasses (similar to photochromic or electrochromic glasses, whose tint is adjustable ). <br><br />
In this context, we have recently proposed a new concept of dynamic glass, called PSLM (for "photovoltaic spatial light modulator") [2] (see principle diagram). The operation of a PSLM is energy self-sufficient, easily controllable by the user and benefits from a response time of less than one second. Our current work aims to increase the transparency in the "clear" state of PSLMs, to optimize their spectral response according to the targeted applications and to improve their manufacturing method (increase in size, robustness, etc.).<br />
<br />
<br />
[1] T. Regrettier, M. Kaczmarek, G. D'Alessandro, T. Heiser, "Integrated organic donor-acceptor bulk heterojunctions for self-activated liquid crystal light modulators.," Proc. SPIE 10735, Liquid Crystals XXII, 1073514 (14 September 2018) <br><br />
[2] T. Heiser, T. Regrettier, M. Kaczmarek, « Liquid Crystal Spatial Light Modulator », US 2020/0233248 A1<br />
<br />
<br />
[[File:Modulateur optique.png|center|700px]]<br />
<div class="center"> Diagram and photo of a stand-alone PSLM in (a) light (OFF) and (b) dark (ON) state under natural light.<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Photon conversion by downshifting or downconversion for solar cells==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
'''Persons involved: T. Fix, G. Ferblantier, A. Slaoui ''' <br><br />
<br />
<br />
'''Collaborations: IPVF, IPHC, IJL'''<br />
|}<br />
<br />
<br />
Several phenomena limit the efficiency of solar cells (c-Si, CIGS…), such as the thermalization of photons with energy higher than the bandgap or the low spectral response in the ultraviolet (window layers…). A possible solution is to better match the bandgaps to the solar spectrum by fabricating tandem solar cells. Another solution is to adapt the solar spectrum to the existing solar cell by converting ultraviolet photons towards the visible or near-infrared before being absorbed by the cell.<br />
Downshifting and downconversion consist in converting an ultraviolet photon into respectively 1 or 2 photons in the visible or near-infrared. We study several downshifting and downconversion systems, in the form of oxide thin films or polymers functionalized with coordination complexes. Our functionalized encapsulants with photon conversion by photoluminescence allow an increase of conversion efficiency from 13.5 to 14.3 % in CIGS solar cells. <br><br />
<br />
[1] [http://dx.doi.org/10.1002/pip.2785 Enhancement of silicon solar cells by downshifting with Eu and Tb coordination complexes], T. Fix, A. Nonat, D. Imbert, S. Di Pietro, M. Mazzanti, A. Slaoui and L. J. Charbonnière, Progress in Photovoltaics: Research and Applications 24, 1251 (2016)<br><br />
[2] [http://dx.doi.org/10.1002/adom.201600395 Enhancement of CIGS solar cells using europium complex as photon downshifter], A. Gavriluta, T. Fix, A. Nonat, M. Paire, A. Slaoui, L. J. Charbonnière, J.-F. Guillemoles, Adv. Opt. Mater. 4, 1846 (2016) <br />
<br />
<br />
[[File:Figure5-fix.jpg|center|700px]]<br />
<div class="center"> Impact of the Eu(tta)3(tppo)2 complex in an EVA polymer on CIGS solar cells.<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Emerging oxides as absorbers or transparent conductive oxides ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: T. Fix, G. Ferblantier, D. Muller, A. Slaoui ''' <br><br />
<br />
<br />
'''Collaborations: IPCMS, Purdue University, University of Bologna, Tokyo University of Science'''<br />
|}<br />
<br />
<br />
Transparent conductive oxides (TCOs) are present in many solar cell architectures. Research aims to improve these TCOs and avoid the use of Indium, scarce element present in ITO. <br><br />
As well, emerging oxide materials are developed for the role of photon absorber in solar cells. Inorganic photovoltaic technologies are mainly based on CdTe, amorphous Si and CuInxGa1-xSe2 (CIGS). A recent major breakthrough was demonstrated with perovskite halides, with conversion efficiencies higher than 20% using a small surface and not stabilized. Another path is the use of metal oxides based on abundant elements, generally stable and non-toxic. <br><br />
We use pulsed laser deposition (PLD) and sputtering to study novel oxide absorbers for solar cells. The oxides studied must have a bandgap low enough to be compatible with the solar spectrum. Examples of oxides investigated are LaVO3, Cu2O, KBiFe2O5, h-TbMnO3 and Bi2FeCrO6. For the latter, ferroelectricity can play an important role in the photovoltaic properties. <br />
<br />
<br />
[1] [http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives], R. Hoye*, J. Hidalgo, R. Jagt, J.-P. Correa-Baena, T. Fix*, J. MacManus-Driscoll*, Advanced Energy Materials, 2100499, pages 1-59 (2021)<br />
<br />
<br />
[[File:Figure-oxydes1.jpg|center|700px]]<br />
<br />
<div class="center"> Some oxides investigated as photovoltaic absorbers in the team.<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
=== Ferroelectric solar cells===<br />
<br />
Ferroelectric materials are being considered for photovoltaic applications, after the demonstration of a conversion efficiency higher than 8% in a solar cell based on ferroelectrics, while only a limited number of researchers are into this field. <br><br />
In the case of a ferroelectric solar cell, there is no need of a p-n junction and the electric polarization from ferroelectricity is responsible for the charge separation. In particular, the double perovskite Bi2FeCrO6 presents the best conversion efficiency while BiFeO3 allows to obtain open circuit voltage of a few dozen volts. The current-voltage characteristics present a bistability in open circuit voltage as a function of the initial polarization voltage of the cell, allowing to obtain solar cells that are tunable with a voltage pulse.<br />
<br />
[[File:Figure oxydes2.jpg|center|700px]]<br />
<br />
<br />
<div class="center"> (left) Pulsed laser deposition system for oxides in ICube. (right) Transmission electron microscopy cross-sectional image showing epitaxy of KBiFe2O5 on MgAl2O4 (001).<br />
</div><br />
<br />
<br />
[2] [http://dx.doi.org/10.1021/acs.jpcc.7b10622 Band-gap tuning in ferroelectric Bi2FeCrO6 double perovskite thin films], A. Quattropani, D. Stoeffler, T. Fix, G. Schmerber, M. Lenertz, G. Versini, J. L. Rehspringer, A. Slaoui, A. Dinia and S. Colis, Journal of Physical Chemistry C 122, 1070 (2018)<br><br />
[3] [http://dx.doi.org/10.1016/j.jallcom.2021.160922 Insights on hexagonal TbMnO3 for optoelectronic applications: From powders to thin films], T. Fix, G. Schmerber, J.-L. Rehspringer, M. Rastei, S. Roques, J. Bartringer, A. Slaoui, Journal of Alloys and Compounds 883, 160922 (2021)<br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Silicon clathrate films ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: T. Fix, D. Muller, A. Slaoui ''' <br><br />
<br />
<br />
'''Collaborations: IPCMS, INL'''<br />
|}<br />
<br />
<br />
Common forms of elemental silicon (mono-, multi-crystalline and amorphous) play a foundational role in the field of electronics and the underlying technologies are well mastered. Silicon is an element that is abundant, stable and non-toxic. Silicon clathrates are an exotic form of silicon, discovered in 1965, based as in fullerenes on hollow spheres of various size. The synthesis of clathrates in the form of films is not well mastered and presents technological bottlenecks that we aim to solve (integration into functional devices). ICube is one of the few laboratories that can elaborate such material in the form of films. The electronic and optical properties of these clathrates are strongly different to the “standard” silicon as they can provide a direct bandgap (for type II clathrates), paving the way for novel applications in electronics, optoelectronics and photovoltaics. We have demonstrated by Spectroscopic Surface Photovoltage that type II clathrates are a semiconductor in itself, distinct from diamond silicon. Not only the size of the clathrates but also the presence of doping atoms can dramatically modify their properties. Ion implantation available at ICube is used to modify the properties of the clathrates. Applications in sodium-ion batteries are also emerging for these materials.<br />
<br />
<br />
[1] [https://doi.org/10.1021/acs.jpcc.0c02712 Silicon Clathrate Films for Photovoltaic Applications], T. Fix, R. Vollondat, A. Ameur, S. Roques, J.-L. Rehspringer, C. Chevalier, D. Muller, and A. Slaoui, J. Phys. Chem. C 124, 28, 14972–14977 (2020)<br />
[2] [https://doi.org/10.1016/j.jallcom.2022.163967 Synthesis and characterization of silicon clathrates of type I Na8Si46 and type II NaxSi136 by thermal decomposition], R. Vollondat, S. Roques, C. Chevalier, J. Bartringer, J.-L. Rehspringer, A. Slaoui, T. Fix, Journal of Alloys and Compounds 903, 163967 (2022)<br />
<br />
<br />
[[File:Figure-clathrates.jpg|center|450px]]<br />
<div class="center"> (left) silicon clathrate film on c-Si (001) before and after press annealing. (right) schematics of type I and type II silicon clathrates.<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
=Archives: old topics=<br />
<br />
<br />
== Towards the industrialization of organic photovoltaics ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: P. Lévêque, T. Heiser, J. Wang, S. Fall''' <br><br />
<br />
<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), M. Kohlstädt (FMF, Université de Freiburg), U. Würfel (Fraunhofer ISE).'''<br />
|}<br />
<br />
An electron-donor polymer designed and synthesized at the Cronenbourg campus (PF2) gives high conversion efficiencies (about 10%) when mixed with the PC71BM electron acceptor. This project aims to demonstrate its industrial potential by developing several approaches: <br><br />
- Polymer production at the gram scale or more, <br><br />
- Avoid halogenated solvents for the wet deposition of the active layer,<br><br />
- Avoid rare materials (e.g. Indium) when making transparent conductive electrodes,<br><br />
- Go from laboratory scale (12 mm2) to large areas (> 60 cm2).<br />
<br />
<br />
[[File:Image6.png|center|700px]]<br />
<div class="center"> Structure of PF2 and PC71BM (top left), characteristics (J-V) under darkness and standard illumination (AM1.5G (100mW/cm2)) (top right) and corresponding photovoltaic parameters (bottom).<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Materials_and_photovoltaic_components&diff=967
Materials and photovoltaic components
2023-02-27T08:20:19Z
<p>Steveler : /* Molecular structure and optoelectronic properties */</p>
<hr />
<div>[[fr:Matériaux et composants photovoltaïques]]<br />
<br />
<span id="bidule"> </span><br />
<br />
Although the contribution of photovoltaics to the production of renewable energy is still largely due to the traditional crystalline silicon sector, many so-called "emerging" technologies are the subject of research projects around the world and aim to '''reduce the cost of photovoltaics''' and '''widen its field of application'''. In this context, the development of new thin-film materials with outstanding optical, electronic and mechanical properties plays a key role. Our team participates in these efforts by developing '''new inorganic and organic materials''', studying their '''fundamental properties''', and implementing them in the '''manufacturing of innovative photovoltaic components'''. <br />
<br />
<br />
__TOC__<br />
<br />
<br />
=Developed topics=<br />
<br />
<br />
==Organic photovoltaic cells==<br />
<br />
<br />
Organic solar cells are part of the emerging photovoltaic technologies whose very specific characteristics (flexibility, manufacturing at room temperature, semi-transparency, etc.) should make it possible to broaden the integration of photovoltaics in various fields. The team's activities are mainly aimed at improving photovoltaic conversion efficiency, the stability of organic cells and reducing the environmental impact of their manufacture. We also carry out more fundamental studies on the relationships between the molecular structure and the electronic or photovoltaic properties of new molecules. <br />
<br />
This work is carried out in close collaboration with the consortium [http://stelorg.unistra.fr/ STELORG], which brings together around fifteen researchers in chemistry, physico-chemistry and component physics from four Strasbourg research institutes, complementary skills. <br />
<br />
<!--avec le consortium [https://stelorg-dev.unistra.fr/ STELORG]--><br />
<br />
Our current research projects on this theme are illustrated by a few examples below.<br />
<br />
<br />
===Molecular structure and optoelectronic properties===<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
'''Persons involved: T. Heiser, P. Lévêque, E. Martin, E. Steveler''' <br><br />
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'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), W. Uhring (ICube, SMH), Pascal Didier (LBP), [http://stelorg.unistra.fr/ STELORG].'''<br />
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The efficiency of organic photovoltaic (OPV) devices is currently limited by the short lifetime (< 1 ns) and short diffusion length (a few nm) of the photogenerated excitons. The development of organic materials with long diffusion lengths (typically > 10 nm) is therefore proving to be a particularly interesting way to improve charge transport and should lead to an improvement in OPV performance. In thin films, the dynamics of excitons and charge carriers, crucial for the operation of OPV devices, is controlled by intermolecular interactions and depend in a non-trivial way on the molecular organization in the solid state. <br><br />
<br />
In this context, we are studying families of organic molecules with different side chains and heat treatment conditions, allowing us to obtain molecular structures and various crystalline orders (liquid crystal, needles or crystalline grains...). We are thus studying the influence of molecular organization and self-assembly on the dynamics of excitons in order to improve the performance of OPV devices. [1,2] <br><br />
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[1] J. Jing, E. Steveler, N. Leclerc, A. D'Aléo, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 12149, Organic Electronics and Photonics: Fundamentals and Devices III, 1214904 (2022).<br><br />
[2] J. Jing, E. Steveler, N. Leclerc, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 11365, Organic Electronics and Photonics: Fundamentals and Devices II; 113650F (2020).<br />
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[[File:Image9.png|700px|center]]<br />
<div class="center"> Continuous-wave photoluminescence (PL) map for (left) amorphous and (middle) crystalline thin films. (right) Time-resolved PL spectra measured on amorphous and crystalline thin films.<br />
</div><br />
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An atomic-scale modelling activity of exciton diffusion in organic semiconductors has recently been initiated, using first-principles molecular dynamics, based on DFT, in order to strenghten the understanding issue from experiments on this phenomenon. <br />
<br />
<br />
The addition of a structuring platform (TAT)[1] on either side of an effective motif (TB2)[2] makes it possible to act on the molecular arrangement in the solid state to improve the dynamics of charge carriers and ultimately the conversion efficiency of organic solar cells.[3]<br />
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[1] T. Bura, N. Leclerc, R. Bechara, P. Lévêque, T. Heiser, R. Ziessel, Adv. Energy Mater. 3 (2013) 1118. <br><br />
[2] T. Bura, N. Leclerc, S. Fall, P. Lévêque, P. Retailleau, S. Rihn, A. Mirloup, R. Ziessel, J. Am. Chem. Soc. 134 (2012) 17404.<br><br />
[3] N. Leclerc, I. Bulut, Q. Huaulmé, A. Mirloup, P. Chávez, S. Fall, A. Hébraud, S. Méry, B. Heinrich, T. Heiser, P. Lévêque ChemSusChem. 10 (2017) 1878. <br><br />
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[[File:ImageTAT-TB2.png|center|700px]]<br />
<div class="center"> Structure of TAT-TB2-TAT and self-assembly corresponding to the solid state.<br />
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[[File:ImageTAT-TB2(2).png|center|500px]]<br />
<div class="center"> Evolution of charge carrier recombination as a function of molecular structure (with or without TAT), measured by transient photo-voltage and charge extraction techniques.<br />
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===Research of alternative, non-toxic solvents, by reverse engineering ===<br />
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{|style="color: #4392D8;" width="100%"<br />
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'''Persons involved: T. Heiser, P. Lévêque''' <br><br />
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'''Collaborations: Sophie Thibaud-Roux, Ivonne Rodrigues-Donis et Vincent Gerbaud, ENSIACET (Toulouse)'''<br />
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The toxicity of halogenated solvents usually used to solubilize 𝜋-conjugated materials is a major obstacle to the industrialization of organic photovoltaic modules. As a result, the search for alternative solvents, less toxic and potentially biosourced, is today an important issue for the organic sector. In this context, we have recently shown that '''reverse molecular engineering''', which consists in identifying by numerical means solvents presenting a set of target properties, is a promising approach. In collaboration with the teams of Sophie Thibaud-Roux, Ivonne Rodrigues-Donis and Vincent Gerbaud from ENSIACET in Toulouse, we were able to apply the computer-aided design tool, IBSS®, developed by V. Gerbaud, to the problem solvents. <br><br />
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This methodology allowed us in particular to identify several alternative solvents for the manufacture of solar cells based on poly(3-hexylthiophene), a reference organic polymer, without loss of performance.<br />
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Jing Wang, Ivonne Rodriguez-Donis, Sophie Thiebaud-Roux, Olzhas A. Ibraaikulov, Nicolas Leclerc, Patrick Lévêque, Vincent Gervaud, Markus Kohlstädt, Thomas Heiser, Molecular Systems Design & Engineering, 7 (2022) 182<br />
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[[File:Cellules solaires Solvants.png|center|700px]]<br />
<div class="center"> Performance of P3HT:EH-IDTBR-based solar cells as a function of the solvent used for fabrication.<br />
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=== Ternary mixtures for improved yield and/or stability ===<br />
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{|style="color: #4392D8;" width="100%"<br />
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''' Persons involved: P. Lévêque, T. Heiser, S. Fall''' <br><br />
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'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), F. Zhang (University Jiaotong of Beijing).'''<br />
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Study ternary mixtures in the active layer to increase the photovoltaic conversion efficiency and/or device stability. Starting from an electron donor polymer (PF2), synthesized within the Strasbourg consortium STELORG, conversion yields greater than 12% were obtained by using two electron donor polymers (PF2 and J71) and an electron acceptor. underived fullerene (Y6) electrons from complementary absorption spectra. [1] By using an electron donor polymer (PF2) and two acceptors (PC71BM and EH-IDTBR), good stability under illumination was observed. A better understanding of the influence of ternary mixtures in terms of solid-state structure and tuning of electronic boundary levels is a lock to be lifted in order to jointly obtain high yields and sufficient stability.<br />
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[1] X. Ma , Q. An , O. Ibraikulov, P. Lévêque, T. Heiser, N. Leclerc , X. Zhang , F. Zhang, Journal of Materials Chemistry A, 8 (2020) pages 1265.<br />
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[[File:Image7.png|center]]<br />
<div class="center"> Structure of PF2, J71 and Y6 (left), complementarity of absorption spectra (middle) and boundary levels (right).<br />
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[[File:Image8(bis).png|center]]<br />
<div class="center"> Structure of PF2, PC71BM and EH-IDTBR (left), characteristics (J-V) under standard illumination of PF2:PC71BM:EH-IDTBR mixtures measured before and after photo-degradation (right).<br />
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===Organic photovoltaics for “indoor” applications===<br />
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{|style="color: #4392D8;" width="100%"<br />
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'''Persons involved: P. Lévêque, S. Fall ''' <br><br />
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'''Collaborations: V. Frick (SMH ICube)'''<br />
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Organic photovoltaic cells absorb particularly in the wavelength range of artificial lighting and often see their efficiency increase when the illumination decreases. The purpose of this theme is to show the potential of organic solar cells to power connected objects located inside buildings. Electronics allowing sober energy management have been developed specifically for this application.<br />
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[[File:OPV indoor.png|center|700px]]<br />
<div class="center"> Evolution of conversion efficiency as a function of light power for neutral filtering from an AM1.5G spectrum (100 mW/cm2) (left). Curve (J-V) corresponding to standard illumination conditions (right). <br />
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==Photovoltaic optical modulators based on liquid crystals and organic semiconductors==<br />
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{|style="color: #4392D8;" width="100%"<br />
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'''Persons involved: T. Heiser, S. Fall, Y. Lin ''' <br><br />
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'''Collaborations: J. Wang, T. Regrettier, O. Ibraikulov, N. Brouckaert'''<br />
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The integration of organic semiconductor materials into liquid crystal optical modulators offers new functionalities to these devices. Indeed, these "hybrid" modulators have by construction a behavior sensitive to the incident light intensity and can therefore be used as photorefractive elements [1] or as dynamic glasses (similar to photochromic or electrochromic glasses, whose tint is adjustable ). <br><br />
In this context, we have recently proposed a new concept of dynamic glass, called PSLM (for "photovoltaic spatial light modulator") [2] (see principle diagram). The operation of a PSLM is energy self-sufficient, easily controllable by the user and benefits from a response time of less than one second. Our current work aims to increase the transparency in the "clear" state of PSLMs, to optimize their spectral response according to the targeted applications and to improve their manufacturing method (increase in size, robustness, etc.).<br />
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[1] T. Regrettier, M. Kaczmarek, G. D'Alessandro, T. Heiser, "Integrated organic donor-acceptor bulk heterojunctions for self-activated liquid crystal light modulators.," Proc. SPIE 10735, Liquid Crystals XXII, 1073514 (14 September 2018) <br><br />
[2] T. Heiser, T. Regrettier, M. Kaczmarek, « Liquid Crystal Spatial Light Modulator », US 2020/0233248 A1<br />
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[[File:Modulateur optique.png|center|700px]]<br />
<div class="center"> Diagram and photo of a stand-alone PSLM in (a) light (OFF) and (b) dark (ON) state under natural light.<br />
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== Photon conversion by downshifting or downconversion for solar cells==<br />
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{|style="color: #4392D8;" width="100%"<br />
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'''Persons involved: T. Fix, G. Ferblantier, A. Slaoui ''' <br><br />
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'''Collaborations: IPVF, IPHC, IJL'''<br />
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Several phenomena limit the efficiency of solar cells (c-Si, CIGS…), such as the thermalization of photons with energy higher than the bandgap or the low spectral response in the ultraviolet (window layers…). A possible solution is to better match the bandgaps to the solar spectrum by fabricating tandem solar cells. Another solution is to adapt the solar spectrum to the existing solar cell by converting ultraviolet photons towards the visible or near-infrared before being absorbed by the cell.<br />
Downshifting and downconversion consist in converting an ultraviolet photon into respectively 1 or 2 photons in the visible or near-infrared. We study several downshifting and downconversion systems, in the form of oxide thin films or polymers functionalized with coordination complexes. Our functionalized encapsulants with photon conversion by photoluminescence allow an increase of conversion efficiency from 13.5 to 14.3 % in CIGS solar cells. <br><br />
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[1] [http://dx.doi.org/10.1002/pip.2785 Enhancement of silicon solar cells by downshifting with Eu and Tb coordination complexes], T. Fix, A. Nonat, D. Imbert, S. Di Pietro, M. Mazzanti, A. Slaoui and L. J. Charbonnière, Progress in Photovoltaics: Research and Applications 24, 1251 (2016)<br><br />
[2] [http://dx.doi.org/10.1002/adom.201600395 Enhancement of CIGS solar cells using europium complex as photon downshifter], A. Gavriluta, T. Fix, A. Nonat, M. Paire, A. Slaoui, L. J. Charbonnière, J.-F. Guillemoles, Adv. Opt. Mater. 4, 1846 (2016) <br />
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[[File:Figure5-fix.jpg|center|700px]]<br />
<div class="center"> Impact of the Eu(tta)3(tppo)2 complex in an EVA polymer on CIGS solar cells.<br />
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== Emerging oxides as absorbers or transparent conductive oxides ==<br />
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{|style="color: #4392D8;" width="100%"<br />
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''' Persons involved: T. Fix, G. Ferblantier, D. Muller, A. Slaoui ''' <br><br />
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'''Collaborations: IPCMS, Purdue University, University of Bologna, Tokyo University of Science'''<br />
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Transparent conductive oxides (TCOs) are present in many solar cell architectures. Research aims to improve these TCOs and avoid the use of Indium, scarce element present in ITO. <br><br />
As well, emerging oxide materials are developed for the role of photon absorber in solar cells. Inorganic photovoltaic technologies are mainly based on CdTe, amorphous Si and CuInxGa1-xSe2 (CIGS). A recent major breakthrough was demonstrated with perovskite halides, with conversion efficiencies higher than 20% using a small surface and not stabilized. Another path is the use of metal oxides based on abundant elements, generally stable and non-toxic. <br><br />
We use pulsed laser deposition (PLD) and sputtering to study novel oxide absorbers for solar cells. The oxides studied must have a bandgap low enough to be compatible with the solar spectrum. Examples of oxides investigated are LaVO3, Cu2O, KBiFe2O5, h-TbMnO3 and Bi2FeCrO6. For the latter, ferroelectricity can play an important role in the photovoltaic properties. <br />
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[1] [http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives], R. Hoye*, J. Hidalgo, R. Jagt, J.-P. Correa-Baena, T. Fix*, J. MacManus-Driscoll*, Advanced Energy Materials, 2100499, pages 1-59 (2021)<br />
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[[File:Figure-oxydes1.jpg|center|700px]]<br />
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<div class="center"> Some oxides investigated as photovoltaic absorbers in the team.<br />
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[[#bidule|Back to contents]]<br />
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=== Ferroelectric solar cells===<br />
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Ferroelectric materials are being considered for photovoltaic applications, after the demonstration of a conversion efficiency higher than 8% in a solar cell based on ferroelectrics, while only a limited number of researchers are into this field. <br><br />
In the case of a ferroelectric solar cell, there is no need of a p-n junction and the electric polarization from ferroelectricity is responsible for the charge separation. In particular, the double perovskite Bi2FeCrO6 presents the best conversion efficiency while BiFeO3 allows to obtain open circuit voltage of a few dozen volts. The current-voltage characteristics present a bistability in open circuit voltage as a function of the initial polarization voltage of the cell, allowing to obtain solar cells that are tunable with a voltage pulse.<br />
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[[File:Figure oxydes2.jpg|center|700px]]<br />
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<div class="center"> (left) Pulsed laser deposition system for oxides in ICube. (right) Transmission electron microscopy cross-sectional image showing epitaxy of KBiFe2O5 on MgAl2O4 (001).<br />
</div><br />
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[2] [http://dx.doi.org/10.1021/acs.jpcc.7b10622 Band-gap tuning in ferroelectric Bi2FeCrO6 double perovskite thin films], A. Quattropani, D. Stoeffler, T. Fix, G. Schmerber, M. Lenertz, G. Versini, J. L. Rehspringer, A. Slaoui, A. Dinia and S. Colis, Journal of Physical Chemistry C 122, 1070 (2018)<br><br />
[3] [http://dx.doi.org/10.1016/j.jallcom.2021.160922 Insights on hexagonal TbMnO3 for optoelectronic applications: From powders to thin films], T. Fix, G. Schmerber, J.-L. Rehspringer, M. Rastei, S. Roques, J. Bartringer, A. Slaoui, Journal of Alloys and Compounds 883, 160922 (2021)<br />
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== Silicon clathrate films ==<br />
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{|style="color: #4392D8;" width="100%"<br />
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''' Persons involved: T. Fix, D. Muller, A. Slaoui ''' <br><br />
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'''Collaborations: IPCMS, INL'''<br />
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Common forms of elemental silicon (mono-, multi-crystalline and amorphous) play a foundational role in the field of electronics and the underlying technologies are well mastered. Silicon is an element that is abundant, stable and non-toxic. Silicon clathrates are an exotic form of silicon, discovered in 1965, based as in fullerenes on hollow spheres of various size. The synthesis of clathrates in the form of films is not well mastered and presents technological bottlenecks that we aim to solve (integration into functional devices). ICube is one of the few laboratories that can elaborate such material in the form of films. The electronic and optical properties of these clathrates are strongly different to the “standard” silicon as they can provide a direct bandgap (for type II clathrates), paving the way for novel applications in electronics, optoelectronics and photovoltaics. We have demonstrated by Spectroscopic Surface Photovoltage that type II clathrates are a semiconductor in itself, distinct from diamond silicon. Not only the size of the clathrates but also the presence of doping atoms can dramatically modify their properties. Ion implantation available at ICube is used to modify the properties of the clathrates. Applications in sodium-ion batteries are also emerging for these materials.<br />
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[1] [https://doi.org/10.1021/acs.jpcc.0c02712 Silicon Clathrate Films for Photovoltaic Applications], T. Fix, R. Vollondat, A. Ameur, S. Roques, J.-L. Rehspringer, C. Chevalier, D. Muller, and A. Slaoui, J. Phys. Chem. C 124, 28, 14972–14977 (2020)<br />
[2] [https://doi.org/10.1016/j.jallcom.2022.163967 Synthesis and characterization of silicon clathrates of type I Na8Si46 and type II NaxSi136 by thermal decomposition], R. Vollondat, S. Roques, C. Chevalier, J. Bartringer, J.-L. Rehspringer, A. Slaoui, T. Fix, Journal of Alloys and Compounds 903, 163967 (2022)<br />
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[[File:Figure-clathrates.jpg|center|450px]]<br />
<div class="center"> (left) silicon clathrate film on c-Si (001) before and after press annealing. (right) schematics of type I and type II silicon clathrates.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
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=Archives: old topics=<br />
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== Towards the industrialization of organic photovoltaics ==<br />
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{|style="color: #4392D8;" width="100%"<br />
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''' Persons involved: P. Lévêque, T. Heiser, J. Wang, S. Fall''' <br><br />
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'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), M. Kohlstädt (FMF, Université de Freiburg), U. Würfel (Fraunhofer ISE).'''<br />
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An electron-donor polymer designed and synthesized at the Cronenbourg campus (PF2) gives high conversion efficiencies (about 10%) when mixed with the PC71BM electron acceptor. This project aims to demonstrate its industrial potential by developing several approaches: <br><br />
- Polymer production at the gram scale or more, <br><br />
- Avoid halogenated solvents for the wet deposition of the active layer,<br><br />
- Avoid rare materials (e.g. Indium) when making transparent conductive electrodes,<br><br />
- Go from laboratory scale (12 mm2) to large areas (> 60 cm2).<br />
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[[File:Image6.png|center|700px]]<br />
<div class="center"> Structure of PF2 and PC71BM (top left), characteristics (J-V) under darkness and standard illumination (AM1.5G (100mW/cm2)) (top right) and corresponding photovoltaic parameters (bottom).<br />
</div><br />
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[[#bidule|Back to contents]]</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Materials_and_photovoltaic_components&diff=966
Materials and photovoltaic components
2023-02-27T08:19:55Z
<p>Steveler : /* Organic photovoltaic cells */</p>
<hr />
<div>[[fr:Matériaux et composants photovoltaïques]]<br />
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<span id="bidule"> </span><br />
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Although the contribution of photovoltaics to the production of renewable energy is still largely due to the traditional crystalline silicon sector, many so-called "emerging" technologies are the subject of research projects around the world and aim to '''reduce the cost of photovoltaics''' and '''widen its field of application'''. In this context, the development of new thin-film materials with outstanding optical, electronic and mechanical properties plays a key role. Our team participates in these efforts by developing '''new inorganic and organic materials''', studying their '''fundamental properties''', and implementing them in the '''manufacturing of innovative photovoltaic components'''. <br />
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__TOC__<br />
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=Developed topics=<br />
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==Organic photovoltaic cells==<br />
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Organic solar cells are part of the emerging photovoltaic technologies whose very specific characteristics (flexibility, manufacturing at room temperature, semi-transparency, etc.) should make it possible to broaden the integration of photovoltaics in various fields. The team's activities are mainly aimed at improving photovoltaic conversion efficiency, the stability of organic cells and reducing the environmental impact of their manufacture. We also carry out more fundamental studies on the relationships between the molecular structure and the electronic or photovoltaic properties of new molecules. <br />
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This work is carried out in close collaboration with the consortium [http://stelorg.unistra.fr/ STELORG], which brings together around fifteen researchers in chemistry, physico-chemistry and component physics from four Strasbourg research institutes, complementary skills. <br />
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<!--avec le consortium [https://stelorg-dev.unistra.fr/ STELORG]--><br />
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Our current research projects on this theme are illustrated by a few examples below.<br />
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===Molecular structure and optoelectronic properties===<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: T. Heiser, P. Lévêque, E. Martin, E. Steveler''' <br><br />
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<br />
'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), W. Uhring (ICube, SMH), Pascal Didier (LBP).'''<br />
|}<br />
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<br />
The efficiency of organic photovoltaic (OPV) devices is currently limited by the short lifetime (< 1 ns) and short diffusion length (a few nm) of the photogenerated excitons. The development of organic materials with long diffusion lengths (typically > 10 nm) is therefore proving to be a particularly interesting way to improve charge transport and should lead to an improvement in OPV performance. In thin films, the dynamics of excitons and charge carriers, crucial for the operation of OPV devices, is controlled by intermolecular interactions and depend in a non-trivial way on the molecular organization in the solid state. <br><br />
<br />
In this context, we are studying families of organic molecules with different side chains and heat treatment conditions, allowing us to obtain molecular structures and various crystalline orders (liquid crystal, needles or crystalline grains...). We are thus studying the influence of molecular organization and self-assembly on the dynamics of excitons in order to improve the performance of OPV devices. [1,2] <br><br />
<br />
<br />
[1] J. Jing, E. Steveler, N. Leclerc, A. D'Aléo, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 12149, Organic Electronics and Photonics: Fundamentals and Devices III, 1214904 (2022).<br><br />
[2] J. Jing, E. Steveler, N. Leclerc, B. Heinrich, W. Uhring, T. Heiser, Proc. SPIE 11365, Organic Electronics and Photonics: Fundamentals and Devices II; 113650F (2020).<br />
<br />
<br />
[[File:Image9.png|700px|center]]<br />
<div class="center"> Continuous-wave photoluminescence (PL) map for (left) amorphous and (middle) crystalline thin films. (right) Time-resolved PL spectra measured on amorphous and crystalline thin films.<br />
</div><br />
<br />
<br />
An atomic-scale modelling activity of exciton diffusion in organic semiconductors has recently been initiated, using first-principles molecular dynamics, based on DFT, in order to strenghten the understanding issue from experiments on this phenomenon. <br />
<br />
<br />
The addition of a structuring platform (TAT)[1] on either side of an effective motif (TB2)[2] makes it possible to act on the molecular arrangement in the solid state to improve the dynamics of charge carriers and ultimately the conversion efficiency of organic solar cells.[3]<br />
<br />
<br />
[1] T. Bura, N. Leclerc, R. Bechara, P. Lévêque, T. Heiser, R. Ziessel, Adv. Energy Mater. 3 (2013) 1118. <br><br />
[2] T. Bura, N. Leclerc, S. Fall, P. Lévêque, P. Retailleau, S. Rihn, A. Mirloup, R. Ziessel, J. Am. Chem. Soc. 134 (2012) 17404.<br><br />
[3] N. Leclerc, I. Bulut, Q. Huaulmé, A. Mirloup, P. Chávez, S. Fall, A. Hébraud, S. Méry, B. Heinrich, T. Heiser, P. Lévêque ChemSusChem. 10 (2017) 1878. <br><br />
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[[File:ImageTAT-TB2.png|center|700px]]<br />
<div class="center"> Structure of TAT-TB2-TAT and self-assembly corresponding to the solid state.<br />
</div><br />
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[[File:ImageTAT-TB2(2).png|center|500px]]<br />
<div class="center"> Evolution of charge carrier recombination as a function of molecular structure (with or without TAT), measured by transient photo-voltage and charge extraction techniques.<br />
</div><br />
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[[#bidule|Back to contents]]<br />
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===Research of alternative, non-toxic solvents, by reverse engineering ===<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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'''Persons involved: T. Heiser, P. Lévêque''' <br><br />
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'''Collaborations: Sophie Thibaud-Roux, Ivonne Rodrigues-Donis et Vincent Gerbaud, ENSIACET (Toulouse)'''<br />
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The toxicity of halogenated solvents usually used to solubilize 𝜋-conjugated materials is a major obstacle to the industrialization of organic photovoltaic modules. As a result, the search for alternative solvents, less toxic and potentially biosourced, is today an important issue for the organic sector. In this context, we have recently shown that '''reverse molecular engineering''', which consists in identifying by numerical means solvents presenting a set of target properties, is a promising approach. In collaboration with the teams of Sophie Thibaud-Roux, Ivonne Rodrigues-Donis and Vincent Gerbaud from ENSIACET in Toulouse, we were able to apply the computer-aided design tool, IBSS®, developed by V. Gerbaud, to the problem solvents. <br><br />
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This methodology allowed us in particular to identify several alternative solvents for the manufacture of solar cells based on poly(3-hexylthiophene), a reference organic polymer, without loss of performance.<br />
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Jing Wang, Ivonne Rodriguez-Donis, Sophie Thiebaud-Roux, Olzhas A. Ibraaikulov, Nicolas Leclerc, Patrick Lévêque, Vincent Gervaud, Markus Kohlstädt, Thomas Heiser, Molecular Systems Design & Engineering, 7 (2022) 182<br />
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[[File:Cellules solaires Solvants.png|center|700px]]<br />
<div class="center"> Performance of P3HT:EH-IDTBR-based solar cells as a function of the solvent used for fabrication.<br />
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=== Ternary mixtures for improved yield and/or stability ===<br />
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''' Persons involved: P. Lévêque, T. Heiser, S. Fall''' <br><br />
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'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), F. Zhang (University Jiaotong of Beijing).'''<br />
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Study ternary mixtures in the active layer to increase the photovoltaic conversion efficiency and/or device stability. Starting from an electron donor polymer (PF2), synthesized within the Strasbourg consortium STELORG, conversion yields greater than 12% were obtained by using two electron donor polymers (PF2 and J71) and an electron acceptor. underived fullerene (Y6) electrons from complementary absorption spectra. [1] By using an electron donor polymer (PF2) and two acceptors (PC71BM and EH-IDTBR), good stability under illumination was observed. A better understanding of the influence of ternary mixtures in terms of solid-state structure and tuning of electronic boundary levels is a lock to be lifted in order to jointly obtain high yields and sufficient stability.<br />
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[1] X. Ma , Q. An , O. Ibraikulov, P. Lévêque, T. Heiser, N. Leclerc , X. Zhang , F. Zhang, Journal of Materials Chemistry A, 8 (2020) pages 1265.<br />
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[[File:Image7.png|center]]<br />
<div class="center"> Structure of PF2, J71 and Y6 (left), complementarity of absorption spectra (middle) and boundary levels (right).<br />
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[[File:Image8(bis).png|center]]<br />
<div class="center"> Structure of PF2, PC71BM and EH-IDTBR (left), characteristics (J-V) under standard illumination of PF2:PC71BM:EH-IDTBR mixtures measured before and after photo-degradation (right).<br />
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===Organic photovoltaics for “indoor” applications===<br />
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'''Persons involved: P. Lévêque, S. Fall ''' <br><br />
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'''Collaborations: V. Frick (SMH ICube)'''<br />
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Organic photovoltaic cells absorb particularly in the wavelength range of artificial lighting and often see their efficiency increase when the illumination decreases. The purpose of this theme is to show the potential of organic solar cells to power connected objects located inside buildings. Electronics allowing sober energy management have been developed specifically for this application.<br />
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[[File:OPV indoor.png|center|700px]]<br />
<div class="center"> Evolution of conversion efficiency as a function of light power for neutral filtering from an AM1.5G spectrum (100 mW/cm2) (left). Curve (J-V) corresponding to standard illumination conditions (right). <br />
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==Photovoltaic optical modulators based on liquid crystals and organic semiconductors==<br />
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'''Persons involved: T. Heiser, S. Fall, Y. Lin ''' <br><br />
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'''Collaborations: J. Wang, T. Regrettier, O. Ibraikulov, N. Brouckaert'''<br />
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The integration of organic semiconductor materials into liquid crystal optical modulators offers new functionalities to these devices. Indeed, these "hybrid" modulators have by construction a behavior sensitive to the incident light intensity and can therefore be used as photorefractive elements [1] or as dynamic glasses (similar to photochromic or electrochromic glasses, whose tint is adjustable ). <br><br />
In this context, we have recently proposed a new concept of dynamic glass, called PSLM (for "photovoltaic spatial light modulator") [2] (see principle diagram). The operation of a PSLM is energy self-sufficient, easily controllable by the user and benefits from a response time of less than one second. Our current work aims to increase the transparency in the "clear" state of PSLMs, to optimize their spectral response according to the targeted applications and to improve their manufacturing method (increase in size, robustness, etc.).<br />
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[1] T. Regrettier, M. Kaczmarek, G. D'Alessandro, T. Heiser, "Integrated organic donor-acceptor bulk heterojunctions for self-activated liquid crystal light modulators.," Proc. SPIE 10735, Liquid Crystals XXII, 1073514 (14 September 2018) <br><br />
[2] T. Heiser, T. Regrettier, M. Kaczmarek, « Liquid Crystal Spatial Light Modulator », US 2020/0233248 A1<br />
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[[File:Modulateur optique.png|center|700px]]<br />
<div class="center"> Diagram and photo of a stand-alone PSLM in (a) light (OFF) and (b) dark (ON) state under natural light.<br />
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== Photon conversion by downshifting or downconversion for solar cells==<br />
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'''Persons involved: T. Fix, G. Ferblantier, A. Slaoui ''' <br><br />
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'''Collaborations: IPVF, IPHC, IJL'''<br />
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Several phenomena limit the efficiency of solar cells (c-Si, CIGS…), such as the thermalization of photons with energy higher than the bandgap or the low spectral response in the ultraviolet (window layers…). A possible solution is to better match the bandgaps to the solar spectrum by fabricating tandem solar cells. Another solution is to adapt the solar spectrum to the existing solar cell by converting ultraviolet photons towards the visible or near-infrared before being absorbed by the cell.<br />
Downshifting and downconversion consist in converting an ultraviolet photon into respectively 1 or 2 photons in the visible or near-infrared. We study several downshifting and downconversion systems, in the form of oxide thin films or polymers functionalized with coordination complexes. Our functionalized encapsulants with photon conversion by photoluminescence allow an increase of conversion efficiency from 13.5 to 14.3 % in CIGS solar cells. <br><br />
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[1] [http://dx.doi.org/10.1002/pip.2785 Enhancement of silicon solar cells by downshifting with Eu and Tb coordination complexes], T. Fix, A. Nonat, D. Imbert, S. Di Pietro, M. Mazzanti, A. Slaoui and L. J. Charbonnière, Progress in Photovoltaics: Research and Applications 24, 1251 (2016)<br><br />
[2] [http://dx.doi.org/10.1002/adom.201600395 Enhancement of CIGS solar cells using europium complex as photon downshifter], A. Gavriluta, T. Fix, A. Nonat, M. Paire, A. Slaoui, L. J. Charbonnière, J.-F. Guillemoles, Adv. Opt. Mater. 4, 1846 (2016) <br />
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[[File:Figure5-fix.jpg|center|700px]]<br />
<div class="center"> Impact of the Eu(tta)3(tppo)2 complex in an EVA polymer on CIGS solar cells.<br />
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== Emerging oxides as absorbers or transparent conductive oxides ==<br />
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''' Persons involved: T. Fix, G. Ferblantier, D. Muller, A. Slaoui ''' <br><br />
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'''Collaborations: IPCMS, Purdue University, University of Bologna, Tokyo University of Science'''<br />
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Transparent conductive oxides (TCOs) are present in many solar cell architectures. Research aims to improve these TCOs and avoid the use of Indium, scarce element present in ITO. <br><br />
As well, emerging oxide materials are developed for the role of photon absorber in solar cells. Inorganic photovoltaic technologies are mainly based on CdTe, amorphous Si and CuInxGa1-xSe2 (CIGS). A recent major breakthrough was demonstrated with perovskite halides, with conversion efficiencies higher than 20% using a small surface and not stabilized. Another path is the use of metal oxides based on abundant elements, generally stable and non-toxic. <br><br />
We use pulsed laser deposition (PLD) and sputtering to study novel oxide absorbers for solar cells. The oxides studied must have a bandgap low enough to be compatible with the solar spectrum. Examples of oxides investigated are LaVO3, Cu2O, KBiFe2O5, h-TbMnO3 and Bi2FeCrO6. For the latter, ferroelectricity can play an important role in the photovoltaic properties. <br />
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[1] [http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives], R. Hoye*, J. Hidalgo, R. Jagt, J.-P. Correa-Baena, T. Fix*, J. MacManus-Driscoll*, Advanced Energy Materials, 2100499, pages 1-59 (2021)<br />
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[[File:Figure-oxydes1.jpg|center|700px]]<br />
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<div class="center"> Some oxides investigated as photovoltaic absorbers in the team.<br />
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=== Ferroelectric solar cells===<br />
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Ferroelectric materials are being considered for photovoltaic applications, after the demonstration of a conversion efficiency higher than 8% in a solar cell based on ferroelectrics, while only a limited number of researchers are into this field. <br><br />
In the case of a ferroelectric solar cell, there is no need of a p-n junction and the electric polarization from ferroelectricity is responsible for the charge separation. In particular, the double perovskite Bi2FeCrO6 presents the best conversion efficiency while BiFeO3 allows to obtain open circuit voltage of a few dozen volts. The current-voltage characteristics present a bistability in open circuit voltage as a function of the initial polarization voltage of the cell, allowing to obtain solar cells that are tunable with a voltage pulse.<br />
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[[File:Figure oxydes2.jpg|center|700px]]<br />
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<div class="center"> (left) Pulsed laser deposition system for oxides in ICube. (right) Transmission electron microscopy cross-sectional image showing epitaxy of KBiFe2O5 on MgAl2O4 (001).<br />
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[2] [http://dx.doi.org/10.1021/acs.jpcc.7b10622 Band-gap tuning in ferroelectric Bi2FeCrO6 double perovskite thin films], A. Quattropani, D. Stoeffler, T. Fix, G. Schmerber, M. Lenertz, G. Versini, J. L. Rehspringer, A. Slaoui, A. Dinia and S. Colis, Journal of Physical Chemistry C 122, 1070 (2018)<br><br />
[3] [http://dx.doi.org/10.1016/j.jallcom.2021.160922 Insights on hexagonal TbMnO3 for optoelectronic applications: From powders to thin films], T. Fix, G. Schmerber, J.-L. Rehspringer, M. Rastei, S. Roques, J. Bartringer, A. Slaoui, Journal of Alloys and Compounds 883, 160922 (2021)<br />
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== Silicon clathrate films ==<br />
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''' Persons involved: T. Fix, D. Muller, A. Slaoui ''' <br><br />
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'''Collaborations: IPCMS, INL'''<br />
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Common forms of elemental silicon (mono-, multi-crystalline and amorphous) play a foundational role in the field of electronics and the underlying technologies are well mastered. Silicon is an element that is abundant, stable and non-toxic. Silicon clathrates are an exotic form of silicon, discovered in 1965, based as in fullerenes on hollow spheres of various size. The synthesis of clathrates in the form of films is not well mastered and presents technological bottlenecks that we aim to solve (integration into functional devices). ICube is one of the few laboratories that can elaborate such material in the form of films. The electronic and optical properties of these clathrates are strongly different to the “standard” silicon as they can provide a direct bandgap (for type II clathrates), paving the way for novel applications in electronics, optoelectronics and photovoltaics. We have demonstrated by Spectroscopic Surface Photovoltage that type II clathrates are a semiconductor in itself, distinct from diamond silicon. Not only the size of the clathrates but also the presence of doping atoms can dramatically modify their properties. Ion implantation available at ICube is used to modify the properties of the clathrates. Applications in sodium-ion batteries are also emerging for these materials.<br />
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[1] [https://doi.org/10.1021/acs.jpcc.0c02712 Silicon Clathrate Films for Photovoltaic Applications], T. Fix, R. Vollondat, A. Ameur, S. Roques, J.-L. Rehspringer, C. Chevalier, D. Muller, and A. Slaoui, J. Phys. Chem. C 124, 28, 14972–14977 (2020)<br />
[2] [https://doi.org/10.1016/j.jallcom.2022.163967 Synthesis and characterization of silicon clathrates of type I Na8Si46 and type II NaxSi136 by thermal decomposition], R. Vollondat, S. Roques, C. Chevalier, J. Bartringer, J.-L. Rehspringer, A. Slaoui, T. Fix, Journal of Alloys and Compounds 903, 163967 (2022)<br />
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[[File:Figure-clathrates.jpg|center|450px]]<br />
<div class="center"> (left) silicon clathrate film on c-Si (001) before and after press annealing. (right) schematics of type I and type II silicon clathrates.<br />
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=Archives: old topics=<br />
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== Towards the industrialization of organic photovoltaics ==<br />
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''' Persons involved: P. Lévêque, T. Heiser, J. Wang, S. Fall''' <br><br />
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'''Collaborations: N. Leclerc (ICPEES), B. Heinrich (IPCMS), S. Méry (IPCMS), M. Kohlstädt (FMF, Université de Freiburg), U. Würfel (Fraunhofer ISE).'''<br />
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An electron-donor polymer designed and synthesized at the Cronenbourg campus (PF2) gives high conversion efficiencies (about 10%) when mixed with the PC71BM electron acceptor. This project aims to demonstrate its industrial potential by developing several approaches: <br><br />
- Polymer production at the gram scale or more, <br><br />
- Avoid halogenated solvents for the wet deposition of the active layer,<br><br />
- Avoid rare materials (e.g. Indium) when making transparent conductive electrodes,<br><br />
- Go from laboratory scale (12 mm2) to large areas (> 60 cm2).<br />
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[[File:Image6.png|center|700px]]<br />
<div class="center"> Structure of PF2 and PC71BM (top left), characteristics (J-V) under darkness and standard illumination (AM1.5G (100mW/cm2)) (top right) and corresponding photovoltaic parameters (bottom).<br />
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Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Nanomaterials_for_electronics_and_sensors&diff=965
Nanomaterials for electronics and sensors
2023-02-27T08:18:37Z
<p>Steveler : /* Chemical sensors based on organic semiconductors */</p>
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<div>[[fr:Nanomatériaux pour l'électronique et les capteurs]]<br />
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Electronics is nowadays confronted with miniaturization in order to increase storage densities, which leads to research involving the '''dimensionality of materials'''. In this context, the use of '''quasi-2D''' (nanometric thin films) or '''1D''' (nanometric-sized nanoparticles) materials with '''superior electronic, opto-electronic or optical properties''' (quantum confinement, 2D conductivity, etc.) is essential. Our team studies more particularly the physical processes of elaboration of this type of materials by advanced techniques (laser ablation, ion implantation, ...) and uses adequate post-deposition treatments (thermal or thermo-catalytic treatments under controlled atmosphere, laser, ...) for the ad hoc synthesis of low dimensional materials on/in substrates directly usable or easily integrable for the specifically targeted applications. <br><br />
By the way, the growing need for sensors accompanies the progress of various techniques for the development of nanomaterials or nano-architected materials based on dielectrics, semiconductors and/or hybrid materials. In this context, the main activities of the '''Functional Materials and Sensors''' theme of our team are part of the study of (i) '''thermal conductivity of materials''', (ii) '''plasmonic sensors based on semiconductor nanoparticles''', (iii) '''chemical sensors based on organic field effect transistors''' (OFETs) and (iv) '''quantum sensors'''. In general, the sensors developed by the team target applications in the fields of '''energy, health and environment'''.<br />
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=Developed topics=<br />
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== Atomic scale modelling of the thermal conductivity of amorphous materials ==<br />
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'''Member involved : E. Martin ''' <br><br />
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'''Collaborations : Carlo MASSOBRIO, Mauro BOERO, Guido ORI (IPCMS).'''<br />
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The objective of this activity is to identify reductions in thermal conductivity at nanoscale in amorphous materials used in technology. The calculation is based on first-principles molecular dynamics (FPMD) which uses the density functional theory (DFT) to obtain the interatomic forces. The thermal conductivity is extracted using the Approach-to-Equilibrium Molecular Dynamics (AEMD) method.<br />
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[[File: Image AEMD.png|center|700px]]<br />
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This method, the computer analogue of the «Thermal transient gratings» experiment, is based on the creation and exploitation of a sinusoidal temperature profile, the amplitude of which decreases with time. The decay time is directly related to the thermal conductivity of the material. The use of a transient regime makes it possible to obtain thermal conductivity more quickly than with traditional approaches (Green-Kubo, NEMD). The application of AEMD in first-principles molecular dynamics enables to achieve an excellent prediction of experimental and macroscopic values, and to demonstrate a systematic reduction at the nanoscale at dimensions that are nevertheless greater than the range of order in the amorphous materials studied.<br />
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[[File: Image AEMD2.png|center|300px]]<br />
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== Plasmonic biosensors based on semiconductor nanoparticles ==<br />
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''' Persons involved: G. Ferblantier, E. Steveler, D. Muller ''' <br><br />
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'''Collaborations: IJL (Nancy), CEMES (Toulouse), Mc Master (Canada).'''<br />
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Semiconductor nanoparticles (Nps-SC), especially of silicon, integrated in a dielectric matrix, have aroused great interest in recent decades because of their many possible applications in optoelectronics (IR photonic conversion, heterojunction photovoltaic cells, efficient absorbers). In recent years, electrically doped Nps-SCs have attracted a lot of attention because of the possibility of obtaining localized surface plasmon resonances (LSPRs) whose position can be adjusted according to the amount of free carriers in the particles. This adjustment, which is impossible for metallic nanoparticles, represents a major advance in the use of LSPRs in the field of sensors. <br><br />
Currently, one of the team's activities is to explore the possibility of using these hyperdoped semiconductor nanoparticles (fabricated by sputtering, PECVD or ion implantation) to generate surface electron waves, i.e., surface plasmons, to detect chemical and/or biological agents by modifying the localized plasmon wave.<br />
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== Nanoparticle engineering by ion implantation ==<br />
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''' Persons involved: G. Ferblantier, E. Steveler, D. Muller''' <br><br />
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'''Collaborations: GPM (Rouen)'''<br />
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For many years we have been developing processes based on ion implantation and/or irradiation to fabricate, deform, dope and functionalize nano-objects buried in a matrix to make sensors, memories or optical devices. <br><br />
The ability to dope quantum dots, and in particular silicon nanocrystals (Si-NC), is a key technological issue for their use in optoelectronic applications. For example, low doping levels are needed to enable applications such as Si-NC-based tandem cells and high doping levels are needed to achieve promising tunable optical properties (via Local Surface Plasmon Resonance - LSPR). (see topic "Functional materials and sensors"). <br><br />
In particular, we have demonstrated the possibility of synthesizing by ion implantation silicon nanocrystals doped with phosphorus and arsenic buried in a matrix of SiO<sub>2</sub>. This method of synthesis offers good control of the size distribution of the synthesized nanocrystals and of the quantity of dopants incorporated in these nanocrystals. Ion beam synthesis allows the elaboration of silicon nanocrystals with an average size of a few nm. The volume density of dopant-containing nanocrystals ranges from 10<sup>18</sup> to a few 10<sup>19</sup> particles.cm<sup>-3</sup> with an average atomic concentration of dopant in the nanocrystals of ~ 8%. Similar studies are underway to characterize the effect of boron doping.<br><br />
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[[File:Image16.png|center|700px]]<br />
<div class="center"> Figure 6: Spatial distribution of dopants in a Si nanoparticle (left) and concentration profile around a doped nanoparticle determined by Atomic Probe Tomography (APT).<br />
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== Chemical sensors based on organic semiconductors ==<br />
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''' Persons involved: S. Fall, G. Ferblantier, T. Heiser, P.Lévêque'''<br />
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''' Collaborations : V. Frick (SMH, ICube), J. B. Schell (SMH, ICube), [http://stelorg.unistra.fr/ STELORG]'''<br />
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Chemical sensors based on organic field effect transistors (OFETs) are currently facing a number of technological challenges such as improving sensitivity, selectivity, ambient stability and manufacturing costs. In ICube's MaCEPV team, we are exploring the performance of different types of organic semiconductor (OSC) based materials in the detection of gas species through morphology control and molecular engineering. <br><br />
The use of blends of materials makes it possible to increase the selectivity of OFET sensors and the nature of the solubilizing chains increases the sensitivity to certain species. The development of suitable electronics makes it possible to envisage the use of portable sensors based on OFETs. [1] <br><br />
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[1] : V. Frick, P. Lévêque, U. Soysal, T. Heiser, 23rd IEEE International Conference on Electronics Circuits and Systems (ICECS), Monaco, France 2016, doi:10.1109/ICECS.2016.7841194.<br />
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[[File:Image OFET.png|center|700px]]<br />
<div class="center"> Structure of an OFET (bottom gate/bottom contact) using a donor material and an electron acceptor material blended in the channel (left) and corresponding transfer characteristic (right). <br />
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== Quantum sensors ==<br />
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''' Persons involved: J. Tribolet, D. Muller''' <br><br />
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'''Collaborations: M. Lazar (L2n Troyes)'''<br />
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The "Double Electron Electron Resonance" (DEER), allows the measurement of the magnetic dipole coupling between 2 electron spins using pump-probe magnetic resonance experiments with two different microwave frequencies. Associated with spins of the colored centers obtained by ion implantation (for example the NV center of diamond), this technique allows the detection of a small number of qubits, or even a single spin qubit.<br />
We plan to develop this technique (OD-DEER by optical detection of photoluminescence) in order to reach sensitivities of a single spin probe which could eventually have important biomedical applications. However, to achieve such ultimate sensitivity, the DEER methods must be combined with a quantum sensor having one or more optically detectable colored centers near the surface. We are working on developing by ion implantation such colored centers with adequate localization and especially maintaining a sufficient coherence time (qq 10µs) at room temperature.<br />
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=Developing topics=<br />
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==Control of qubits in wide gap semiconductor ==<br />
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{|style="color: #4392D8;" width="100%"<br />
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''' Persons involved: : J. Tribolet, D. Muller''' <br><br />
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'''Collaborations: C. Couteau, M. Lazar (L2n Troyes)'''<br />
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Quantum technologies are based on the exploitation of the properties of quantum physics for tomorrow's applications: quantum communications, computers and quantum simulators, but also high-resolution sensors (see "Functional materials and sensors" theme).<br />
Several wide-gap semiconductors such as diamond, ZnO and SiC will be studied. One part of the studies will consist in positioning by ion implantation paramagnetic defects or coloured centres in diamond or SiC for quantum sensor devices or for the realisation of a quantum register of a few qubits of spins but also for diamond-based photonic devices. Another approach will consist in incorporating by ion implantation magnetic atoms into epitaxial quantum boxes which have shown in the past that they can give rise to couplings between the electron spin of the box exciton and the magnetic spin of the defect in the vicinity of the box. The challenge is to duplicate the phenomenon in diamond and to demonstrate a spin-spin coupling between the spin of a coloured diamond center and the magnetic spin of an atom that would have been implanted not far from the center.<br />
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=Archive: old topics=<br />
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<br />
==Quasi-D2D graphitic carbon films on insulating substrate for transparent electrode ==<br />
<br />
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''' Persons involved: F. Le Normand, C. Speisser, N. Javahiraly, D. Muller, N. Boubiche''' <br><br />
<br />
'''Collaborations: Prof. M. Abdesselam (University of Alger), F. Djeffal (University of Batna II)'''<br />
|}<br />
<br />
For the production of transparent conductive films, a very thin graphite (graphenic) layer can be obtained directly on the surface by partial or total transformation of a Diamond Like Carbon (DLC) film deposited on quartz or glass followed by heat or thermocatalytic treatments. By pulsed laser ablation of graphite at room temperature, a whole class of DLC materials with variable properties (density, sp2/sp3 hybridization ratio, ...) can be obtained depending on the deposition conditions (fluence, thickness, ...). Heat or thermocatalytic treatments change the very thin precursor graphitic layer into a surface graphitic layer by aggregation of the graphitic domains and/or phase transformation of the sp3 carbon (diamond type) (Figure 1). From this point of view, the addition of a very small quantity of transition metal catalyst (less than one monolayer of Fe, Co, Ni), obtained by MBE (at the IPCMS, Strasbourg), proves very beneficial in lowering the temperature and kinetics of these transformations. In addition to its rigidity/hardness, chemical inertness, very low roughness (< 1 nm), the film is transparent in the visible and becomes conductive on the surface. <br><br />
<br />
<br />
[[File:Siteweb11(1).png|center]]<br />
<div class="center"> Figure 1: (left) Experimental film preparation scheme: metal@graphic film/DLC/quartz. (right) Figures of merit (conductivity of transparency) of Ni@graphic film/DLC/quartz and graphic film/DLC/quartz.<br />
</div><br />
<br />
<br />
The figures of merit for these multilayer systems (graphic film/DLC/quartz or catalyst/graphic film/DLC/quartz) are of the same order of magnitude as for ITO/quartz-based electrodes. In the case of the nickel catalyst, these figures of merit (conductivity of transparency) are even much better than ITO (> 105 Siemens/cm from 400°C), whereas without the catalyst it is necessary to go up to 800-1100°C (Figure 2). The thickness of the initial DLC film, the laser fluence, the gaseous environment of the treatment, the nature rather than the metal concentration, the temperature and the kinetics are the parameters currently studied. They should allow us to develop an efficient device as transparent electrodes but also for other applications such as sensors.<br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Nanocrystals of GaN obtained by implantation in dielectric matrices and heat or thermocatalytic treatments in a nitrogenous reducing atmosphere==<br />
<br />
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<br />
''' Persons involved: F. Le Normand, C. Speisser, N. Javahiraly, D. Muller''' <br><br />
<br />
'''Collaborations: Lilia Aggar (PhD student), Prof D. Bradai, M. Abdesselam (University of Alger) / C. Bouillet, M. Gallart (IPCMS/Strasbourg)'''<br />
|}<br />
<br />
The formation of GaN nanocrystals in SiO2/Si was obtained by implantation of Ga+ and N+ ions followed by heat or thermocatalytic treatment at 450 to 950°C in nitrogen reducing atmospheres. Analyses by high-resolution electron microscopy (HRTEM), scanning electron microscopy (SEM), high-resolution X-ray diffraction (XRD), absorption fine structure spectroscopy (XAFS) at the K threshold of Ga, and photoelectron (XPS) and Raman spectroscopy show the formation of very small nanocrystals of GaN with wurtzite structure (2-5 nm). The addition of a surface catalyst controls and activates the decomposition of the dinitrogen to mono nitrogen, preventing the diffusion of ions at the surface, selectively activating the formation of GaN (at the expense of Ga or Ga2O3 formation) and increasing the crystallographic quality of the buried GaN particles (Figure 4).<br />
<br />
<br />
[[File:Image4.png|center]]<br />
<div class="center"> Figure 4: (left) MET image of an implanted layer of GaN on thermal SiO2 in the presence of catalyst; (right) HRTEM of wurtzite GaN particles of size 3-6 nm.</div><br />
<br />
<br />
In the presence of the catalyst, photoluminescence spectra characteristic of intense excitonic emission around 3.45 eV and little "yellow light" characteristic of a material where light is emitted by radiative recombination on defects are obtained. The effect of the dielectric matrix, the nature of the gaseous environment being processed and the temperature is currently being actively studied. <br />
<br />
The aim is to control the average size (in a range below 3 nm where quantum confinement effects and a shift towards high energies are expected), density and depth distribution of these nanoparticles. In particular, it is envisaged to use this method to build photovoltaic tandem structures by implantation of GaN in transparent DLC.<br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Synthesis of graphene by implantation/diffusion of carbon in a metal matrix ==<br />
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''' Persons involved: F. Le Normand, C. Speisser, D. Muller''' <br><br />
|}<br />
<br />
We approached the growth of graphene films by a specific process of carbon ion implantation in a thick metal matrix (Ni, Cu), followed by annealing diffusing the carbon either on the surface or at the interface, depending on the depth of implantation, with eventually a specific application concerning transparent electrodes for photovoltaics. The segregation of carbon films at the surface at low energy (20 keV) and at the interface at high energy (180 keV) was demonstrated. While low-pressure nucleation by such a method strongly limits the obtaining of a graphene film, on the other hand, at the interface with a substrate (MgO(111) or SiO2) it has been possible to obtain homogeneous films with both Cu and Ni. This process has also been tested to produce very thin hexagonal boron nitride films by N and B ion implantation and annealing. We will use for this purpose the new potential of very low energy ion implantation being installed in the C3-Fab platform (1 to 10 keV).<br />
<br />
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[[#bidule|Back to contents]]<br />
<br />
<br />
== Plasmonic nano-sensors for gas detection ==<br />
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<br />
''' Persons involved: Nicolas Javahiraly, François Le-Normand, Nacer Boubiche''' <br><br />
<br />
'''Collaborations: University of Lyon 1.'''<br />
|}<br />
<br />
Hydrogen is presented as the sustainable energy vector of the future, because the hydrogen cycle is one of the most ecological among energy solutions. Hydrogen can be used to produce, store and transport energy and its possible applications are very varied. <br><br />
However, the use of hydrogen presents a significant risk if it is not controlled because it is explosive at 4% in the air, hence the current need for the development of hydrogen leakage nano-sensors for security issues. <br><br />
This group activity is devoted to the search for innovative optical hydrogen leakage sensors exploiting the properties of MIM (Metal Insulator Metal) structures, original nanoparticles (simple NPs, core-shell systems, etc.) and their effects (SPR and LSPR ), to bring real progress in detection performance, for example in terms of sensitivity and response time (ANR NHYLEDECT (lead: Nicolas Javahiraly) in collaboration with the University of Lyon 1).<br><br />
<br />
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[[File:MIM.jpg|left|300px]]<br />
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[[File:Im3 NJ.jpg|left|300px]]<br />
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<br />
<div class="center"> Figure 1: Example of results obtained in the case of a MIM multilayer structure (Au/ SiO2/Pd) on optical fiber. We will note in dotted line the hydrogenated case.<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Micro-pollutant plasmonic sensors ==<br />
<br />
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<br />
''' Persons involved: Nicolas Javahiraly, François Le-Normand''' <br><br />
<br />
'''Collaborations: IPCMS, University of Lyon 1.'''<br />
|}<br />
<br />
The detection of micro pollutants by original systems constitutes one of the important challenges of our society. The cancer agency of the WHO (World Health Organization) has classified five pesticides as "possible" or "probable" carcinogens for humans. This activity of the MACEPV group is dedicated to the study of innovative pollutant sensors exploiting the interaction properties between light and original nanostructured materials. The detection is based on the variation of the, for example, optical properties of the materials used in the presence of the molecule to be detected. Several avenues of investigation are being studied: detection by Surface Plasmon Resonance (SPR) or Local Surface Plasmon Resonance (LSPR) and secondly, that using carbonized structures (Diamond-Like Carbon - DLC)) functionalized but also those exploiting the effects of variations of different parameters (conductivity, resistivity, etc.).<br />
<br />
<br />
[[#bidule|Back to contents]]</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=964
News
2023-02-27T08:15:14Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
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*''<big>''<u> Launch of the STELORG consortium website </u>: <br><br />
|}<br />
<br />
The website of the "Strasbourg electronic organic " consortium, of which the MaCEPV team is a member, has been put online and is accessible at the following address: http://stelorg.unistra.fr/ <br><br />
<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> 1/2 day of seminars on the IMEE and CS axes of ICube </u>: <br><br />
Monday, March 27, 2023 from 9:30 a.m., Location to be confirmed''</big>''<br />
|}<br />
<br />
"Modeling approaches for the IMEE axis" by '''Y. Hoarau, S. Leclerc and J.-M. Dischler''' (ICube) <br><br />
<br />
[[Media: Séminaire Approches de Modélisation.pdf| Program and summaries of presentations]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[http://DOI:%2010.1002/adfm.202202075 Preferential Location of Dopants in the Amorphous Phase of Oriented Regioregular Poly(3-hexylthiophene-2,5-diyl) Films Helps Reach Charge Conductivities of 3000 S cm−1, Yuhan Zhong, Viktoriia Untilova, Dominique Muller, Shubhradip Guchait, Céline Kiefer, Laurent Herrmann, Nicolas Zimmermann, Marion Brosset, Thomas Heiser, and Martin Brinkmann*]<br />
<br />
Abstract: <br><br />
Doping polymer semiconductors is a central topic in plastic electronics and especially in the design of novel thermoelectric (TE) materials. In this con-tribution, it has been demonstrated that doping of oriented semicrystalline P3HT thin films with the dopant tris(4-bromophenyl)ammoniumyl hexachlo-<br />
roantimonate), known as magic blue (MB), helps reach charge conductivities of 3000 S cm−1 and TE power factors of 170 ± 30 μW mK−2 along the polymer chain direction. A combination of transmission electron microscopy, polarized optical absorption spectroscopy, Rutherford backscattering, and TE property<br />
measurements helps clarify the conditions necessary to achieve such high charge conductivities. A comparative study with different dopants demon-strates that the doping mechanism is intimately related to the semicrystalline structure of the polymer and whether crystalline, amorphous or both phases<br />
are doped. The highest charge mobilities are observed when the dopant MB is preferentially located in the amorphous phase of P3HT, leaving the structure of P3HT nanocrystals almost unaltered. In this case, the P3HT nanocrystals are doped from their interface with the surrounding amorphous phase. These<br />
results indicate that doping preferentially the amorphous phase of semi-crystalline polymer semiconductors is an effective strategy to reduce polaron localization, enhance charge mobilities, and improve TE power factors.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[https://doi.org/10.1021/acsami.2c21727 Self-Powered Dynamic Glazing Based on Nematic Liquid Crystals and Organic Photovoltaic Layers for Smart Window Applications Sadiara Fall, Jing Wang, Thomas Regrettier, Nicolas Brouckaert, Olzhas A. Ibraikulov, Nicolas Leclerc, Yaochen Lin, Mohammed Ibn Elhaj, Lachezar Komitov, Patrick Lévêque, Yuhan Zhong, Martin Brinkmann, Malgosia Kaczmarek, and Thomas Heiser*]<br />
<br />
[[File:PubliMaCEPV graphical abstract.webp|center|350px]]<br />
<br />
<br />
Abstract: <br><br />
Dynamic windows allow monitoring of in-door solar radiation and thus improve user comfort and energy efficiency in buildings and vehicles. Existing technologies are, however, hampered by limitations in switching speed, energy e!ciency, user control, or production costs. Here, we introduce a new concept for self-powered switchable glazing that combines a nematic liquid crystal, as an electro-optic active layer, with an organic photovoltaic material. The latter aligns the liquid crystal molecules and generates, under illumination, an electric field that changes the molecular orientation and thereby the device transmittance in the visible and near-infrared region. Small-area devices can be switched from clear to dark in hundreds of milliseconds without an external power supply. The drop in transmittance can be adjusted using a variable resistor and is shown to be reversible and stable for more than 5 h. First<br />
solution-processed large-area (15 cm²) devices are presented, and prospects for smart window applications are discussed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV invited seminar </u> : <br><br />
Thursday 15 december 2022 at 14:00, A301 Télécom Physique Strasbourg Illkirch''</big>''<br />
|}<br />
<br />
"Electrical properties of liquid crystals: characterization, instrumentation and applications" by '''Redouane Douali''' (Professor, Université du Littoral Cote d'Opale, UDSMM Dunkerque)<br><br />
<br />
<br />
Summary <br><br />
Liquid crystals are organic materials with states of matter intermediate between liquid and solid states. They are fluid and self-organized materials that can exhibit orders of orientation and position (layered or columnar structures, depending on the shape of the molecule), which gives them the property of anisotropy and results in interesting properties for applications. The characterization of properties is a crucial step for the development and optimization of devices. The presentation will deal with tools and characterization techniques adapted to liquid crystals; the focus will be on electrical properties and applications in the field of electronics.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Tuesday, December 13, 2022 at 10 a.m. Amphitheater Marguerite Perrey (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Synthesis and characterizations of Silicon Clathrates films for photovoltaic applications" <br><br />
by '''Romain Vollondat''' <br />
<br />
<br />
Summary:<br />
<br />
This PhD thesis focuses on the production of Silicon Clathrate films and the investigation of their optoelectronic and structural properties. Silicon Clathrates are inclusion compounds formed by a lattice of silicon cages occupied by sodium. Free of sodium, these Silicon Clathrates are exotic direct-band allotropes of silicon alluring for solar technologies. The synthesis process by thermal decomposition is studied in order to obtain the best possible quality films. The reversible control of the sodium occupation of the type-II films allows the transition of the film from a metallic to a semiconductor behaviour. The surface doping of these films with arsenic allows a promising improvement of the photovoltaic response of the material.<br />
<br />
<br />
<br />
Jury members:<br><br />
• Mme. Anne Kaminski-Cachopo - - Reviewer (Professor, IMEP-LAHC, CNRS-Grenoble INP)<br><br />
• M. Pere Roca i Cabarrocas - - Reviewer (Research Director, LPICM, Institut Polytechnique of Paris)<br><br />
• Mme. Sylvie Bégin - - Examiner (Professor, IPCMS, CNRS-Strasbourg University)<br><br />
• M. Jef Poortmans - - Examiner (Research Director, IMEC, Leuven, Belgium)<br><br />
• M. Thomas Fix - - Thesis supervisor (Research Fellow, ICube, CNRS-Strasbourg Unversity)<br><br />
• M. Abdelilah Slaoui - - Thesis co-supervisor (Research Director, ICube, CNRS-Strasbourg University)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Monday, December 12, 2022 at 10:30 a.m. Marguerite Perey Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth and characterization of Cuprous Oxide Absorbers for Photovoltaics" <br><br />
by '''Chithira VENUGOPALAN KARTHA''' <br />
<br />
<br />
Summary:<br />
<br />
Cuprous Oxide (Cu2O) is a promising candidate as an absorber in photovoltaics. In this work, initially we have optimized the deposition conditions for pure Cu2O film without any parasitic CuO phase via Pulsed Laser Deposition (PLD) and RF Magnetron Sputtering. Optimization of the thermal oxidation of copper sheets to obtain Cu2O was also carried out. We have shown that the stoichiometry of the film can be controlled by varying the deposition conditions. The absorber properties of the films wereinvestigated in detail with several structural, optical, and electrical characterization techniques. To study the influence of the Cu2O growth technique on the absorber properties, optimised PLD and sputtered Cu2O films were compared to thermally oxidised Cu2O sheets. The photovoltaic response of the same absorber prepared via different techniques was also investigated by constructing solar cells with suitable heterojunctions. An open-circuit voltage of 0.56 V was measured from epitaxially grown PLD Cu2O with Nb:SrTiO3 heterojunction. The highest current was obtained for solar cell with thermally oxidised sheet with a short-circuit current density of 1.90 mA/cm2. The sputtered Cu2O solar cell also showed promising photovoltaic response. Finally, the variation in the absorber efficiency of Cu2O was analysed using advanced characterization techniques such as Transient Absorption and Time-Correlated Single Photon Counting. The presence of defects or traps were found to influence the carrier lifetime in the PLD and sputtered Cu2O films, highly affecting the charge carrier separation efficiency when employed in a photovoltaic cell. <br />
<br />
<br />
Jury members:<br><br />
M. BARREAU Nicolas -- Reviewer - Associate professor HDR,IMN, Université de Strasbourg<br><br />
M.EL MARSSI Mimoun-- Reviewer - Professor, LPMC Université de Picardie Jules Verne, Amiens<br><br />
Mme.VIART Nathalie -- Examinator - Professor, IPCMS, CNRS- Université de Strasbourg<br><br />
M.DESCHANVRES Jean-Luc -- Examinator- Research Fellow, LMGP, CNRS- Université Grenoble Alpes<br><br />
M.SLAOUI Abdelilah -- Supervisor - Supervisor, ICube, CNRS- Université de Strasbourg<br><br />
M.FIX Thomas -- Co-supervisor - Research Fellow, ICube, CNRS- Université de Strasbourg<br><br />
M. FERBLANTIER Gérald -- Invitee - Associate professor, ICube, CNRS- Université de Strasbourg<br><br />
<br />
<br />
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*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
<br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
[[File:Schéma lien photovoltaïque - thermoélectricité.png|center|150px]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
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*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
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|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
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*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
<br />
"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
<br />
"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
<br />
<br />
ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
<br />
<br />
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'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
<br />
|}<br />
<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
<br />
|}<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
|}<br />
<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
|}<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
|}<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
<br />
|}<br />
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|<br />
<br />
'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
|}<br />
<br />
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'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
|}<br />
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'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
|}<br />
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|<br />
'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Main_Page&diff=963
Main Page
2023-02-27T08:10:07Z
<p>Steveler : </p>
<hr />
<div>[[fr:Accueil]]<br />
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''<big>'''<big>Research activities of MaCEPV team</big>'''</big>''<br />
|}<br />
<br />
The activities of the '''MaCEPV team''' are at the interface between the '''physics of electronic materials''' and the '''development of elementary semiconductor devices'''. They are based on the team's multidisciplinary skills in the '''development of thin films''' by physical or chemical methods, and in the '''fabrication and advanced characterization of electronic, photovoltaic or optical devices'''. <br><br />
<br />
Our work aims to better understand the physical mechanisms governing the growth of nano-structured thin films, to modify materials by chemical or physical treatments and to study opto-electronic properties that have a strong impact on device operation (electrical conductivity, charge carrier mobility, band structure, absorption and emission spectra, etc.). The materials are generally designed to be integrated as an active element in elementary devices in order to improve their "performance" or to provide new functionalities.<br />
<br><br />
<br />
<br />
The materials studied (since the creation of the team) are, among others, crystalline or microcrystalline silicon, metal oxides based on zinc or tin, nitrides, oxides and oxynitrides, ferroelectric inorganic perovskites, carbon materials such as graphene or Diamond Like Carbon (DLC), semiconducting polymers and molecular semiconductors. It should be noted that organic materials are developed in close collaboration with several teams of chemists and physico-chemists from local public laboratories which gave birth to the "Strasbourg electronic organic " consortium [http://stelorg.unistra.fr/ STELORG].<br />
<br />
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[[File:Imagetheme3.png|thumb|upright=0.7|gauche |link= Nanomaterials for electronics and sensors|[[Nanomaterials for electronics and sensors]]]]<br />
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[[File:Imagetheme2.png|thumb|upright=0.9|gauche|link= Materials and photovoltaic components|[[Materials and photovoltaic components]]]]<br />
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<br />
<br />
{|<br />
<big> The team's work is organised into 2 main activities which are described in more detail below: </big><br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<big><br />
*''1. [[Nanomaterials for electronics and sensors]]''<br><br />
*''2. [[Materials and photovoltaic components]]''<br><br />
</big><br />
|}<br />
<br />
<br />
<br />
<br />
'''ICube UMR 7357 - Engineering science, computer science and imaging laboratory '''<br><br />
'''D-ESSP department - MaCEPV team ''' <br><br />
23, rue du Loess - BP 20 CR - 67037 STRASBOURG Cedex 2 - France <br><br />
Tel.: +33 (0)3 88 10 6328 <br />
<br />
© 2013 ICube - Website created by ICube - [[Legal notice]]</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=955
News
2023-02-13T16:16:17Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
<br />
{|border="0"<br />
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*''<big>''<u> 1/2 day of seminars on the IMEE and CS axes of ICube </u>: <br><br />
Monday, March 27, 2023 from 9:30 a.m., Location to be confirmed''</big>''<br />
|}<br />
<br />
"Modeling approaches for the IMEE axis" by '''Y. Hoarau, S. Leclerc and J.-M. Dischler''' (ICube) <br><br />
<br />
[[Media: Séminaire Approches de Modélisation.pdf| Program and summaries of presentations]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[http://DOI:%2010.1002/adfm.202202075 Preferential Location of Dopants in the Amorphous Phase of Oriented Regioregular Poly(3-hexylthiophene-2,5-diyl) Films Helps Reach Charge Conductivities of 3000 S cm−1, Yuhan Zhong, Viktoriia Untilova, Dominique Muller, Shubhradip Guchait, Céline Kiefer, Laurent Herrmann, Nicolas Zimmermann, Marion Brosset, Thomas Heiser, and Martin Brinkmann*]<br />
<br />
Abstract: <br><br />
Doping polymer semiconductors is a central topic in plastic electronics and especially in the design of novel thermoelectric (TE) materials. In this con-tribution, it has been demonstrated that doping of oriented semicrystalline P3HT thin films with the dopant tris(4-bromophenyl)ammoniumyl hexachlo-<br />
roantimonate), known as magic blue (MB), helps reach charge conductivities of 3000 S cm−1 and TE power factors of 170 ± 30 μW mK−2 along the polymer chain direction. A combination of transmission electron microscopy, polarized optical absorption spectroscopy, Rutherford backscattering, and TE property<br />
measurements helps clarify the conditions necessary to achieve such high charge conductivities. A comparative study with different dopants demon-strates that the doping mechanism is intimately related to the semicrystalline structure of the polymer and whether crystalline, amorphous or both phases<br />
are doped. The highest charge mobilities are observed when the dopant MB is preferentially located in the amorphous phase of P3HT, leaving the structure of P3HT nanocrystals almost unaltered. In this case, the P3HT nanocrystals are doped from their interface with the surrounding amorphous phase. These<br />
results indicate that doping preferentially the amorphous phase of semi-crystalline polymer semiconductors is an effective strategy to reduce polaron localization, enhance charge mobilities, and improve TE power factors.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[https://doi.org/10.1021/acsami.2c21727 Self-Powered Dynamic Glazing Based on Nematic Liquid Crystals and Organic Photovoltaic Layers for Smart Window Applications Sadiara Fall, Jing Wang, Thomas Regrettier, Nicolas Brouckaert, Olzhas A. Ibraikulov, Nicolas Leclerc, Yaochen Lin, Mohammed Ibn Elhaj, Lachezar Komitov, Patrick Lévêque, Yuhan Zhong, Martin Brinkmann, Malgosia Kaczmarek, and Thomas Heiser*]<br />
<br />
[[File:PubliMaCEPV graphical abstract.webp|center|350px]]<br />
<br />
<br />
Abstract: <br><br />
Dynamic windows allow monitoring of in-door solar radiation and thus improve user comfort and energy efficiency in buildings and vehicles. Existing technologies are, however, hampered by limitations in switching speed, energy e!ciency, user control, or production costs. Here, we introduce a new concept for self-powered switchable glazing that combines a nematic liquid crystal, as an electro-optic active layer, with an organic photovoltaic material. The latter aligns the liquid crystal molecules and generates, under illumination, an electric field that changes the molecular orientation and thereby the device transmittance in the visible and near-infrared region. Small-area devices can be switched from clear to dark in hundreds of milliseconds without an external power supply. The drop in transmittance can be adjusted using a variable resistor and is shown to be reversible and stable for more than 5 h. First<br />
solution-processed large-area (15 cm²) devices are presented, and prospects for smart window applications are discussed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u>MaCEPV invited seminar </u> : <br><br />
Thursday 15 december 2022 at 14:00, A301 Télécom Physique Strasbourg Illkirch''</big>''<br />
|}<br />
<br />
"Electrical properties of liquid crystals: characterization, instrumentation and applications" by '''Redouane Douali''' (Professor, Université du Littoral Cote d'Opale, UDSMM Dunkerque)<br><br />
<br />
<br />
Summary <br><br />
Liquid crystals are organic materials with states of matter intermediate between liquid and solid states. They are fluid and self-organized materials that can exhibit orders of orientation and position (layered or columnar structures, depending on the shape of the molecule), which gives them the property of anisotropy and results in interesting properties for applications. The characterization of properties is a crucial step for the development and optimization of devices. The presentation will deal with tools and characterization techniques adapted to liquid crystals; the focus will be on electrical properties and applications in the field of electronics.<br />
<br />
<br />
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*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Tuesday, December 13, 2022 at 10 a.m. Amphitheater Marguerite Perrey (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Synthesis and characterizations of Silicon Clathrates films for photovoltaic applications" <br><br />
by '''Romain Vollondat''' <br />
<br />
<br />
Summary:<br />
<br />
This PhD thesis focuses on the production of Silicon Clathrate films and the investigation of their optoelectronic and structural properties. Silicon Clathrates are inclusion compounds formed by a lattice of silicon cages occupied by sodium. Free of sodium, these Silicon Clathrates are exotic direct-band allotropes of silicon alluring for solar technologies. The synthesis process by thermal decomposition is studied in order to obtain the best possible quality films. The reversible control of the sodium occupation of the type-II films allows the transition of the film from a metallic to a semiconductor behaviour. The surface doping of these films with arsenic allows a promising improvement of the photovoltaic response of the material.<br />
<br />
<br />
<br />
Jury members:<br><br />
• Mme. Anne Kaminski-Cachopo - - Reviewer (Professor, IMEP-LAHC, CNRS-Grenoble INP)<br><br />
• M. Pere Roca i Cabarrocas - - Reviewer (Research Director, LPICM, Institut Polytechnique of Paris)<br><br />
• Mme. Sylvie Bégin - - Examiner (Professor, IPCMS, CNRS-Strasbourg University)<br><br />
• M. Jef Poortmans - - Examiner (Research Director, IMEC, Leuven, Belgium)<br><br />
• M. Thomas Fix - - Thesis supervisor (Research Fellow, ICube, CNRS-Strasbourg Unversity)<br><br />
• M. Abdelilah Slaoui - - Thesis co-supervisor (Research Director, ICube, CNRS-Strasbourg University)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Monday, December 12, 2022 at 10:30 a.m. Marguerite Perey Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth and characterization of Cuprous Oxide Absorbers for Photovoltaics" <br><br />
by '''Chithira VENUGOPALAN KARTHA''' <br />
<br />
<br />
Summary:<br />
<br />
Cuprous Oxide (Cu2O) is a promising candidate as an absorber in photovoltaics. In this work, initially we have optimized the deposition conditions for pure Cu2O film without any parasitic CuO phase via Pulsed Laser Deposition (PLD) and RF Magnetron Sputtering. Optimization of the thermal oxidation of copper sheets to obtain Cu2O was also carried out. We have shown that the stoichiometry of the film can be controlled by varying the deposition conditions. The absorber properties of the films wereinvestigated in detail with several structural, optical, and electrical characterization techniques. To study the influence of the Cu2O growth technique on the absorber properties, optimised PLD and sputtered Cu2O films were compared to thermally oxidised Cu2O sheets. The photovoltaic response of the same absorber prepared via different techniques was also investigated by constructing solar cells with suitable heterojunctions. An open-circuit voltage of 0.56 V was measured from epitaxially grown PLD Cu2O with Nb:SrTiO3 heterojunction. The highest current was obtained for solar cell with thermally oxidised sheet with a short-circuit current density of 1.90 mA/cm2. The sputtered Cu2O solar cell also showed promising photovoltaic response. Finally, the variation in the absorber efficiency of Cu2O was analysed using advanced characterization techniques such as Transient Absorption and Time-Correlated Single Photon Counting. The presence of defects or traps were found to influence the carrier lifetime in the PLD and sputtered Cu2O films, highly affecting the charge carrier separation efficiency when employed in a photovoltaic cell. <br />
<br />
<br />
Jury members:<br><br />
M. BARREAU Nicolas -- Reviewer - Associate professor HDR,IMN, Université de Strasbourg<br><br />
M.EL MARSSI Mimoun-- Reviewer - Professor, LPMC Université de Picardie Jules Verne, Amiens<br><br />
Mme.VIART Nathalie -- Examinator - Professor, IPCMS, CNRS- Université de Strasbourg<br><br />
M.DESCHANVRES Jean-Luc -- Examinator- Research Fellow, LMGP, CNRS- Université Grenoble Alpes<br><br />
M.SLAOUI Abdelilah -- Supervisor - Supervisor, ICube, CNRS- Université de Strasbourg<br><br />
M.FIX Thomas -- Co-supervisor - Research Fellow, ICube, CNRS- Université de Strasbourg<br><br />
M. FERBLANTIER Gérald -- Invitee - Associate professor, ICube, CNRS- Université de Strasbourg<br><br />
<br />
<br />
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*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
<br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
[[File:Schéma lien photovoltaïque - thermoélectricité.png|center|150px]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
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|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
<br />
"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
<br />
"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
<br />
<br />
ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
<br />
<br />
{|class="wikitable"<br />
|<br />
'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
<br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
<br />
|}<br />
<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
<br />
|}<br />
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<br />
'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
|}<br />
<br />
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'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
|}<br />
<br />
{|class="wikitable"<br />
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'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
|}<br />
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'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=954
News
2023-01-13T17:48:13Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
<br />
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[[File:bandeau_news.png|x150px|link=https://macepv.icube.unistra.fr/en/index.php/News |News]]<br />
|}<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[http://DOI:%2010.1002/adfm.202202075 Preferential Location of Dopants in the Amorphous Phase of Oriented Regioregular Poly(3-hexylthiophene-2,5-diyl) Films Helps Reach Charge Conductivities of 3000 S cm−1, Yuhan Zhong, Viktoriia Untilova, Dominique Muller, Shubhradip Guchait, Céline Kiefer, Laurent Herrmann, Nicolas Zimmermann, Marion Brosset, Thomas Heiser, and Martin Brinkmann*]<br />
<br />
Abstract: <br><br />
Doping polymer semiconductors is a central topic in plastic electronics and especially in the design of novel thermoelectric (TE) materials. In this con-tribution, it has been demonstrated that doping of oriented semicrystalline P3HT thin films with the dopant tris(4-bromophenyl)ammoniumyl hexachlo-<br />
roantimonate), known as magic blue (MB), helps reach charge conductivities of 3000 S cm−1 and TE power factors of 170 ± 30 μW mK−2 along the polymer chain direction. A combination of transmission electron microscopy, polarized optical absorption spectroscopy, Rutherford backscattering, and TE property<br />
measurements helps clarify the conditions necessary to achieve such high charge conductivities. A comparative study with different dopants demon-strates that the doping mechanism is intimately related to the semicrystalline structure of the polymer and whether crystalline, amorphous or both phases<br />
are doped. The highest charge mobilities are observed when the dopant MB is preferentially located in the amorphous phase of P3HT, leaving the structure of P3HT nanocrystals almost unaltered. In this case, the P3HT nanocrystals are doped from their interface with the surrounding amorphous phase. These<br />
results indicate that doping preferentially the amorphous phase of semi-crystalline polymer semiconductors is an effective strategy to reduce polaron localization, enhance charge mobilities, and improve TE power factors.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> :''</big>''<br />
|}<br />
[https://doi.org/10.1021/acsami.2c21727 Self-Powered Dynamic Glazing Based on Nematic Liquid Crystals and Organic Photovoltaic Layers for Smart Window Applications Sadiara Fall, Jing Wang, Thomas Regrettier, Nicolas Brouckaert, Olzhas A. Ibraikulov, Nicolas Leclerc, Yaochen Lin, Mohammed Ibn Elhaj, Lachezar Komitov, Patrick Lévêque, Yuhan Zhong, Martin Brinkmann, Malgosia Kaczmarek, and Thomas Heiser*]<br />
<br />
[[File:PubliMaCEPV graphical abstract.webp|center|350px]]<br />
<br />
<br />
Abstract: <br><br />
Dynamic windows allow monitoring of in-door solar radiation and thus improve user comfort and energy efficiency in buildings and vehicles. Existing technologies are, however, hampered by limitations in switching speed, energy e!ciency, user control, or production costs. Here, we introduce a new concept for self-powered switchable glazing that combines a nematic liquid crystal, as an electro-optic active layer, with an organic photovoltaic material. The latter aligns the liquid crystal molecules and generates, under illumination, an electric field that changes the molecular orientation and thereby the device transmittance in the visible and near-infrared region. Small-area devices can be switched from clear to dark in hundreds of milliseconds without an external power supply. The drop in transmittance can be adjusted using a variable resistor and is shown to be reversible and stable for more than 5 h. First<br />
solution-processed large-area (15 cm²) devices are presented, and prospects for smart window applications are discussed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV invited seminar </u> : <br><br />
Thursday 15 december 2022 at 14:00, A301 Télécom Physique Strasbourg Illkirch''</big>''<br />
|}<br />
<br />
"Electrical properties of liquid crystals: characterization, instrumentation and applications" by '''Redouane Douali''' (Professor, Université du Littoral Cote d'Opale, UDSMM Dunkerque)<br><br />
<br />
<br />
Summary <br><br />
Liquid crystals are organic materials with states of matter intermediate between liquid and solid states. They are fluid and self-organized materials that can exhibit orders of orientation and position (layered or columnar structures, depending on the shape of the molecule), which gives them the property of anisotropy and results in interesting properties for applications. The characterization of properties is a crucial step for the development and optimization of devices. The presentation will deal with tools and characterization techniques adapted to liquid crystals; the focus will be on electrical properties and applications in the field of electronics.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Tuesday, December 13, 2022 at 10 a.m. Amphitheater Marguerite Perrey (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Synthesis and characterizations of Silicon Clathrates films for photovoltaic applications" <br><br />
by '''Romain Vollondat''' <br />
<br />
<br />
Summary:<br />
<br />
This PhD thesis focuses on the production of Silicon Clathrate films and the investigation of their optoelectronic and structural properties. Silicon Clathrates are inclusion compounds formed by a lattice of silicon cages occupied by sodium. Free of sodium, these Silicon Clathrates are exotic direct-band allotropes of silicon alluring for solar technologies. The synthesis process by thermal decomposition is studied in order to obtain the best possible quality films. The reversible control of the sodium occupation of the type-II films allows the transition of the film from a metallic to a semiconductor behaviour. The surface doping of these films with arsenic allows a promising improvement of the photovoltaic response of the material.<br />
<br />
<br />
<br />
Jury members:<br><br />
• Mme. Anne Kaminski-Cachopo - - Reviewer (Professor, IMEP-LAHC, CNRS-Grenoble INP)<br><br />
• M. Pere Roca i Cabarrocas - - Reviewer (Research Director, LPICM, Institut Polytechnique of Paris)<br><br />
• Mme. Sylvie Bégin - - Examiner (Professor, IPCMS, CNRS-Strasbourg University)<br><br />
• M. Jef Poortmans - - Examiner (Research Director, IMEC, Leuven, Belgium)<br><br />
• M. Thomas Fix - - Thesis supervisor (Research Fellow, ICube, CNRS-Strasbourg Unversity)<br><br />
• M. Abdelilah Slaoui - - Thesis co-supervisor (Research Director, ICube, CNRS-Strasbourg University)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Monday, December 12, 2022 at 10:30 a.m. Marguerite Perey Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth and characterization of Cuprous Oxide Absorbers for Photovoltaics" <br><br />
by '''Chithira VENUGOPALAN KARTHA''' <br />
<br />
<br />
Summary:<br />
<br />
Cuprous Oxide (Cu2O) is a promising candidate as an absorber in photovoltaics. In this work, initially we have optimized the deposition conditions for pure Cu2O film without any parasitic CuO phase via Pulsed Laser Deposition (PLD) and RF Magnetron Sputtering. Optimization of the thermal oxidation of copper sheets to obtain Cu2O was also carried out. We have shown that the stoichiometry of the film can be controlled by varying the deposition conditions. The absorber properties of the films wereinvestigated in detail with several structural, optical, and electrical characterization techniques. To study the influence of the Cu2O growth technique on the absorber properties, optimised PLD and sputtered Cu2O films were compared to thermally oxidised Cu2O sheets. The photovoltaic response of the same absorber prepared via different techniques was also investigated by constructing solar cells with suitable heterojunctions. An open-circuit voltage of 0.56 V was measured from epitaxially grown PLD Cu2O with Nb:SrTiO3 heterojunction. The highest current was obtained for solar cell with thermally oxidised sheet with a short-circuit current density of 1.90 mA/cm2. The sputtered Cu2O solar cell also showed promising photovoltaic response. Finally, the variation in the absorber efficiency of Cu2O was analysed using advanced characterization techniques such as Transient Absorption and Time-Correlated Single Photon Counting. The presence of defects or traps were found to influence the carrier lifetime in the PLD and sputtered Cu2O films, highly affecting the charge carrier separation efficiency when employed in a photovoltaic cell. <br />
<br />
<br />
Jury members:<br><br />
M. BARREAU Nicolas -- Reviewer - Associate professor HDR,IMN, Université de Strasbourg<br><br />
M.EL MARSSI Mimoun-- Reviewer - Professor, LPMC Université de Picardie Jules Verne, Amiens<br><br />
Mme.VIART Nathalie -- Examinator - Professor, IPCMS, CNRS- Université de Strasbourg<br><br />
M.DESCHANVRES Jean-Luc -- Examinator- Research Fellow, LMGP, CNRS- Université Grenoble Alpes<br><br />
M.SLAOUI Abdelilah -- Supervisor - Supervisor, ICube, CNRS- Université de Strasbourg<br><br />
M.FIX Thomas -- Co-supervisor - Research Fellow, ICube, CNRS- Université de Strasbourg<br><br />
M. FERBLANTIER Gérald -- Invitee - Associate professor, ICube, CNRS- Université de Strasbourg<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
<br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
[[File:Schéma lien photovoltaïque - thermoélectricité.png|center|150px]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
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|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
<br />
"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
<br />
"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
<br />
<br />
ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
<br />
<br />
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'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
<br />
|}<br />
<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
<br />
|}<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
|}<br />
<br />
{|class="wikitable"<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
|}<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
<br />
|}<br />
{|class="wikitable"<br />
|<br />
<br />
'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=953
People
2023-01-13T10:10:13Z
<p>Steveler : /* Researchers and professors */</p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
[[File: MaCEPV team.jpg|center|700px]]<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> ''Director of the department physical measurements of the IUT Louis Pasteur''||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Technical leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|[[Jérôme TRIBOLLET|TRIBOLLET]]||Jérôme||Associate professor ||03 88 10 || tribollet <br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|BEL-HADJ||Ibrahim||<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT etu.unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick-oumar.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA <br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||Contractual at INES-CEA<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student at INPT-ENSIACET (in collaboration with MaCEPV)<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé|| Teacher at university, Cameroun<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||<br />
|-<br />
|VOLLONDAT ||Romain|| <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=952
People
2023-01-13T10:03:42Z
<p>Steveler : </p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
[[File: MaCEPV team.jpg|center|700px]]<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> <!--''Co-team leader''-->||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|[[Jérôme TRIBOLLET|TRIBOLLET]]||Jérôme||Associate professor ||03 88 10 || tribollet <br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|BEL-HADJ||Ibrahim||<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT etu.unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick-oumar.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA <br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||Contractual at INES-CEA<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student at INPT-ENSIACET (in collaboration with MaCEPV)<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé|| Teacher at university, Cameroun<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||<br />
|-<br />
|VOLLONDAT ||Romain|| <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=951
People
2023-01-13T09:59:48Z
<p>Steveler : /* Former members (in alphabetical order) */</p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
[[File: MaCEPV team.jpg|center|700px]]<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
'' Board members: '' <br><br />
FERBLANTIER Gérald <br><br />
FIX Thomas <br><br />
MULLER Dominique <br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> <!--''Co-team leader''-->||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|[[Jérôme TRIBOLLET|TRIBOLLET]]||Jérôme||Associate professor ||03 88 10 || tribollet <br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|BEL-HADJ||Ibrahim||<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT etu.unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick-oumar.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA <br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||Contractual at INES-CEA<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student at INPT-ENSIACET (in collaboration with MaCEPV)<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé|| Teacher at university, Cameroun<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||<br />
|-<br />
|VOLLONDAT ||Romain|| <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=950
People
2023-01-13T09:59:25Z
<p>Steveler : /* Non-permanent staff */</p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
[[File: MaCEPV team.jpg|center|700px]]<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
'' Board members: '' <br><br />
FERBLANTIER Gérald <br><br />
FIX Thomas <br><br />
MULLER Dominique <br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> <!--''Co-team leader''-->||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|[[Jérôme TRIBOLLET|TRIBOLLET]]||Jérôme||Associate professor ||03 88 10 || tribollet <br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|BEL-HADJ||Ibrahim||<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT etu.unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick-oumar.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA <br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||Contractual at INES-CEA<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student at INPT-ENSIACET (in collaboration with MaCEPV)<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé|| Teacher at university, Cameroun<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=949
News
2022-12-13T14:08:57Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
<br />
{|border="0"<br />
[[File:bandeau_news.png|x150px|link=https://macepv.icube.unistra.fr/en/index.php/News |News]]<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV invited seminar </u> : <br><br />
Thursday 15 december 2022 at 14:00, A301 Télécom Physique Strasbourg Illkirch''</big>''<br />
|}<br />
<br />
"Electrical properties of liquid crystals: characterization, instrumentation and applications" by '''Redouane Douali''' (Professor, Université du Littoral Cote d'Opale, UDSMM Dunkerque)<br><br />
<br />
<br />
Summary <br><br />
Liquid crystals are organic materials with states of matter intermediate between liquid and solid states. They are fluid and self-organized materials that can exhibit orders of orientation and position (layered or columnar structures, depending on the shape of the molecule), which gives them the property of anisotropy and results in interesting properties for applications. The characterization of properties is a crucial step for the development and optimization of devices. The presentation will deal with tools and characterization techniques adapted to liquid crystals; the focus will be on electrical properties and applications in the field of electronics.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Tuesday, December 13, 2022 at 10 a.m. Amphitheater Marguerite Perrey (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Synthesis and characterizations of Silicon Clathrates films for photovoltaic applications" <br><br />
by '''Romain Vollondat''' <br />
<br />
<br />
Summary:<br />
<br />
This PhD thesis focuses on the production of Silicon Clathrate films and the investigation of their optoelectronic and structural properties. Silicon Clathrates are inclusion compounds formed by a lattice of silicon cages occupied by sodium. Free of sodium, these Silicon Clathrates are exotic direct-band allotropes of silicon alluring for solar technologies. The synthesis process by thermal decomposition is studied in order to obtain the best possible quality films. The reversible control of the sodium occupation of the type-II films allows the transition of the film from a metallic to a semiconductor behaviour. The surface doping of these films with arsenic allows a promising improvement of the photovoltaic response of the material.<br />
<br />
<br />
<br />
Jury members:<br><br />
• Mme. Anne Kaminski-Cachopo - - Reviewer (Professor, IMEP-LAHC, CNRS-Grenoble INP)<br><br />
• M. Pere Roca i Cabarrocas - - Reviewer (Research Director, LPICM, Institut Polytechnique of Paris)<br><br />
• Mme. Sylvie Bégin - - Examiner (Professor, IPCMS, CNRS-Strasbourg University)<br><br />
• M. Jef Poortmans - - Examiner (Research Director, IMEC, Leuven, Belgium)<br><br />
• M. Thomas Fix - - Thesis supervisor (Research Fellow, ICube, CNRS-Strasbourg Unversity)<br><br />
• M. Abdelilah Slaoui - - Thesis co-supervisor (Research Director, ICube, CNRS-Strasbourg University)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Monday, December 12, 2022 at 10:30 a.m. Marguerite Perey Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth and characterization of Cuprous Oxide Absorbers for Photovoltaics" <br><br />
by '''Chithira VENUGOPALAN KARTHA''' <br />
<br />
<br />
Summary:<br />
<br />
Cuprous Oxide (Cu2O) is a promising candidate as an absorber in photovoltaics. In this work, initially we have optimized the deposition conditions for pure Cu2O film without any parasitic CuO phase via Pulsed Laser Deposition (PLD) and RF Magnetron Sputtering. Optimization of the thermal oxidation of copper sheets to obtain Cu2O was also carried out. We have shown that the stoichiometry of the film can be controlled by varying the deposition conditions. The absorber properties of the films wereinvestigated in detail with several structural, optical, and electrical characterization techniques. To study the influence of the Cu2O growth technique on the absorber properties, optimised PLD and sputtered Cu2O films were compared to thermally oxidised Cu2O sheets. The photovoltaic response of the same absorber prepared via different techniques was also investigated by constructing solar cells with suitable heterojunctions. An open-circuit voltage of 0.56 V was measured from epitaxially grown PLD Cu2O with Nb:SrTiO3 heterojunction. The highest current was obtained for solar cell with thermally oxidised sheet with a short-circuit current density of 1.90 mA/cm2. The sputtered Cu2O solar cell also showed promising photovoltaic response. Finally, the variation in the absorber efficiency of Cu2O was analysed using advanced characterization techniques such as Transient Absorption and Time-Correlated Single Photon Counting. The presence of defects or traps were found to influence the carrier lifetime in the PLD and sputtered Cu2O films, highly affecting the charge carrier separation efficiency when employed in a photovoltaic cell. <br />
<br />
<br />
Jury members:<br><br />
M. BARREAU Nicolas -- Reviewer - Associate professor HDR,IMN, Université de Strasbourg<br><br />
M.EL MARSSI Mimoun-- Reviewer - Professor, LPMC Université de Picardie Jules Verne, Amiens<br><br />
Mme.VIART Nathalie -- Examinator - Professor, IPCMS, CNRS- Université de Strasbourg<br><br />
M.DESCHANVRES Jean-Luc -- Examinator- Research Fellow, LMGP, CNRS- Université Grenoble Alpes<br><br />
M.SLAOUI Abdelilah -- Supervisor - Supervisor, ICube, CNRS- Université de Strasbourg<br><br />
M.FIX Thomas -- Co-supervisor - Research Fellow, ICube, CNRS- Université de Strasbourg<br><br />
M. FERBLANTIER Gérald -- Invitee - Associate professor, ICube, CNRS- Université de Strasbourg<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
<br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
[[File:Schéma lien photovoltaïque - thermoélectricité.png|center|150px]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
|-<br />
|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
<br />
"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
<br />
"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
<br />
<br />
ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
<br />
<br />
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|<br />
'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
<br />
|}<br />
<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
<br />
|}<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
|}<br />
<br />
{|class="wikitable"<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
|}<br />
<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
|}<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
|}<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
<br />
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'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
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'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=948
People
2022-12-06T08:17:09Z
<p>Steveler : </p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
[[File: MaCEPV team.jpg|center|700px]]<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
'' Board members: '' <br><br />
FERBLANTIER Gérald <br><br />
FIX Thomas <br><br />
MULLER Dominique <br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> <!--''Co-team leader''-->||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|[[Jérôme TRIBOLLET|TRIBOLLET]]||Jérôme||Associate professor ||03 88 10 || tribollet <br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|BEL-HADJ||Ibrahim||<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT etu.unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick-oumar.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||venugopalan AT unistra.fr<br />
|-<br />
|VOLLONDAT ||Romain|| romain.vollondat<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA <br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||Contractual at INES-CEA<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student at INPT-ENSIACET (in collaboration with MaCEPV)<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé|| Teacher at university, Cameroun<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=947
People
2022-11-24T08:53:17Z
<p>Steveler : /* Former members (in alphabetical order) */</p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
[[File: MaCEPV team.jpg|center|700px]]<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-team leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
'' Board members: '' <br><br />
FERBLANTIER Gérald <br><br />
FIX Thomas <br><br />
MULLER Dominique <br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> <!--''Co-team leader''-->||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-team leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|[[Jérôme TRIBOLLET|TRIBOLLET]]||Jérôme||Associate professor ||03 88 10 || tribollet <br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|BEL-HADJ||Ibrahim||<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||venugopalan AT unistra.fr<br />
|-<br />
|VOLLONDAT ||Romain|| romain.vollondat<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA <br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||Contractual at INES-CEA<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student at INPT-ENSIACET (in collaboration with MaCEPV)<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé|| Teacher at university, Cameroun<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=J%C3%A9r%C3%B4me_TRIBOLLET&diff=946
Jérôme TRIBOLLET
2022-10-19T13:50:31Z
<p>Steveler : Created page with "fr:Jérôme TRIBOLLET {| style="color: #424242; background-color: #CEE3F6;" width="100%" | style="width: 10%; | '''Associate professor''' | style="width: 10%; | '''Email:..."</p>
<hr />
<div>[[fr:Jérôme TRIBOLLET]]<br />
<br />
{| style="color: #424242; background-color: #CEE3F6;" width="100%"<br />
| style="width: 10%; |<br />
'''Associate professor'''<br />
| style="width: 10%; |<br />
'''Email: tribollet AT unistra.fr '''<br />
| style="width: 10%; |<br />
'''Phone: +33 (0) 38810 '''<br />
| style="width: 20%; |<br />
'''Address: <br>ICube, 23 rue du Loess, BP 20 CR, <br>67037 Strasbourg Cedex 2, France'''<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=945
People
2022-10-19T13:49:01Z
<p>Steveler : /* Researchers and professors */</p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
[[File: MaCEPV team.jpg|center|700px]]<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-team leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
'' Board members: '' <br><br />
FERBLANTIER Gérald <br><br />
FIX Thomas <br><br />
MULLER Dominique <br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> <!--''Co-team leader''-->||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-team leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|[[Jérôme TRIBOLLET|TRIBOLLET]]||Jérôme||Associate professor ||03 88 10 || tribollet <br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|BEL-HADJ||Ibrahim||<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||venugopalan AT unistra.fr<br />
|-<br />
|VOLLONDAT ||Romain|| romain.vollondat<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA<br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student at INPT-ENSIACET (in collaboration with MaCEPV)<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé|| Teacher at university, Cameroun<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Nanomaterials_for_electronics_and_sensors&diff=944
Nanomaterials for electronics and sensors
2022-10-19T13:33:49Z
<p>Steveler : /* Control of qubits in wide gap semiconductor */</p>
<hr />
<div>[[fr:Nanomatériaux pour l'électronique et les capteurs]]<br />
<span id="bidule"> </span><br />
<br />
Electronics is nowadays confronted with miniaturization in order to increase storage densities, which leads to research involving the '''dimensionality of materials'''. In this context, the use of '''quasi-2D''' (nanometric thin films) or '''1D''' (nanometric-sized nanoparticles) materials with '''superior electronic, opto-electronic or optical properties''' (quantum confinement, 2D conductivity, etc.) is essential. Our team studies more particularly the physical processes of elaboration of this type of materials by advanced techniques (laser ablation, ion implantation, ...) and uses adequate post-deposition treatments (thermal or thermo-catalytic treatments under controlled atmosphere, laser, ...) for the ad hoc synthesis of low dimensional materials on/in substrates directly usable or easily integrable for the specifically targeted applications. <br><br />
By the way, the growing need for sensors accompanies the progress of various techniques for the development of nanomaterials or nano-architected materials based on dielectrics, semiconductors and/or hybrid materials. In this context, the main activities of the '''Functional Materials and Sensors''' theme of our team are part of the study of (i) '''thermal conductivity of materials''', (ii) '''plasmonic sensors based on semiconductor nanoparticles''', (iii) '''chemical sensors based on organic field effect transistors''' (OFETs) and (iv) '''quantum sensors'''. In general, the sensors developed by the team target applications in the fields of '''energy, health and environment'''.<br />
<br />
<br />
__TOC__<br />
<br />
<br />
=Developed topics=<br />
<br />
== Atomic scale modelling of the thermal conductivity of amorphous materials ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
'''Member involved : E. Martin ''' <br><br />
<br />
'''Collaborations : Carlo MASSOBRIO, Mauro BOERO, Guido ORI (IPCMS).'''<br />
|}<br />
<br />
The objective of this activity is to identify reductions in thermal conductivity at nanoscale in amorphous materials used in technology. The calculation is based on first-principles molecular dynamics (FPMD) which uses the density functional theory (DFT) to obtain the interatomic forces. The thermal conductivity is extracted using the Approach-to-Equilibrium Molecular Dynamics (AEMD) method.<br />
<br />
<br />
[[File: Image AEMD.png|center|700px]]<br />
<br />
<br />
This method, the computer analogue of the «Thermal transient gratings» experiment, is based on the creation and exploitation of a sinusoidal temperature profile, the amplitude of which decreases with time. The decay time is directly related to the thermal conductivity of the material. The use of a transient regime makes it possible to obtain thermal conductivity more quickly than with traditional approaches (Green-Kubo, NEMD). The application of AEMD in first-principles molecular dynamics enables to achieve an excellent prediction of experimental and macroscopic values, and to demonstrate a systematic reduction at the nanoscale at dimensions that are nevertheless greater than the range of order in the amorphous materials studied.<br />
<br />
<br />
[[File: Image AEMD2.png|center|300px]]<br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Plasmonic biosensors based on semiconductor nanoparticles ==<br />
<br />
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''' Persons involved: G. Ferblantier, E. Steveler, D. Muller ''' <br><br />
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'''Collaborations: IJL (Nancy), CEMES (Toulouse), Mc Master (Canada).'''<br />
|}<br />
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Semiconductor nanoparticles (Nps-SC), especially of silicon, integrated in a dielectric matrix, have aroused great interest in recent decades because of their many possible applications in optoelectronics (IR photonic conversion, heterojunction photovoltaic cells, efficient absorbers). In recent years, electrically doped Nps-SCs have attracted a lot of attention because of the possibility of obtaining localized surface plasmon resonances (LSPRs) whose position can be adjusted according to the amount of free carriers in the particles. This adjustment, which is impossible for metallic nanoparticles, represents a major advance in the use of LSPRs in the field of sensors. <br><br />
Currently, one of the team's activities is to explore the possibility of using these hyperdoped semiconductor nanoparticles (fabricated by sputtering, PECVD or ion implantation) to generate surface electron waves, i.e., surface plasmons, to detect chemical and/or biological agents by modifying the localized plasmon wave.<br />
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[[#bidule|Back to contents]]<br />
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== Nanoparticle engineering by ion implantation ==<br />
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{|style="color: #4392D8;" width="100%"<br />
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''' Persons involved: G. Ferblantier, E. Steveler, D. Muller''' <br><br />
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'''Collaborations: GPM (Rouen)'''<br />
|}<br />
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For many years we have been developing processes based on ion implantation and/or irradiation to fabricate, deform, dope and functionalize nano-objects buried in a matrix to make sensors, memories or optical devices. <br><br />
The ability to dope quantum dots, and in particular silicon nanocrystals (Si-NC), is a key technological issue for their use in optoelectronic applications. For example, low doping levels are needed to enable applications such as Si-NC-based tandem cells and high doping levels are needed to achieve promising tunable optical properties (via Local Surface Plasmon Resonance - LSPR). (see topic "Functional materials and sensors"). <br><br />
In particular, we have demonstrated the possibility of synthesizing by ion implantation silicon nanocrystals doped with phosphorus and arsenic buried in a matrix of SiO<sub>2</sub>. This method of synthesis offers good control of the size distribution of the synthesized nanocrystals and of the quantity of dopants incorporated in these nanocrystals. Ion beam synthesis allows the elaboration of silicon nanocrystals with an average size of a few nm. The volume density of dopant-containing nanocrystals ranges from 10<sup>18</sup> to a few 10<sup>19</sup> particles.cm<sup>-3</sup> with an average atomic concentration of dopant in the nanocrystals of ~ 8%. Similar studies are underway to characterize the effect of boron doping.<br><br />
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[[File:Image16.png|center|700px]]<br />
<div class="center"> Figure 6: Spatial distribution of dopants in a Si nanoparticle (left) and concentration profile around a doped nanoparticle determined by Atomic Probe Tomography (APT).<br />
</div><br />
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== Chemical sensors based on organic semiconductors ==<br />
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{|style="color: #4392D8;" width="100%"<br />
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''' Persons involved: S. Fall, G. Ferblantier, T. Heiser, P.Lévêque'''<br />
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''' Collaborations : V. Frick (SMH, ICube), J. B. Schell (SMH, ICube)'''<br />
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Chemical sensors based on organic field effect transistors (OFETs) are currently facing a number of technological challenges such as improving sensitivity, selectivity, ambient stability and manufacturing costs. In ICube's MaCEPV team, we are exploring the performance of different types of organic semiconductor (OSC) based materials in the detection of gas species through morphology control and molecular engineering. <br><br />
The use of blends of materials makes it possible to increase the selectivity of OFET sensors and the nature of the solubilizing chains increases the sensitivity to certain species. The development of suitable electronics makes it possible to envisage the use of portable sensors based on OFETs. [1] <br><br />
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[1] : V. Frick, P. Lévêque, U. Soysal, T. Heiser, 23rd IEEE International Conference on Electronics Circuits and Systems (ICECS), Monaco, France 2016, doi:10.1109/ICECS.2016.7841194.<br />
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[[File:Image OFET.png|center|700px]]<br />
<div class="center"> Structure of an OFET (bottom gate/bottom contact) using a donor material and an electron acceptor material blended in the channel (left) and corresponding transfer characteristic (right). <br />
</div><br />
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[[#bidule|Back to contents]]<br />
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== Quantum sensors ==<br />
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{|style="color: #4392D8;" width="100%"<br />
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''' Persons involved: J. Tribolet, D. Muller''' <br><br />
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'''Collaborations: M. Lazar (L2n Troyes)'''<br />
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The "Double Electron Electron Resonance" (DEER), allows the measurement of the magnetic dipole coupling between 2 electron spins using pump-probe magnetic resonance experiments with two different microwave frequencies. Associated with spins of the colored centers obtained by ion implantation (for example the NV center of diamond), this technique allows the detection of a small number of qubits, or even a single spin qubit.<br />
We plan to develop this technique (OD-DEER by optical detection of photoluminescence) in order to reach sensitivities of a single spin probe which could eventually have important biomedical applications. However, to achieve such ultimate sensitivity, the DEER methods must be combined with a quantum sensor having one or more optically detectable colored centers near the surface. We are working on developing by ion implantation such colored centers with adequate localization and especially maintaining a sufficient coherence time (qq 10µs) at room temperature.<br />
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[[#bidule|Back to contents]]<br />
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=Developing topics=<br />
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==Control of qubits in wide gap semiconductor ==<br />
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{|style="color: #4392D8;" width="100%"<br />
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''' Persons involved: : J. Tribolet, D. Muller''' <br><br />
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'''Collaborations: C. Couteau, M. Lazar (L2n Troyes)'''<br />
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Quantum technologies are based on the exploitation of the properties of quantum physics for tomorrow's applications: quantum communications, computers and quantum simulators, but also high-resolution sensors (see "Functional materials and sensors" theme).<br />
Several wide-gap semiconductors such as diamond, ZnO and SiC will be studied. One part of the studies will consist in positioning by ion implantation paramagnetic defects or coloured centres in diamond or SiC for quantum sensor devices or for the realisation of a quantum register of a few qubits of spins but also for diamond-based photonic devices. Another approach will consist in incorporating by ion implantation magnetic atoms into epitaxial quantum boxes which have shown in the past that they can give rise to couplings between the electron spin of the box exciton and the magnetic spin of the defect in the vicinity of the box. The challenge is to duplicate the phenomenon in diamond and to demonstrate a spin-spin coupling between the spin of a coloured diamond center and the magnetic spin of an atom that would have been implanted not far from the center.<br />
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[[#bidule|Back to contents]]<br />
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=Archive: old topics=<br />
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==Quasi-D2D graphitic carbon films on insulating substrate for transparent electrode ==<br />
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{|style="color: #4392D8;" width="100%"<br />
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''' Persons involved: F. Le Normand, C. Speisser, N. Javahiraly, D. Muller, N. Boubiche''' <br><br />
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'''Collaborations: Prof. M. Abdesselam (University of Alger), F. Djeffal (University of Batna II)'''<br />
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For the production of transparent conductive films, a very thin graphite (graphenic) layer can be obtained directly on the surface by partial or total transformation of a Diamond Like Carbon (DLC) film deposited on quartz or glass followed by heat or thermocatalytic treatments. By pulsed laser ablation of graphite at room temperature, a whole class of DLC materials with variable properties (density, sp2/sp3 hybridization ratio, ...) can be obtained depending on the deposition conditions (fluence, thickness, ...). Heat or thermocatalytic treatments change the very thin precursor graphitic layer into a surface graphitic layer by aggregation of the graphitic domains and/or phase transformation of the sp3 carbon (diamond type) (Figure 1). From this point of view, the addition of a very small quantity of transition metal catalyst (less than one monolayer of Fe, Co, Ni), obtained by MBE (at the IPCMS, Strasbourg), proves very beneficial in lowering the temperature and kinetics of these transformations. In addition to its rigidity/hardness, chemical inertness, very low roughness (< 1 nm), the film is transparent in the visible and becomes conductive on the surface. <br><br />
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[[File:Siteweb11(1).png|center]]<br />
<div class="center"> Figure 1: (left) Experimental film preparation scheme: metal@graphic film/DLC/quartz. (right) Figures of merit (conductivity of transparency) of Ni@graphic film/DLC/quartz and graphic film/DLC/quartz.<br />
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The figures of merit for these multilayer systems (graphic film/DLC/quartz or catalyst/graphic film/DLC/quartz) are of the same order of magnitude as for ITO/quartz-based electrodes. In the case of the nickel catalyst, these figures of merit (conductivity of transparency) are even much better than ITO (> 105 Siemens/cm from 400°C), whereas without the catalyst it is necessary to go up to 800-1100°C (Figure 2). The thickness of the initial DLC film, the laser fluence, the gaseous environment of the treatment, the nature rather than the metal concentration, the temperature and the kinetics are the parameters currently studied. They should allow us to develop an efficient device as transparent electrodes but also for other applications such as sensors.<br />
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== Nanocrystals of GaN obtained by implantation in dielectric matrices and heat or thermocatalytic treatments in a nitrogenous reducing atmosphere==<br />
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''' Persons involved: F. Le Normand, C. Speisser, N. Javahiraly, D. Muller''' <br><br />
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'''Collaborations: Lilia Aggar (PhD student), Prof D. Bradai, M. Abdesselam (University of Alger) / C. Bouillet, M. Gallart (IPCMS/Strasbourg)'''<br />
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The formation of GaN nanocrystals in SiO2/Si was obtained by implantation of Ga+ and N+ ions followed by heat or thermocatalytic treatment at 450 to 950°C in nitrogen reducing atmospheres. Analyses by high-resolution electron microscopy (HRTEM), scanning electron microscopy (SEM), high-resolution X-ray diffraction (XRD), absorption fine structure spectroscopy (XAFS) at the K threshold of Ga, and photoelectron (XPS) and Raman spectroscopy show the formation of very small nanocrystals of GaN with wurtzite structure (2-5 nm). The addition of a surface catalyst controls and activates the decomposition of the dinitrogen to mono nitrogen, preventing the diffusion of ions at the surface, selectively activating the formation of GaN (at the expense of Ga or Ga2O3 formation) and increasing the crystallographic quality of the buried GaN particles (Figure 4).<br />
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[[File:Image4.png|center]]<br />
<div class="center"> Figure 4: (left) MET image of an implanted layer of GaN on thermal SiO2 in the presence of catalyst; (right) HRTEM of wurtzite GaN particles of size 3-6 nm.</div><br />
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In the presence of the catalyst, photoluminescence spectra characteristic of intense excitonic emission around 3.45 eV and little "yellow light" characteristic of a material where light is emitted by radiative recombination on defects are obtained. The effect of the dielectric matrix, the nature of the gaseous environment being processed and the temperature is currently being actively studied. <br />
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The aim is to control the average size (in a range below 3 nm where quantum confinement effects and a shift towards high energies are expected), density and depth distribution of these nanoparticles. In particular, it is envisaged to use this method to build photovoltaic tandem structures by implantation of GaN in transparent DLC.<br />
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== Synthesis of graphene by implantation/diffusion of carbon in a metal matrix ==<br />
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''' Persons involved: F. Le Normand, C. Speisser, D. Muller''' <br><br />
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We approached the growth of graphene films by a specific process of carbon ion implantation in a thick metal matrix (Ni, Cu), followed by annealing diffusing the carbon either on the surface or at the interface, depending on the depth of implantation, with eventually a specific application concerning transparent electrodes for photovoltaics. The segregation of carbon films at the surface at low energy (20 keV) and at the interface at high energy (180 keV) was demonstrated. While low-pressure nucleation by such a method strongly limits the obtaining of a graphene film, on the other hand, at the interface with a substrate (MgO(111) or SiO2) it has been possible to obtain homogeneous films with both Cu and Ni. This process has also been tested to produce very thin hexagonal boron nitride films by N and B ion implantation and annealing. We will use for this purpose the new potential of very low energy ion implantation being installed in the C3-Fab platform (1 to 10 keV).<br />
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== Plasmonic nano-sensors for gas detection ==<br />
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''' Persons involved: Nicolas Javahiraly, François Le-Normand, Nacer Boubiche''' <br><br />
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'''Collaborations: University of Lyon 1.'''<br />
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Hydrogen is presented as the sustainable energy vector of the future, because the hydrogen cycle is one of the most ecological among energy solutions. Hydrogen can be used to produce, store and transport energy and its possible applications are very varied. <br><br />
However, the use of hydrogen presents a significant risk if it is not controlled because it is explosive at 4% in the air, hence the current need for the development of hydrogen leakage nano-sensors for security issues. <br><br />
This group activity is devoted to the search for innovative optical hydrogen leakage sensors exploiting the properties of MIM (Metal Insulator Metal) structures, original nanoparticles (simple NPs, core-shell systems, etc.) and their effects (SPR and LSPR ), to bring real progress in detection performance, for example in terms of sensitivity and response time (ANR NHYLEDECT (lead: Nicolas Javahiraly) in collaboration with the University of Lyon 1).<br><br />
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<div class="center"> Figure 1: Example of results obtained in the case of a MIM multilayer structure (Au/ SiO2/Pd) on optical fiber. We will note in dotted line the hydrogenated case.<br />
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== Micro-pollutant plasmonic sensors ==<br />
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''' Persons involved: Nicolas Javahiraly, François Le-Normand''' <br><br />
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'''Collaborations: IPCMS, University of Lyon 1.'''<br />
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The detection of micro pollutants by original systems constitutes one of the important challenges of our society. The cancer agency of the WHO (World Health Organization) has classified five pesticides as "possible" or "probable" carcinogens for humans. This activity of the MACEPV group is dedicated to the study of innovative pollutant sensors exploiting the interaction properties between light and original nanostructured materials. The detection is based on the variation of the, for example, optical properties of the materials used in the presence of the molecule to be detected. Several avenues of investigation are being studied: detection by Surface Plasmon Resonance (SPR) or Local Surface Plasmon Resonance (LSPR) and secondly, that using carbonized structures (Diamond-Like Carbon - DLC)) functionalized but also those exploiting the effects of variations of different parameters (conductivity, resistivity, etc.).<br />
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[[#bidule|Back to contents]]</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Nanomaterials_for_electronics_and_sensors&diff=943
Nanomaterials for electronics and sensors
2022-10-19T13:33:29Z
<p>Steveler : /* Quantum sensors */</p>
<hr />
<div>[[fr:Nanomatériaux pour l'électronique et les capteurs]]<br />
<span id="bidule"> </span><br />
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Electronics is nowadays confronted with miniaturization in order to increase storage densities, which leads to research involving the '''dimensionality of materials'''. In this context, the use of '''quasi-2D''' (nanometric thin films) or '''1D''' (nanometric-sized nanoparticles) materials with '''superior electronic, opto-electronic or optical properties''' (quantum confinement, 2D conductivity, etc.) is essential. Our team studies more particularly the physical processes of elaboration of this type of materials by advanced techniques (laser ablation, ion implantation, ...) and uses adequate post-deposition treatments (thermal or thermo-catalytic treatments under controlled atmosphere, laser, ...) for the ad hoc synthesis of low dimensional materials on/in substrates directly usable or easily integrable for the specifically targeted applications. <br><br />
By the way, the growing need for sensors accompanies the progress of various techniques for the development of nanomaterials or nano-architected materials based on dielectrics, semiconductors and/or hybrid materials. In this context, the main activities of the '''Functional Materials and Sensors''' theme of our team are part of the study of (i) '''thermal conductivity of materials''', (ii) '''plasmonic sensors based on semiconductor nanoparticles''', (iii) '''chemical sensors based on organic field effect transistors''' (OFETs) and (iv) '''quantum sensors'''. In general, the sensors developed by the team target applications in the fields of '''energy, health and environment'''.<br />
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__TOC__<br />
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=Developed topics=<br />
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== Atomic scale modelling of the thermal conductivity of amorphous materials ==<br />
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'''Member involved : E. Martin ''' <br><br />
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'''Collaborations : Carlo MASSOBRIO, Mauro BOERO, Guido ORI (IPCMS).'''<br />
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The objective of this activity is to identify reductions in thermal conductivity at nanoscale in amorphous materials used in technology. The calculation is based on first-principles molecular dynamics (FPMD) which uses the density functional theory (DFT) to obtain the interatomic forces. The thermal conductivity is extracted using the Approach-to-Equilibrium Molecular Dynamics (AEMD) method.<br />
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[[File: Image AEMD.png|center|700px]]<br />
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This method, the computer analogue of the «Thermal transient gratings» experiment, is based on the creation and exploitation of a sinusoidal temperature profile, the amplitude of which decreases with time. The decay time is directly related to the thermal conductivity of the material. The use of a transient regime makes it possible to obtain thermal conductivity more quickly than with traditional approaches (Green-Kubo, NEMD). The application of AEMD in first-principles molecular dynamics enables to achieve an excellent prediction of experimental and macroscopic values, and to demonstrate a systematic reduction at the nanoscale at dimensions that are nevertheless greater than the range of order in the amorphous materials studied.<br />
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[[File: Image AEMD2.png|center|300px]]<br />
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[[#bidule|Back to contents]]<br />
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== Plasmonic biosensors based on semiconductor nanoparticles ==<br />
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{|style="color: #4392D8;" width="100%"<br />
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''' Persons involved: G. Ferblantier, E. Steveler, D. Muller ''' <br><br />
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'''Collaborations: IJL (Nancy), CEMES (Toulouse), Mc Master (Canada).'''<br />
|}<br />
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Semiconductor nanoparticles (Nps-SC), especially of silicon, integrated in a dielectric matrix, have aroused great interest in recent decades because of their many possible applications in optoelectronics (IR photonic conversion, heterojunction photovoltaic cells, efficient absorbers). In recent years, electrically doped Nps-SCs have attracted a lot of attention because of the possibility of obtaining localized surface plasmon resonances (LSPRs) whose position can be adjusted according to the amount of free carriers in the particles. This adjustment, which is impossible for metallic nanoparticles, represents a major advance in the use of LSPRs in the field of sensors. <br><br />
Currently, one of the team's activities is to explore the possibility of using these hyperdoped semiconductor nanoparticles (fabricated by sputtering, PECVD or ion implantation) to generate surface electron waves, i.e., surface plasmons, to detect chemical and/or biological agents by modifying the localized plasmon wave.<br />
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[[#bidule|Back to contents]]<br />
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<br />
== Nanoparticle engineering by ion implantation ==<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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''' Persons involved: G. Ferblantier, E. Steveler, D. Muller''' <br><br />
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'''Collaborations: GPM (Rouen)'''<br />
|}<br />
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For many years we have been developing processes based on ion implantation and/or irradiation to fabricate, deform, dope and functionalize nano-objects buried in a matrix to make sensors, memories or optical devices. <br><br />
The ability to dope quantum dots, and in particular silicon nanocrystals (Si-NC), is a key technological issue for their use in optoelectronic applications. For example, low doping levels are needed to enable applications such as Si-NC-based tandem cells and high doping levels are needed to achieve promising tunable optical properties (via Local Surface Plasmon Resonance - LSPR). (see topic "Functional materials and sensors"). <br><br />
In particular, we have demonstrated the possibility of synthesizing by ion implantation silicon nanocrystals doped with phosphorus and arsenic buried in a matrix of SiO<sub>2</sub>. This method of synthesis offers good control of the size distribution of the synthesized nanocrystals and of the quantity of dopants incorporated in these nanocrystals. Ion beam synthesis allows the elaboration of silicon nanocrystals with an average size of a few nm. The volume density of dopant-containing nanocrystals ranges from 10<sup>18</sup> to a few 10<sup>19</sup> particles.cm<sup>-3</sup> with an average atomic concentration of dopant in the nanocrystals of ~ 8%. Similar studies are underway to characterize the effect of boron doping.<br><br />
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[[File:Image16.png|center|700px]]<br />
<div class="center"> Figure 6: Spatial distribution of dopants in a Si nanoparticle (left) and concentration profile around a doped nanoparticle determined by Atomic Probe Tomography (APT).<br />
</div><br />
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[[#bidule|Back to contents]]<br />
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<br />
== Chemical sensors based on organic semiconductors ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
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''' Persons involved: S. Fall, G. Ferblantier, T. Heiser, P.Lévêque'''<br />
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''' Collaborations : V. Frick (SMH, ICube), J. B. Schell (SMH, ICube)'''<br />
|}<br />
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Chemical sensors based on organic field effect transistors (OFETs) are currently facing a number of technological challenges such as improving sensitivity, selectivity, ambient stability and manufacturing costs. In ICube's MaCEPV team, we are exploring the performance of different types of organic semiconductor (OSC) based materials in the detection of gas species through morphology control and molecular engineering. <br><br />
The use of blends of materials makes it possible to increase the selectivity of OFET sensors and the nature of the solubilizing chains increases the sensitivity to certain species. The development of suitable electronics makes it possible to envisage the use of portable sensors based on OFETs. [1] <br><br />
<br />
[1] : V. Frick, P. Lévêque, U. Soysal, T. Heiser, 23rd IEEE International Conference on Electronics Circuits and Systems (ICECS), Monaco, France 2016, doi:10.1109/ICECS.2016.7841194.<br />
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<br />
[[File:Image OFET.png|center|700px]]<br />
<div class="center"> Structure of an OFET (bottom gate/bottom contact) using a donor material and an electron acceptor material blended in the channel (left) and corresponding transfer characteristic (right). <br />
</div><br />
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<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Quantum sensors ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: J. Tribolet, D. Muller''' <br><br />
<br />
'''Collaborations: M. Lazar (L2n Troyes)'''<br />
|}<br />
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The "Double Electron Electron Resonance" (DEER), allows the measurement of the magnetic dipole coupling between 2 electron spins using pump-probe magnetic resonance experiments with two different microwave frequencies. Associated with spins of the colored centers obtained by ion implantation (for example the NV center of diamond), this technique allows the detection of a small number of qubits, or even a single spin qubit.<br />
We plan to develop this technique (OD-DEER by optical detection of photoluminescence) in order to reach sensitivities of a single spin probe which could eventually have important biomedical applications. However, to achieve such ultimate sensitivity, the DEER methods must be combined with a quantum sensor having one or more optically detectable colored centers near the surface. We are working on developing by ion implantation such colored centers with adequate localization and especially maintaining a sufficient coherence time (qq 10µs) at room temperature.<br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
=Developing topics=<br />
<br />
==Control of qubits in wide gap semiconductor ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: : D. Muller''' <br><br />
<br />
'''Collaborations: J. Tribolet (Institut Chimie Strasbourg), C. Couteau, M. Lazar (L2n Troyes)'''<br />
|}<br />
<br />
Quantum technologies are based on the exploitation of the properties of quantum physics for tomorrow's applications: quantum communications, computers and quantum simulators, but also high-resolution sensors (see "Functional materials and sensors" theme).<br />
Several wide-gap semiconductors such as diamond, ZnO and SiC will be studied. One part of the studies will consist in positioning by ion implantation paramagnetic defects or coloured centres in diamond or SiC for quantum sensor devices or for the realisation of a quantum register of a few qubits of spins but also for diamond-based photonic devices. Another approach will consist in incorporating by ion implantation magnetic atoms into epitaxial quantum boxes which have shown in the past that they can give rise to couplings between the electron spin of the box exciton and the magnetic spin of the defect in the vicinity of the box. The challenge is to duplicate the phenomenon in diamond and to demonstrate a spin-spin coupling between the spin of a coloured diamond center and the magnetic spin of an atom that would have been implanted not far from the center.<br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
=Archive: old topics=<br />
<br />
<br />
==Quasi-D2D graphitic carbon films on insulating substrate for transparent electrode ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: F. Le Normand, C. Speisser, N. Javahiraly, D. Muller, N. Boubiche''' <br><br />
<br />
'''Collaborations: Prof. M. Abdesselam (University of Alger), F. Djeffal (University of Batna II)'''<br />
|}<br />
<br />
For the production of transparent conductive films, a very thin graphite (graphenic) layer can be obtained directly on the surface by partial or total transformation of a Diamond Like Carbon (DLC) film deposited on quartz or glass followed by heat or thermocatalytic treatments. By pulsed laser ablation of graphite at room temperature, a whole class of DLC materials with variable properties (density, sp2/sp3 hybridization ratio, ...) can be obtained depending on the deposition conditions (fluence, thickness, ...). Heat or thermocatalytic treatments change the very thin precursor graphitic layer into a surface graphitic layer by aggregation of the graphitic domains and/or phase transformation of the sp3 carbon (diamond type) (Figure 1). From this point of view, the addition of a very small quantity of transition metal catalyst (less than one monolayer of Fe, Co, Ni), obtained by MBE (at the IPCMS, Strasbourg), proves very beneficial in lowering the temperature and kinetics of these transformations. In addition to its rigidity/hardness, chemical inertness, very low roughness (< 1 nm), the film is transparent in the visible and becomes conductive on the surface. <br><br />
<br />
<br />
[[File:Siteweb11(1).png|center]]<br />
<div class="center"> Figure 1: (left) Experimental film preparation scheme: metal@graphic film/DLC/quartz. (right) Figures of merit (conductivity of transparency) of Ni@graphic film/DLC/quartz and graphic film/DLC/quartz.<br />
</div><br />
<br />
<br />
The figures of merit for these multilayer systems (graphic film/DLC/quartz or catalyst/graphic film/DLC/quartz) are of the same order of magnitude as for ITO/quartz-based electrodes. In the case of the nickel catalyst, these figures of merit (conductivity of transparency) are even much better than ITO (> 105 Siemens/cm from 400°C), whereas without the catalyst it is necessary to go up to 800-1100°C (Figure 2). The thickness of the initial DLC film, the laser fluence, the gaseous environment of the treatment, the nature rather than the metal concentration, the temperature and the kinetics are the parameters currently studied. They should allow us to develop an efficient device as transparent electrodes but also for other applications such as sensors.<br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Nanocrystals of GaN obtained by implantation in dielectric matrices and heat or thermocatalytic treatments in a nitrogenous reducing atmosphere==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: F. Le Normand, C. Speisser, N. Javahiraly, D. Muller''' <br><br />
<br />
'''Collaborations: Lilia Aggar (PhD student), Prof D. Bradai, M. Abdesselam (University of Alger) / C. Bouillet, M. Gallart (IPCMS/Strasbourg)'''<br />
|}<br />
<br />
The formation of GaN nanocrystals in SiO2/Si was obtained by implantation of Ga+ and N+ ions followed by heat or thermocatalytic treatment at 450 to 950°C in nitrogen reducing atmospheres. Analyses by high-resolution electron microscopy (HRTEM), scanning electron microscopy (SEM), high-resolution X-ray diffraction (XRD), absorption fine structure spectroscopy (XAFS) at the K threshold of Ga, and photoelectron (XPS) and Raman spectroscopy show the formation of very small nanocrystals of GaN with wurtzite structure (2-5 nm). The addition of a surface catalyst controls and activates the decomposition of the dinitrogen to mono nitrogen, preventing the diffusion of ions at the surface, selectively activating the formation of GaN (at the expense of Ga or Ga2O3 formation) and increasing the crystallographic quality of the buried GaN particles (Figure 4).<br />
<br />
<br />
[[File:Image4.png|center]]<br />
<div class="center"> Figure 4: (left) MET image of an implanted layer of GaN on thermal SiO2 in the presence of catalyst; (right) HRTEM of wurtzite GaN particles of size 3-6 nm.</div><br />
<br />
<br />
In the presence of the catalyst, photoluminescence spectra characteristic of intense excitonic emission around 3.45 eV and little "yellow light" characteristic of a material where light is emitted by radiative recombination on defects are obtained. The effect of the dielectric matrix, the nature of the gaseous environment being processed and the temperature is currently being actively studied. <br />
<br />
The aim is to control the average size (in a range below 3 nm where quantum confinement effects and a shift towards high energies are expected), density and depth distribution of these nanoparticles. In particular, it is envisaged to use this method to build photovoltaic tandem structures by implantation of GaN in transparent DLC.<br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Synthesis of graphene by implantation/diffusion of carbon in a metal matrix ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: F. Le Normand, C. Speisser, D. Muller''' <br><br />
|}<br />
<br />
We approached the growth of graphene films by a specific process of carbon ion implantation in a thick metal matrix (Ni, Cu), followed by annealing diffusing the carbon either on the surface or at the interface, depending on the depth of implantation, with eventually a specific application concerning transparent electrodes for photovoltaics. The segregation of carbon films at the surface at low energy (20 keV) and at the interface at high energy (180 keV) was demonstrated. While low-pressure nucleation by such a method strongly limits the obtaining of a graphene film, on the other hand, at the interface with a substrate (MgO(111) or SiO2) it has been possible to obtain homogeneous films with both Cu and Ni. This process has also been tested to produce very thin hexagonal boron nitride films by N and B ion implantation and annealing. We will use for this purpose the new potential of very low energy ion implantation being installed in the C3-Fab platform (1 to 10 keV).<br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Plasmonic nano-sensors for gas detection ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: Nicolas Javahiraly, François Le-Normand, Nacer Boubiche''' <br><br />
<br />
'''Collaborations: University of Lyon 1.'''<br />
|}<br />
<br />
Hydrogen is presented as the sustainable energy vector of the future, because the hydrogen cycle is one of the most ecological among energy solutions. Hydrogen can be used to produce, store and transport energy and its possible applications are very varied. <br><br />
However, the use of hydrogen presents a significant risk if it is not controlled because it is explosive at 4% in the air, hence the current need for the development of hydrogen leakage nano-sensors for security issues. <br><br />
This group activity is devoted to the search for innovative optical hydrogen leakage sensors exploiting the properties of MIM (Metal Insulator Metal) structures, original nanoparticles (simple NPs, core-shell systems, etc.) and their effects (SPR and LSPR ), to bring real progress in detection performance, for example in terms of sensitivity and response time (ANR NHYLEDECT (lead: Nicolas Javahiraly) in collaboration with the University of Lyon 1).<br><br />
<br />
<br />
{|border="0"<br />
<br />
[[File:MIM.jpg|left|300px]]<br />
|<br />
[[File:Im3 NJ.jpg|left|300px]]<br />
|}<br />
<br />
<br />
<div class="center"> Figure 1: Example of results obtained in the case of a MIM multilayer structure (Au/ SiO2/Pd) on optical fiber. We will note in dotted line the hydrogenated case.<br />
</div><br />
<br />
<br />
[[#bidule|Back to contents]]<br />
<br />
<br />
== Micro-pollutant plasmonic sensors ==<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
<br />
''' Persons involved: Nicolas Javahiraly, François Le-Normand''' <br><br />
<br />
'''Collaborations: IPCMS, University of Lyon 1.'''<br />
|}<br />
<br />
The detection of micro pollutants by original systems constitutes one of the important challenges of our society. The cancer agency of the WHO (World Health Organization) has classified five pesticides as "possible" or "probable" carcinogens for humans. This activity of the MACEPV group is dedicated to the study of innovative pollutant sensors exploiting the interaction properties between light and original nanostructured materials. The detection is based on the variation of the, for example, optical properties of the materials used in the presence of the molecule to be detected. Several avenues of investigation are being studied: detection by Surface Plasmon Resonance (SPR) or Local Surface Plasmon Resonance (LSPR) and secondly, that using carbonized structures (Diamond-Like Carbon - DLC)) functionalized but also those exploiting the effects of variations of different parameters (conductivity, resistivity, etc.).<br />
<br />
<br />
[[#bidule|Back to contents]]</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=941
News
2022-10-14T08:48:06Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
<br />
{|border="0"<br />
[[File:bandeau_news.png|x150px|link=https://macepv.icube.unistra.fr/en/index.php/News |News]]<br />
|}<br />
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{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
<br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
[[File:Schéma lien photovoltaïque - thermoélectricité.png|center|150px]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
|-<br />
|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
<br />
"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
<br />
"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
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*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
<br />
<br />
ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
<br />
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'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
<br />
|}<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
<br />
|}<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
|}<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
|}<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
|}<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
|}<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
|}<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
|}<br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
|}<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
|}<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
|}<br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
|}<br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
|}<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
|}<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
|}<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
|}<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
|}<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
|}<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
|}<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
|}<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
|}<br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
|}<br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
|}<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
|}<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
|}<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
|}<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
<br />
|}<br />
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<br />
'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
|}<br />
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'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
|}<br />
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'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
|}<br />
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'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=940
News
2022-10-14T08:43:35Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
<br />
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[[File:bandeau_news.png|x150px|link=https://macepv.icube.unistra.fr/en/index.php/News |News]]<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
<br />
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*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
<br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
<br />
<br />
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*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
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*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
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*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
<br />
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*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
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|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
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<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
<br />
"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
<br />
"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
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"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
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ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
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'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
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Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
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-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
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-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
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-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
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Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
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'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
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Invited by Francois LE Normand<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
<br />
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'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
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'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
|}<br />
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'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
|}<br />
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'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=Fichier:Sch%C3%A9ma_lien_photovolta%C3%AFque_-_thermo%C3%A9lectricit%C3%A9.png&diff=939
Fichier:Schéma lien photovoltaïque - thermoélectricité.png
2022-10-14T08:41:00Z
<p>Steveler : </p>
<hr />
<div>Schéma lien photovoltaïque - thermoélectricité</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=938
News
2022-10-14T08:38:25Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
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*''<big>''<u> International workshop "Chalcogenides for electronics and photovoltaics" </u> : <br><br />
Tuesday 8 november 2022 (Amphi Fermi, ECPM, Campus of Cronenbourg)''</big>''<br />
|}<br />
Organised by '''T. Fix, researcher in MaCEPV team (ICube) and A. Dinia, Professor at ECPM (IPCMS)'''<br />
<br />
[[Media: Workshop-chalcogenides.pdf| Workshop programm]]<br />
<br />
<br />
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*''<big>''<u> National workshop on Photovoltaics and Thermoelectricity</u> : <br><br />
Tuesday 11 october (Amphi Fermi, ECPM, Campus of Cronenbourg) and wednesday 12 october 2022 (Room 40, building 40, Campus of Cronenbourg).''</big>''<br />
|}<br />
Organised by '''Evelyne Martin, Research director in MaCEPV team (ICube)'''<br />
<br />
[[Media: Pgm workshop PV-TE ICube.pdf| Workshop PV-TE programm]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 september 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
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*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
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*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
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*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
|-<br />
|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
<br />
"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
<br />
"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
<br />
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*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
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*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
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{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
<br />
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| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
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*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
<br />
<br />
ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
<br />
<br />
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'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
<br />
|}<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
<br />
|}<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
|}<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
|}<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
|}<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
|}<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
|}<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
|}<br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
|}<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
|}<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
|}<br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
|}<br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
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'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
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'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
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'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
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|<br />
'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=937
People
2022-10-14T08:19:32Z
<p>Steveler : </p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
[[File: MaCEPV team.jpg|center|700px]]<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-team leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
'' Board members: '' <br><br />
FERBLANTIER Gérald <br><br />
FIX Thomas <br><br />
MULLER Dominique <br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> <!--''Co-team leader''-->||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-team leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|BEL-HADJ||Ibrahim||<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||venugopalan AT unistra.fr<br />
|-<br />
|VOLLONDAT ||Romain|| romain.vollondat<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA<br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student at INPT-ENSIACET (in collaboration with MaCEPV)<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé|| Teacher at university, Cameroun<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=936
People
2022-10-14T08:19:19Z
<p>Steveler : </p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
<br />
[[File: MaCEPV team.jpg|center|700px]]<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-team leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
'' Board members: '' <br><br />
FERBLANTIER Gérald <br><br />
FIX Thomas <br><br />
MULLER Dominique <br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> <!--''Co-team leader''-->||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-team leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|BEL-HADJ||Ibrahim||<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||venugopalan AT unistra.fr<br />
|-<br />
|VOLLONDAT ||Romain|| romain.vollondat<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA<br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student at INPT-ENSIACET (in collaboration with MaCEPV)<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé|| Teacher at university, Cameroun<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=934
People
2022-09-26T10:37:04Z
<p>Steveler : /* Former members (in alphabetical order) */</p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-team leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
'' Board members: '' <br><br />
FERBLANTIER Gérald <br><br />
FIX Thomas <br><br />
MULLER Dominique <br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> <!--''Co-team leader''-->||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-team leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|BEL-HADJ||Ibrahim||<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||venugopalan AT unistra.fr<br />
|-<br />
|VOLLONDAT ||Romain|| romain.vollondat<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA<br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student at INPT-ENSIACET (in collaboration with MaCEPV)<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé|| Teacher at university, Cameroun<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=News&diff=933
News
2022-09-19T13:34:56Z
<p>Steveler : </p>
<hr />
<div>[[fr:Actualités]]<br />
<br />
{|border="0"<br />
[[File:bandeau_news.png|x150px|link=https://macepv.icube.unistra.fr/en/index.php/News |News]]<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Monday 26 septembre 2022 at 14:30, IPCMS auditorium (Campus of Cronenbourg).''</big>''<br />
|}<br />
"The past, present, and prospects of organic optoelectronics" <br><br />
by '''Chihaya Adachi, DDirector of Center for Organic Photonics and Electronics Research (OPERA), Kyushu University'''<br />
<br />
[[Media: 2022-09-26 C. Adachi IPCMS HiFunMat Seminar.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Post-doctoral position (18 months) to be filled in MaCEPV team </u> : <br><br />
|}<br />
<br />
The position deals with silicon clathrate films ([https://macepv.icube.unistra.fr/img_auth_namespace.php/3/3d/Postdoc_clathrates_ICube-v2.pdf Link to full proposal]). <br />
<br />
The deadline for application is October, 1st, 2022. <br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> HiFunMat ITI seminar</u> : <br><br />
Wednesday 13 july 2022 at 5 PM, at European Doctoral College, 46 Boulevard de la Victoire, Strasbourg.''</big>''<br />
|}<br />
"Achieving the energy transition" <br><br />
by '''Benoit Lebot'''<br />
<br />
[[Media: Achieving the energy transition - Benoit Lebot - ITI HiFunMat Conference.pdf| Abstract]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Master and PhD students day </u> : <br><br />
Friday June 17, 2022 from 9:30 a.m. to 4:15 p.m., Mondrian room, building 25 (CNRS campus, Cronenbourg).''</big>''<br />
|}<br />
<br />
[[Media: MaCEPV conference 220617.pdf| Program of the MaCEPV Master and PhD students day]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 2/2</u> : <br><br />
|}<br />
Title : Adaptive glazing based on photovoltaic spatial light modulators to improve the energy efficiency of buildings <br><br />
<br />
[[Media: Sujet de thèse PSLM 2022 pour diffusion v2.pdf| Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Heiser at thomas.heiser AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Proposed thesis topic in the MaCEPV team 1/2</u> : <br><br />
|}<br />
Title : Chalcogenide and oxysulfide perovskites for optoelectronic<br />
and photovoltaic applications <br><br />
<br />
[[Media: PhDChalcoPero.pdf | Link to the detailed thesis subject in English]]<br />
<br />
<br />
Contact : T. Fix at tfix AT unistra.fr<br />
<br />
Applications are closed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV PhD defense</u> : <br><br />
Wednesday 16 March 2022 at 2 P.M., Grünewald Amphitheater (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Exciton dynamics and charge transport in ordered thin films based on triazatruxene derivatives" <br><br />
by '''Jiang JING''' <br />
<br />
<br />
Abstract:<br />
<br />
Small-molecule organic semiconductors are well developed in organic optoelectronic devices. Exciton dynamics and charge carrier transport are essential parameters that determine the performance of organic semiconductor devices and are highly dependent on the molecular structure and associated solid-state molecular stacking. In this thesis, we focused on a family of "dumbbell-shaped" donor-acceptor-donor (D-A-D) type small molecules. The electron donor moiety is a triazatruxene (TAT)-based planar, highly soluble and functionalized unit that acts as a π-stacking platform, and thiophene-thienopyrroledione-thiophene (TPD) represents an electron acceptor unit that determines the optical bandgap. The TPD-TAT self-assembly structures are highly dependent on their side-chains and the post-thermal treatment. Therefore, exciton lifetime and diffusion length as a function of molecular chemical structure and stacking structure were investigated in detail. In-plane and out-of-plane charge carrier transport properties as a function of molecular packing structure were also studied. Organic solar cells in TPD-TAT as a donor blended with a polymer acceptor were employed as well.<br />
<br />
<br />
Jury members :<br><br />
HEISER Thomas, thesis director, Professor, Université de Strasbourg <br><br />
STEVELER Emilie, encadrante, Associate professor, INSA Strasbourg <br><br />
CHÉNAIS Sébastien, reviewer, Professor, Université Sorbonne Paris Nord <br><br />
LUDWIGS Sabine, reviewer, Professor, Universität Stuttgart <br><br />
SIMON Laurent, Professor, Mulhouse Materials Science Institute <br><br />
REITER Günter, Professor, University of Freiburg <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Thursday 10 March 2022 at 2 PM, IPCMS Auditorium (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Towards new applications of organic semiconductors for photonics " by '''Jean-Charles Ribierre''' (Condensed State Physics Service, CEA Saclay, Université Paris Saclay)<br><br />
[[Media:Abstract Séminaire JC-Ribierre 10Mars2022.pdf|Abstract (french version)]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Seminar of IMEE & InCA axes in partnership with MaCEPV </u> : <br><br />
Thursday, september, 30, 2021 afternoon, place to be specified ''</big>''<br />
|}<br />
"Flexible materials" seminars: several presentations from different departments of ICube <br><br />
Contact: Evelyne Martin<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday September, 3, 2021 at 11:00, place to be specified (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies " by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u> : <br><br />
Tuesday, July 13 2021 at 10:00, Room 20, Building 40 (CNRS campus of Cronenbourg). The seminar will also be available by videoconference on Zoom. ''</big>''<br />
|}<br />
<br />
"Modeling by ab initio molecular dynamics of thermal transport in organic semiconductors" by '''Achille Lambrecht''' (M2 internship supervised by Evelyne Martin)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Thursday, July 8, 2021 at 10 AM, room 40 building 40 (CNRS campus of Cronenbourg).''</big>''<br />
|}<br />
<br />
"Photovoltaic optical modulators - applications to adaptive glazing " par '''Yuhan Zhong''' (2nd year PhD student supervised by Thomas Heiser and Martin Brinkmann)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Wednesday June, 30, 2021 at 8:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-tjw-lwh-5gs). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Silicon clathrate films " <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Thesis scholarship to be filled in the MaCEPV team </u> : <br><br />
|}<br />
Title : Modeling by ab initio molecular dynamics of exciton transport and thermal transport in organic semiconductors for energy harvesting <br><br />
<br />
[[Media: Offre thèse simu atomistique ICube-oct21.pdf| Link to the detailed thesis subject in French and English ]]<br />
<br />
'''Funding is guaranteed via an arrowed scholarship from the University of Strasbourg. <br />
''' The thesis will start on October 1, 2021. The successful candidate is Cheick Diarra.<br />
<br />
Contact : Evelyne MARTIN (thesis director) at evelyne.martin AT unistra.fr<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mid-term defense </u> : <br><br />
Tuesday June, 8, 2021 at 15:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-nmn-h7v). To obtain the access code to the meeting, please contact tfix AT unistra.fr ''</big>''<br />
|}<br />
"Thin films and all-oxide devices for photovoltaics" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Recent MaCEPV publication</u> :''</big>''<br />
|}<br />
[http://dx.doi.org/10.1002/aenm.202100499 The Role of Dimensionality on the Optoelectronic Properties of Oxide and Halide Perovskites, and their Halide Derivatives Robert L. Z. Hoye,* Juanita Hidalgo, Robert A. Jagt, Juan-Pablo Correa-Baena, Thomas Fix,* and Judith L. MacManus-Driscoll * in Advanced Energy Materials]<br />
<br />
Summary: <br><br />
Halide perovskite semiconductors have risen to prominence in photovoltaics and light-emitting diodes (LEDs), but traditional oxide perovskites, which overcome the stability limitations of their halide counterparts, have also recently witnessed a rise in potential as solar absorbers. One of the many important factors underpinning these developments is an understanding of the role of dimensionality on the optoelectronic properties and, consequently, on the performance of the materials in photovoltaics and LEDs. This review article examines the role of structural and electronic dimensionality, as well as form factor, in oxide and halide perovskites, and in lead-free alternatives to halide perovskites. Insights into how dimensionality influences the band gap, stability, charge-carrier transport, recombination processes and defect tolerance of the materials, and the impact these parameters have on device performance are brought forward. Particular emphasis is placed on carrier/ exciton-phonon coupling, which plays a significant role in the materials considered, owing to their soft lattices and composition of heavy elements, and becomes more prominent as dimensionality is reduced. It is finished with a discussion of the implications on the classes of materials future efforts should focus on, as well as the key questions that need to be addressed.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Monday May 10 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"The use of Non Fullerene Acceptors in Organic Photovoltaics to reach 15% of Power Conversion Efficiency for 15 years (OPV 225)" <br><br />
by '''Hervé Tchognia(Post-doctoral position)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday March 30 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Pulsed Laser Deposition of Cu2O Thin film Absorber" <br><br />
by '''Chithira Venugopalan Kartha (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Thursday February 18 2021 at 14:00, by videoconférence on BBB (https://webconf.cinam.univ-mrs.fr/b/tre-p42-m79)''</big>''<br />
|}<br />
"Study of thermal conduction in nanomaterials by simulations of approach molecular dynamics at equilibrium " <br><br />
<br />
by '''Evelyne Martin''' within the framework of '''GDR ModMat'''.<br />
<br />
Abstract: In this talk, atomic-scale simulations of heat transport in inorganic, crystalline or amorphous materials, in nanostructures, and at the interface between organic and inorganic materials will be presented. These studies are carried out in molecular dynamics, classic for the oldest works, and more recently ab initio. The AEMD method (molecular dynamics of equilibrium approach) developed for heat transport will first be presented, both with regard to its principle and the analysis of the results and the various information to which it provides access. , such as thermal conductivity, interface resistances and mean free paths of heat carriers. The AEMD will then be applied to various nanomaterials and nanostructures, allowing small-scale behavior to be compared and similarities and differences to be identified. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Conference co-organized by MaCEPV</u>: <br><br />
The symposium E: Exotic materials and innovative concepts for photovoltaics''</big>''<br />
|}<br />
of the '''E-MRS Spring Meeting 2021''' conference which will take place from May 31 to June 4, 2021 is co-organized by '''T. Fix'''.<br />
<br />
<br />
[[Media:EMRS-symposiumE-photovoltaics.pdf| Announcement of the symposium E: Exotic materials and innovative concepts for photovoltaics]]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u>: <br><br />
Tuesday February 16 2021 at 9:30, by videoconference on zoom (https://us02web.zoom.us/j/83488256985)''</big>''<br />
|}<br />
"Obtaining and optimizing layers of silicon clathrates for photovoltaics and optoelectronics" <br><br />
by '''Romain Vollondat (2nd year PhD student)'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar </u> : <br><br />
Wednesday january 13, 2021 at 9:30, by videoconference on BBB (https://bbb.unistra.fr/b/tho-qcf-g9d)''</big>''<br />
|}<br />
"Liquid crystal photovoltaic optical modulators" <br><br />
by '''Yuhan Zhong (2nd year PhD student)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> A Research director joined the MaCEPV team</u>: <br><br />
''</big>''<br />
|}<br />
''[[MARTIN Evelyne|Evelyne Martin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> An associate professor has been recruited</u>: <br><br />
''</big>''<br />
|}<br />
''[[LIN Yaochen|Yaochen Lin]] joined the MaCEPV team on the 1st of September, 2020.''<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Monday June 29, 2020 at 10:00, room 15 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Non-fullerene acceptors for organic photovoltaics" <br><br />
by '''Amina Labiod (2nd year PhD student)'''<br />
<br />
Presentation will be in french. <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Mi-term defense</u> : <br><br />
Friday, June 26, 2020 at 10:00, meeting room of building 28 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Dynamics of excitons and transport of charge carriers in organic thin films ordered for photovoltaic applications" <br><br />
by '''Jiang Jing (2nd year PhD student)'''<br />
<br />
Presentation can be seen via Zoom (https://us02web.zoom.us/j/88673248616?pwd=akY3RVpaczdMcXRQZWRpeUxkMGlndz09).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Monday, February 24 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Atomic scale modeling of thermal conduction in nanomaterials" by '''Evelyne Martin''' (IEMN, Lille)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Friday, January 10 2020 at 11:00, room 40 Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Ion implantation and Electronic Paramagnetic Resonance: key tools for quantum technologies" by '''Jérôme Tribollet''' (Institut de Chimie, Strasbourg)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Tuesday, December 17 2019 at 11:00, Room 40, Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Engineering Energy Levels at the Donor-Acceptor Interfaces for Efficient Charge Separation in Organic Solar Cells" <br><br />
by '''Pr Gjergji Sini, University of Cergy-Pontoise, Neuville sur Oise, CERGY-PONTOISE, FRANCE'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>MaCEPV thesis defense</u> : <br><br />
Tuesday, October 22 2019 at 14:00, Amphitheater Grünewald (Campus CNRS, Cronenbourg)''</big>''<br />
|}<br />
<br />
"UV laser treatments of amorphous adamantine carbon (DLC) layers obtained by pulsed laser deposition (PLD): Application to the synthesis of transparent electrodes" <br><br />
par '''François Stock''' <br />
<br />
<br />
Jury members :<br><br />
Antoni Frédéric, Professor, ICube, Université de Strasbourg (Thesis director) <br><br />
DELAPORTE Philippe, Research Director-CNRS, LP3, University of Marseille (Reviewer)<br><br />
GARRELIE Florence, Professor, LHC Director, University of Saint-Étienne (Reviewer)<br><br />
VIART Nathalie, Professor, IPCMS, University of Strasbourg (Examinator) <br> <br />
FONTAINE Joël, Professor, ICube, INSA Strasbourg (Invited member) <br> <br />
AUBEL Dominique, Assistant professor, IS2M, University of Haute-Alsace (Invited member)<br> <br />
Mme HAJJAR-GARREAU Samar, PhD, IS2M, University of Haute-Alsace (Invited member)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar </u> : <br><br />
Thursday, September 19, 2019 at 10:30, Amphitheater Grünewald, Building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Atom Probe Tomography" <br><br />
by '''Dr Peter Clifton from CAMECA Society''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u> : <br><br />
Wednesday, September 11, 2019 at 15:30, Fermi Amphitheater, ECPM (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Recent development of ternary solar cells from materials and device physics" by ''' Prof. Fujun Zhang (Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 10, 2019 at 11 am, Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Optimisation of silicon clathrates for optoelectronic and photovoltaic applications" by ''' Yahia Salah (M2 Medsol internship)''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, July 3, 2019 at 10 am, Room 20 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Detection of pollutants by plasmonic route" by ''' Abdelrahman Ahmed (M2 Medsol internship)''' <br />
<br />
"TCO fabrication and characterization" by '''Saad Makhladi (M2 Medsol internship)''' <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u> : <br><br />
<br />
{|style="color: #FF0000;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'' 1/2 DAY POSTPONED<br />
|}<br />
<br />
Wednesday, June 19, 2019 at 2 pm in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Sensors" by '''Nicolas Javahiraly and Dominique Muller''' <br><br />
<br />
"Detection of pollutants by plasmonic route " by '''Romain Vollondat''' (M2 student)<br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar</u> : <br><br />
Monday, June 17, 2019 at 11 am in Room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Photovoltaic Research at University of Oslo (UiO): Defects in Semiconductors" by '''Eduard Monakhov''' <br><br />
<br />
Abstract:<br><br />
The presentation describes PV research at MiNaLab, Department of Physics, University of Oslo. The activity is a part of The Norwegian Research Center for Sustainable Solar Cell Technology. This is an 8-year nationally coordinated project between different research partners and is financed by the Norwegian Research Council and the industry. The research at MiNaLab is focused on two main topics: (i) defects and impurities in solar Si and (ii) novel materials for tandem solar cells. As indicated in the title, defects are a critical element in these investigations.<br />
Si production is an important industry in Norway. Besides, a lion share of presently installed and produced solar cells are based on Si. Two issues are of particular interest for us: vacancy-oxygen complexes and the so-called light induced degradation (LID). I will give a short introduction to these issues and report on some recent results.<br />
Tandem solar cells are perhaps the most successful and proven approach to overcome the Shockley-Queisser limit. Present tandem cells are based on relatively expensive compounds. Our approach is to combine a Si-based cell (as a bottom cell) with a cell based on a “novel” material (as a top cell). One of such “novel” material is Cu2O. Challenges in the implementation of Cu2O as an active absorber material will be discussed.<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Wednesday, June 12, 2019 at 11 am in Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"A Path to Move Beyond The Lithography Resolution Limit Using Infiltration Synthesis on Directed Self-Assembled Block Copolymers - Challenges and Opportunities in Nanomaterials for Semiconductor and Energy Applications" by '''Yves-André Chapuis''' <br />
<br />
Abstract: <br />
<br />
Directed self-assembly (DSA) of block copolymers (BCPs) has long been viewed as a powerful alternative to extend the resolution of optical lithography in semiconductor industry. For full-area patterning applications, despite significant progress, the DSA method is facing a scalability challenge to transfer sub-10 nm patterns. One potential solution to greatly enhance the pattern transfer issue is a technique called sequential infiltration synthesis (SIS). SIS is a self-limiting synthesis technique, using atomic layer deposition (ALD), where organometallic precursor vapors and oxidants are introduced into self-assembled block copolymer systems to form metallic oxide mask and enhance plasma etch contrast.<br />
In this presentation, the SIS of DSA will be addressed for bit patterned media (BPM) fabrication of next-generation hard-disk drive (HDD), as developed at HGST1. Process flows and fundamental mechanisms of this nanopatterning approach will be reviewed with manufacturing demonstration of disk areal densities about 2.0 Tbit/in2. New insights of the ALD based-SIS process will be also discussed with opportunity in storage energy applications as solar and battery.<br />
1HGST is a subsidiary of Western Digital Corporation that manufactures and sells hard disk drives (HDDs) and solid-state drives (SSDs). The research center of HGST is localized in San Jose, CA, USA.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV seminar</u> : <br><br />
Friday, June 7, 2019 at 11 am, Room 25 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Graphic thin films obtained from thermocatalytically treated diamond-like carbon (DLC) films, applied to the conductivity of transparent films" by '''François Le Normand''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, April 4, 2019 at 2pm, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"High performance organic solar cells processed from bio-solvents" by '''Jing Wang''' (2nd year PhD student)<br />
<br />
<br />
Thesis supervisor: Thomas Heiser <br><br />
<br />
Doctoral School: MSII <br><br />
<br />
Mid-thesis jury: Paul MONTGOMERY (ICube) and Anne Hébraud (ICPEES) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV invited seminar </u> : <br><br />
Tuesday, March 5, 2019 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
<br />
"The doping of SiC, a key step in a technology applied today in power components and targeted for a robust nanophotonics" par '''Mihai Lazar''' (L2n, Troyes)<br><br />
<br />
Summary:<br />
<br />
Until now, Mihai Lazar's research activities around wide bandgap semiconductor technology have focused on the integration of several features, especially for power electronics, high temperature and sensors for various harsh environments.<br />
To achieve these objectives, his research at the Ampère laboratory in Lyon (formerly CEGELY) focused on the production of components through innovative technological processes and new architectures adapted to the specificities of these semiconductor materials. In this SiC technology, ion implantation doping steps and other alternative methods (such as VLS) are a central part of this seminar. Exemplary embodiments of discrete and monolithically integrated SiC power components will be presented. The functioning of certain components is directly related to the impact of the channelization of ions implanted in hexagonal SiC-4H and the control of this phenomenon.<br />
The experience gained in the development of SiC technology for power electronics has allowed Mihai Lazar to open up to other application fields including that of a SiC nanophotonics and the realization of sensors for various harsh environments, through academic or industrial projects in Lyon and more recent missions to the INSP and ESYCOM / ESIEE laboratories. His research is now increasingly oriented towards the development of a nanotechnology for a robust SiC nanophotonics that will be developed on the Nano'Mat platform of the L2n (former LNIO) team which he has come closer and integrated since the end. 2018. The doping of SiC and the engineering of faults thus created are still essential steps.<br />
At L2n, today and in the years to come, his research will focus on (i) white light LEDs in nanostructured SiC with anti-glare layers, (ii) the definition of QDs based on control and implementation. resonance of color-centered defects in SiC, single-photon sources in the visible and (near) infrared, (iii) the interaction and the plasmonic coupling of metal nanostructures on the SiC surface to improve, among other things, the emission efficiency of "Classic" LEDs with white light or those based on the resonance of colored centers.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV PhD defense</u>: <br><br />
Monday, December 17, 2018 at 9.30 am, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of thin films all oxide for photovoltaic components" by '''Alessandro Quattropani.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Thesis director: M. SLAOUI Abdelilah (Researcher director, ICUBE Strasbourg) <br><br />
<br />
Reviewers: Mme. BESLAND Marie-Paule (Researcher director, IMJR, Nantes et M. EL MARSSI Mimoun (Professor, LPMC Université de Picardie, Amiens) <br><br />
Members: Mme. VIART Nathalie (Professor, IPCMS, CNRS-Université de Strasbourg) <br><br />
Invited members: M. DINIA Aziz (Professor, IPCMS, CNRS-Université de Strasbourg) et M. FIX Thomas (Researcher, ICube, CNRS-Université de Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Day of the "Grand Est" Nanofabrication Platform Network (RANGE)</u>: <br><br />
Tuesday, November 13, 2018 at 9:30, Grunewald amphitheater (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
The RANGE network is organizing a meeting of actors from the nanofabrication platforms of the Grand Est on '''November 13, 2018''' at 9:30 am at the Grunewald amphitheater of the Cronenbourg campus. <br/><br />
Scientific presentations related to nanofabrication will be given by researchers from the Jean Lamour Institute (Nancy), the Charles Delaunay Institute (Troyes), the IPCMS (Strasbourg) and ICube. <br/><br />
Thank you for reporting to participate in this meeting. <br/><br />
<br />
Contact: [mailto:dominique.muller@icube.unistra.fr dominique.muller@icube.unistra.fr ]<br/>'''<br />
<br/><br />
[http://plateforme.icube.unistra.fr/c3fab/img_auth.php/a/a7/Journee_RANGE_Nanofabrication_13nov.pdf PROGRAM]<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV HDR defense</u>: <br><br />
Wednesday, September 26, 2018 at 10:15 am, Grünewald amphitheater of building 25 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Transport of efficient and isotropic free charges in organic semiconductors" by '''Patrick Lévêque.'''<br />
<br />
<br />
Jury: <br><br />
<br />
Reviewers: Pr. Bernard RATIER (Institut XLim, Limoges), Pr. Kamal LMIMOUNI (IEMN, Lille), Dr. Lionel HIRSCH (IMS, Bordeaux) <br><br />
Members: Pr. Daniel MATHIOT (ICube, Strasbourg), Dr Loïc MAGER (IPCMS, Strasbourg) et le Pr. Thomas HEISER (ICube, Strasbourg) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Monday, July 16, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Detection of pollutants by plasmonic route " by '''Hamza Settouti''' (M2 student)<br><br />
"Optimization of photoluminescent Si and SiGe nanoparticles synthesis by pulsed laser deposition (PLD)" by '''Laura Diebold''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV recent publication </u> : <br><br />
[http://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA04127J#!divAbstract Ibraikulov et al., J. Mater. Chem. A, 2018, 6, 12038]''</big>''<br />
|}<br />
The results presented in this article by the MaCEPV team and its partners show that the volume of the alkyl chains controls the orientation of the polymers relative to the substrate whereas the functionalisation by fluorine atoms of the conjugated core reinforces the inter-molecular coupling. Together, these two effects are proving to be essential to achieve a photovoltaic conversion efficiency higher than 10%.<br />
{| border="0" <br />
|-<br />
|[[File:Abstract_graphique_JMatChemA2018-2.png|x180px|link=http://icube-macepv.unistra.fr/fr/images//3/30/Abstract_graphique_JMatChemA2018-2.png |JMatChemA2018]]<br />
|}<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV thematic half-day</u>: <br><br />
Friday, July 6, 2018 at 9am, room 40 of building 40 (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
<br />
"Nanoparticles: fabrication methods, characterizations and applications" by '''Frédéric Antoni, Gérald Ferblantier, Daniel Mathiot and Emilie Steveler''' <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Wednesday, July 4, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Elaboration and characterization of silicon-based thin films containing nanoparticles" by '''Naoufal Ennouhi''' (M2 student)<br><br />
"Realization of Transparent Conductor Oxides based on tin oxide" by '''Manale Battas''' (4th year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>'' <u> MaCEPV Thesis defense</u>: <br><br />
Tuesday, July 3, 2018 at 1:30 pm, Grünewald Amphitheater of Building 25 (CNRS Campus Cronenbourg) ''</big>''<br />
|}<br />
<br />
"Growth and characterization of functional nano-crystals of Si1-xGex possibly doped in various dielectric matrices" by '''Abdellatif Chelouche'''<br />
<br />
<br />
Jury composition: <br><br />
<br />
Thesis director: Mr MATHIOT Daniel (Professor, University of Strasbourg) <br><br />
Co-supervisor: Mr. FERBLANTIER Gérald (Lecturer, University of Strasbourg) <br><br />
Reviewers: Mr RINNERT Hervé (Professor, University of Lorraine) and Mr BEN ASSAYAG Gérard (Research Director, CEMES Toulouse) <br><br />
Examiners: Mrs. CARRADA Marzia (Research Officer, CEMES Toulouse), Mrs. CARRADO Adele (Professor, University of Strasbourg) <br><br />
Invited Member: M. MULLER Dominique (Research Engineer, ICube Strasbourg)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, June 25, 2018 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Chemical sensors based on organic field effect transistors" by '''Jean-Philippe Brach''' (M2 student)<br />
<br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Thursday, May 24, 2018 at 10am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
<br />
"Growth of graphene layers by laser ablation (PLD) of carbon: application to the synthesis of electrodes on transparent substrates" by '''François Stock''' (2nd year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminar</u>: <br><br />
Monday, May 14, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition and silicon nanoparticles" by '''Chinmayee Chowdegowda ''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, April 12, 2018 at 11am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Synthesis and Characterization of Carbon thin films by Pulsed Laser Deposition" by '''Chinmayee Chowdegowda ''' (M2 student): <u>'' this seminar is postponed to a later date.'' </u> <br><br />
<br />
"Optimisation of Organic Solar Cells based on Polymer:Fullerene Blend" by '''Anusha Hiremath''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Monday, February 26, 2018 at 11am, room 40 of building 40 (Campus CNRS de Cronenbourg)''</big>''<br />
|}<br />
Presentation of his project for the CNRS entrance competition by '''Matteo Balestrieri '''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Thursday, February 22, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Elaboration and characterization of Zn-Sn-O thin films for solar cells " by '''Abid Toudmir''' (M2 student)<br><br />
<br />
" Characterization of DLC layers on transparent substrates for transparent electrodes " by '''Jamal El Hamouchi''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u>Invited seminar</u>: <br><br />
Wednesday, February 14, 2018 at 11am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Polymer / metal hybrid nanoparticles " by '''Renaud Bachelot''' (UTT/L2N) <br><br />
<br />
<br />
Hybrid nanomaterials are targeted by a rapidly growing group of nanooptics researchers, due to the promise of optical behavior that is difficult or even impossible to create with nanostructures of homogeneous composition. Examples of important areas of interest include coherent coupling, Fano resonances, optical gain, solar energy conversion, photocatalysis, and nonlinear optical interactions. In addition to the coupling interactions, the strong dependence of optical resonances and damping on the size, shape, and composition of the building blocks provides promise that the coupling interactions of hybrid nanomaterials can be controlled and manipulated for a desired outcome. Great challenges remain in reliably synthesizing and characterizing hybrid nanomaterials for nanooptics.<br />
We review and describe the synthesis, characterization, and applications of new hybrid plasmonic nanomaterials that are created through plasmon-induced photopolymerization. Involved polymer can contain active species, resulting in advanced hybrid nano-emitters<br />
The work is placed within the broader context of hybrid nanomaterials involving plasmonic metal nanoparticles and molecular materials placed within the length scale of the evanescent field from the metal surface. We specifically review three important applications of free radical photopolymerization to create hybrid nanoparticles: local field probing, photoinduced synthesis of advanced hybrid nanoparticles (including light-emitting nanosystems), and nanophotochemistry.<br />
We first demonstrate that nanoscale photopolymerization is possible at the surface of Ag nanoparticles,[1,2] gold nanocubes[3] and within the gap between two coupled metal nanoparticles.[4]This local polymer integration enables symmetry breaking, quantification of plasmonic near-fields and trapping of molecules whose Raman signature gets amplified.<br />
Secondly, we show that it is possible to integrate quantum nanoemitters in the vicinity of plasmonic nanostructures with high spatial precision via two-photon polymerization.[5] In particular, we demonstrate two-color nanoemitters that enable the selection of the dominant emitting wavelength by varying the polarization of excitation light. The nanoemitters were fabricated by using two polymerizable solutions with different quantum dots, emitters of different colors can be positioned selectively in different orientations in the close vicinity of the metal nanoparticles. The dominant emission wavelength of the metal/polymer anisotropic hybrid nanoemitter thus can be selected by altering the incident polarization.<br />
<br />
[1] Phys. Rev. Lett. 98, 107402 (2007) [2] ACS Nano 4, 4579 (2010) [3] J. Phys. Chem C. 116, 24734 (2012) [4] ACS Photonics 2, 121 (2015) [5] Nano Letters 15, 7458 (2015)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, January 25, 2018 at 11am, room 25 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Burn-in effect in fullerene-based organic solar cells" by '''Jing Wang''' (1st year PhD student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Friday, December 8, 2017 at 2pm, Grünewald Amphitheater building 25 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Optically addressed light modulators composed of an organic photovoltaic layer " by '''Thomas Regrettier''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday, November 30, 2017 at 2 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Organic solar cells with heterojunction in volume from solution based on triazatruxene derivatives " by '''Tianyan Han''' <br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, April 28, 2017 at 11am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" RBS et NRA measurements " by '''Dominique Muller''' (research engineer C3-Fab) <br><br />
<br />
" Ionic implantation " by '''Yann Le Gall''' (engineer C3-Fab)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Friday, February 3, 2017 at 10am, room 40 of Building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Molecular engineering of luminescent dyes based on an Excited-State Intramolecular Proton Transfer (ESIPT)" by '''Gilles Ulrich''' <br><br />
<br />
"Charge-carrier dynamics in BHJ P3HT:PC61BM." by '''Patrick Lévêque''' (Associate professor)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4th January 2017 at 2pm, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
"Multi-functional and photoaddressable hybrid liquid crystals" by '''Malgosia KACZMAREK''' (Department of Physics and Astronomy, University of Southampton, United Kingdom)<br><br />
<br />
<br />
Future photonic devices require smart micro- or nano-components that are active and tuneable, with dynamically controlled optical properties. One the most promising routes towards their practical realization is to hybridise the fabric of organic or inorganic, photoresponsive materials with liquid crystals. Such hybrid configurations have been successfully demonstrated in the visible, infrared as well as in the THz regimes. They include liquid crystals integrated with plasmonic or ferroelectric nanoparticles, photoactive polymers as well as metamaterials. They offer adaptive, flexible and tailor-made solutions for applications in displays and optoelectronics, switching, steering and modulating electromagnetic waves.<br><br />
In particular, our group has recently demonstrated efficient spectral tuning of liquid crystal-metamaterial system in the visible, achieved by reorienting liquid crystal molecules in a specially designed nano-structured, plasmonic membranes using in-plane electric field. In this design, liquid crystals acted as a macroscopic, dielectric medium with controlled optical anisotropy. The modulation of refractive index were hysteresis-free and extraordinary large and the extent of spectral tuneability was approximately 15%. Furthermore, liquid crystal can be used as a functional component exploiting their elastic properties. We have experimentally demonstrated that through elastic coupling to the specially designed metamaterials, liquid crystals can efficiently modify the character of the nanoscopic actuations.<br><br />
Another example of promising photoresponsive, hybrid materials are azo-dye photoaligning layers integrated with liquid crystals. The focus of previous investigations was on non-mechanical, light driven orientation of liquid crystals in such systems. We have studied the optically induced changes in thin, 20 nm azo-dye layers, in particular their anisotropy and structuring.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 1st December 2016 at 2pm, Marguerite Perey Amphitheater Building 1 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Bulk heterojunction solar cells based on low band-gap polymers and soluble fullerene derivatives" by '''Olzhas Ibraikulov''' <br><br />
<br />
Composition of the jury: <br><br />
<br />
Thesis Director: Thomas Heiser, Professor, University of Strasbourg <br><br />
Co-Supervisor: Patrick Leveque, Associate professor, University of Strasbourg <br><br />
Reviewers: Uli Wuerfel (Doctor, Head of Department, Fraunhofer ISE, University of Freiburg, Germany) and Yvan Bonnassieux (Professor, Ecole Polytechnique, Paris, France) <br><br />
Jury members: Alexander Alekseev (Ph.D., Head of Photovoltaic Laboratory, University of Nazarbayev, Kazakhstan) and Stefan Haacke (Professor, University of Strasbourg)<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 1st December 2016 at 10am, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
"Modeling of organic device from Organic Thin Film Transistor (OTFT) to Organic ElectroChemical Transistor (OECT)" by '''Yvan BONNASSIEUX''' (Ecole polytechnique, Palaiseau) <br><br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Seminars</u>: <br><br />
Tuesday, July 19, 2016 at 2pm, room 40 of building 40 (Campus CNRS Cronenbourg)''</big>''<br />
|}<br />
" Study of the synthesis of SiGe nanoparticles by pulsed laser deposition (PLD) on insulating substrates " by '''François Stock''' (M2 student) <br><br />
<br />
" Redistribution of Ge implanted in SiO2-based dielectric layers" by '''Thibault Haffner''' (M2 student)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 29, 2016 at 10:30 am, room 40 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
" Study of doped semiconductor nanocrystals for integration into components of the silicon industry " by '''Abdellatif Chelouche'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Wednesday, June 22, 2016, room 20 of building 40 (Campus CNRS of Cronenbourg)''</big>''<br />
|}<br />
- at 10:30 am : " Integration of III-V semiconductor materials into more advanced silicon manufacturing processes " by '''Florian Le Goff''' (CIFRE, Thalès III-V Lab, Palaiseau) <br><br />
<br />
- at 1:15 pm: " Study of physicochemical behavior of dopants in II-VI semiconductors for infrared detection " by '''Thomas Grenouilloux''' (CIFRE, Sofradir et CEA, Grenoble)<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV mid-term defense</u>: <br><br />
Friday, June 10, 2016 at 10am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Triazatruxene derivatives as donor materials for bulk heterojunction solar cells" by '''Tianyan Han'''<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Wednesday 4 May 2016 at 2 pm, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Nanoporous fullerene thin films as acceptor templates for organic photovoltaics" by '''Jean-Nicolas TISSERANT''' (ETH ZURICH, Suisse)<br><br />
<br />
<br />
ABSTRACT : "Fullerene thin films having morphological features on a scale of a few tens of nanometres are appealing for organic photovoltaics where they could improve charge separation and the overall cell performance, compared to planar films. We developed a method based on interfacial nucleation and growth to produce 2D percolating films of C60 nanoparticles with diameters between 10 and 50 nm. The benefit of such nanoporous films is illustrated on organic solar cells of the architecture ITO/TiO2/C60/P3HT/MoO3/Ag, where P3HT was infiltrated in a nanoporous C60 template. This template approach is especially suited for donor/acceptor molecules that do not spontaneously form an optimal bulk heterojunction morphology.<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Friday 22nd of April 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
" Perspective on carbon materials: graphene by pulsed laser deposition " par '''Teddy TITE''' (Laboratoire Hubert Curien, Saint-Etienne)<br><br />
<br />
<br />
Despite its out-of-class properties, perfect graphene ("pristine graphene") has many disadvantages (no bandgap, chemical inertia ...) and for practical applications, it is necessary to alter its structural and electronic properties [1]. Many ways have been explored in this sense, such as texturing and surface functionalization by impurities and defects. In this context, the design of new architectures has become a real challenge for the development of new SERS sensors (Surface-Enhanced Raman Scattering) and electrochemical sensors. It should be noted that in parallel with these advances, new methods for synthesizing graphene from a solid source of carbon have emerged. However, it is surprising that their applications have so far been little explored.<br />
In this seminar, we report the synthesis of graphene from DLC (Diamond-Like-Carbon) layers produced by laser ablation and we will explore the applications of this new type of material as SERS sensors for pesticide and electrochemical detection. for molecular grafting.<br />
[1] K. S. Novoselov et al., Nature, 490, 192 (2012).<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> MaCEPV Thesis defense</u>: <br><br />
Thursday 31st March 2016 at 1:30 pm, Henri Benoît Amphitheater of the Charles Sadron Institute (CNRS Campus in Cronenbourg)''</big>''<br />
|}<br />
"RE-Doped SnO2 oxides for efficient UV-visible to Infrared photon conversion: application to solar cells" by '''Karima Bourras''' <br><br />
<br />
<br />
This work focused on the synthesis and structural, optical and electrical characterization of tin oxide films (SnOx) doped with rare earth elements (RE: Neodymium, Praseodymium or Ytterbium). The objective is to demonstrate the conversion of UV or even Visible photons into red photons via these RE-SnOx films, while preserving their transparent conductive oxide properties. The films were produced by chemical methods (sol-gel, precipitation) or physical (sputtering). Thanks to fine analyzes, we have been able to correlate the structural and compositional properties of the RE-SnOx layers with their photon emission properties. We have been able to establish optimal conditions for photon conversion in single or double rare earth systems. The mechanisms governing the transfer in these films have been advanced. Finally, we applied these optimized RE-SnOx on solar cells in silicon and CIGS and we showed an improvement of the photovoltaic parameters of the device as well as a clear gain in the spectral response of the cell in the UV.<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Thursday 31st March 2016 at 11am, IPCMS Auditorium (CNRS Campus Cronenbourg)''</big>''<br />
|}<br />
"the only way for Photovoltaics is up" by '''Jef Poortmans''' (IMEC, Leuven, Belgique)<br><br />
<br />
<br />
ABSTRACT : Due to the strongly decreased prices of PV-modules, the increased weight of the Balance-of-system costs is a strong driver to increase performance in efficiency and energy yield. The presentation will deal with the midterm approaches under study at IMEC to improve crystalline Si solar cells and advanced thin-film PV materials with the aim to realize efficiencies of 30% under 1 sun. <br />
<br />
<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
*''<big>''<u> Invited seminar</u>: <br><br />
Tuesday, February 23, 2016 at 11am, room 40 of building 40 (CNRS Campus of Cronenbourg)''</big>''<br />
|}<br />
"Correlation between polymer architecture, mesoscale structure and photovoltaic performance in polymer:fullerene bulk-heterojunction solar cells" by '''Silke Rathgeber''' (Institute for Natural Sciences, University Koblenz-Landau, Koblenz, Germany / Technology Institute for Functional Polymers and Surfaces GmbH, Neuwied, Germany)<br><br />
<br />
<br />
ABSTRACT : The structural properties of active layers of polymer:fullerene bulk: heterojunction solar cells were investigated by grazing incidence wide-angle x-ray scattering (GiWAXS). In particular the talk will focus on the effect of side-chain substitution of the polymer component, fullerene derivatization and blending with near IR sensitizers. The system under investigation are poly(arylene-ethynylene)-alt-poly(arylene-vinylene) (PAE-PAV) copolymers and poly(3-hexylthiophene). The structural results will be discussed in relation to the photovoltaic performance of the active layers in the device. Furthermore, a brief introduction will be given on the correct evaluation of GiWAXS data in the (q||, q^)-plane and extracting structural information of weakly ordered materials in the bulk. <br />
<br />
<br />
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'''Vendredi 12 juin 2015 à 14h15 à l'amphithéatre Marguerite Perey du Campus du CNRS à Cronenbourg'''<br><br />
Soutenance de thèse de <u>Azhar PIRZADO</u><br><br />
'''"Integration of Few Layer Graphene Nanomaterials in Organic Solar Cells as (Transparent) Conductor Electrodes"'''<br />
<br />
|}<br />
<br />
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'''Jeudi 11 juin 2015 à 11h au Campus CNRS de Cronenbourg - Bat. 40 salle 40'''<br><br />
Séminaire de <u>Carmelo PIRRI</u> , professeur à l'Institut de Science des Matériaux de Mulhouse (IS2M)<br><br />
'''Un cristal bidimensionnel de germanium : le germanène'''<br />
<br />
|}<br />
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'''Friday 17 April at 13:30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch'''<br><br />
PhD defense of <u>M. Raba</u><br><br />
'''"Modélisation et simulation des réponses électriques de cellules solaires organique".'''<br />
<br />
Cette thèse a été dirigée par le Prof. Anne-Sophie CORDAN et co-encadrée par Yann LEROY.<br />
Le jury est composé de :<br><br />
M. HIRSCH Lionel, Directeur de recherches, Université de Bordeaux<br><br />
M. SIMON Jean-Jacques, Maître de conférence HDR, Université d'Aix-Marseille<br><br />
M. KLEIDER Jean-Paul, Directeur de recherches, Université Paris-Sud<br><br />
M. HEISER Thomas, Professeur des Universités, Université de Strasbourg<br><br />
<br />
La soutenance aura lieu le vendredi 17 avril à 13h30 dans l'amphithéâtre A301 à Télécom Physique Strasbourg - Illkirch. Elle sera suivie d'un pot à la cafétéria du bâtiment A auquel vous êtes amicalement conviés.<br />
<br />
Summary:<br />
"The main objective of this work is to study bulk heterojunction organic solar cells with a specific<br />
two dimensional model that takes into account an intermediate state specific to organic materials.<br />
The model is solved numerically by a finite element software. After its validation, it is compared to<br />
two existing approaches in the literature. The large number of parameters needed to describe the<br />
complex charge generation mechanism requires a robust parameter extraction algorithm, based<br />
on the operation of Markov chains, in order to extract these physical parameters from experimental<br />
characterizations.<br />
The model and the parameter extraction method are then used to study the charge dissociation<br />
mechanism of a cell with a newly synthesized molecule. Finally, the temperature evolution of<br />
P3HT :PCBM solar cells are simulated and compared to experimental measurements."<br />
<br />
|}<br />
<br />
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'''Thursday 16 April at 15:30 en Salle 40, Bâtiment 40, Campus CNRS, Cronenbourg'''<br><br />
Seminar by <u>Dr. Lionel HIRSCH, Laboratoire de l'Intégration du Matériau au Système, Talence, France<br />
</u><br><br />
'''"Physical behaviors of organic solar cells".'''<br />
<br />
Abstract:<br><br />
The aim of this talk is to present the main activities of the lab in the organic electronics field and focus on the physics of organic solar cells. Actually, we use the devices to study their working principles as well as the physics of organic semiconductors. Two examples will be presented.<br />
The first one deals with the charge recombination dynamics. We have probed the charge recombination dynamics from sub picosecond to millisecond and demonstrated that the transition between bimolecular and monomolecular recombination mechanisms in BHJ solar cells is driven by the residual doping level.<br />
The second one with the TiOx interlayer used in inverted structure. Inverted structures need interlayer to collect electrons though the ITO electrode. TiOx is widely used but cells need to be light activated to get optimal efficiency. Then, understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. TiOx interlayers are used here to tune the selectivity of the cathode contact to electrons by the controlled action of UV light. After 2 minutes of UV-light exposure the device is fully activated showing high fill factor (~60 %) and adequate efficiencies (~4 %). The S-shaped kink observed for deactivated titania interlayers completely disappears. Kelvin probe and capacitance studies have been carried out to determine the effect of UV on the TiOx interlayer.<br />
<br />
|}<br />
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'''Thursday 5 March at 2pm in amphithéâtre Marguerite Perey, sur le site de Cronenbourg'''<br><br />
Soutenance de thèse de <u>Rim Khelifi</u><br><br />
'''"Synthèse par faisceaux d’ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium".'''<br />
<br />
Le jury est composé de:<br />
<br />
-M. Daniel MATHIOT, Professeur, Université de Strasbourg, ICube, Directeur de thèse.<br />
<br />
-Mme. Caroline BONAFOS, Directrice de Recherche, CNRS, CEMES (Toulouse), Rapporteur.<br />
<br />
-M. Hervé RINNERT, Professeur, Université de Lorraine, IJL (Nancy), Rapporteur.<br />
<br />
-M. Sébastien DUGUAY, Maître de Conférence, Université de Rouen, GPM, Examinateur.<br />
<br />
-M. Fabrice GOURBILLEAU, Directeur de Recherche, CNRS, CIMAP - ENSICAEN (Caen), Examinateur.<br />
<br />
-M. Dominique MULLER, Ingénieur de Recherche, CNRS, ICube (Strasbourg), Examinateur.<br />
<br />
<br />
Ces travaux de recherche ont été dirigés par Daniel Mathiot et co-encadrés par Dominique Muller. Ils ont été réalisés au sein de l'équipe MaCEPV du laboratoire ICube à Strasbourg.<br />
|}<br />
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'''Thursday 15 January 2015 at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Quentin RAFFY, IPHC</u> <br><br />
'''Cinétique de production du radical HO• en milieu aqueux sous irradiation alpha / proton pour une application en hadronthérapie'''<br />
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'''Monday 15 December 2014, at 11am''' , salle 40 du batiment 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Prof. S Sundar Kumar Iyer</u> <br><br />
'''Increasing Efficiency in Organic Solar Cells and Modules'''<br />
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'''Thursday 27 November 2014 at 11am''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
MaCEPV seminar by <u>Jayanta Baral</u><br />
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'''Thursday 16 October 2014 at 2pm''' en salle des Séminaires, Bat 40, 23 rue du Loess , Campus de Cronenbourg, STRASBOURG<br><br />
Seminar by <u>I.V. Komissarov</u> (ICube-MaCEPV, Université BSUIR Minsk)<br />
<br />
'''"CATALYST-FREE DEPOSITION OF MULTILAYER GRAPHENE FILM ON MGO (111) SINGLE CRYSTAL AND QUARTZ BY Pulse Laser Deposition"'''<br />
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'''Summer school on inorganic photovoltaics – L’inscription est désormais ouverte!'''<br />
<br />
La première École d’Été Internationale sur le Photovoltaïque Organique<br />
dans le Rhin-Supérieur, organisée par le consortium du projet Rhin-Solar, aura lieu<br />
du 1er au 4 septembre 2014 à Strasbourg, France<br />
<br />
Cette école d’été contribue à la formation des jeunes chercheurs en proposant une série de cours qui couvrent tous les aspects du développement de nouveaux molécules organiques jusqu’à la production continue des modules organiques photovoltaïques.<br />
<br />
[http://www.rhinsolar.eu/registration/ L’inscription est ouverte!]<br />
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'''Tuesday 1 July 2014 at 2pm, salle 40 du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Mesure et gestion des contaminants métalliques nobles dans l’industrie microélectronique avancée'''<br><br />
PhD follow-up seminar (mi-parcours) by <u>Marie Devita (CIFRE STMicroelectronics / CEA-LETI), directed by Prof. D. Mathiot</u><br />
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'''from 7 to 10 October 2014 '''<br><br />
[[File:Ibaf.jpg|100px|left|link=http://www.vide.org/ibaf2014/]]<br />
The '''IBAF 2014''' meeting, that brings together ion beam users, will take place in Obernai from 7 to 10 October 2014. The meeting will gather French physicists, biologists and experts in ion beam processes and accelerators. <br />
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'''Monday 14 April 2014, new associate researcher in the team'''<br><br />
<u>Ivan KOMISSAROV</u> will be in our team until 15 October 2014 and will investigate with François Le Normand <br />
the formation of a layer of grapheme at the interface between Cu and MgO.<br />
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'''Wednesday 2 April 2014 at 11:00, salle de Conférences du batiment 40 du Campus CNRS de Cronenbourg (23 rue du Loess)'''<br><br />
'''Temperature Dependence of Magnetic Properties of Carbon Nanotube - Based Nanocomposite with Low Content of Ferromagnetic Nanoparticles'''<br><br />
<u>Professor Serghej .L. Prischepa</u><br />
Telecommunication Department<br />
Belarusian State University of Informatics and RadioElectronics<br />
P. Brovka str. 6, Minsk 220013 BELARUS<br />
Tel. +375172932317<br><br />
<br />
<u>Abstract :</u><br><br />
We investigated the magnetic hysteresis loops of CNT-based nanocomposite with very low concentration of catalytic ferromagnetic nanoparticles. Measurements were performed in a wide temperature range, from 2K up to 350K. Experimental data were analyzed within the random anisotropy model (RAM), which gives us the possibility to evaluate the micromagnetic parameters of the system. The law of the approach to saturation (LAS) revealed that, for correct description of the data the correlation function of the magnetic anisotropy axes should be taken into account. At that the obtained correlation functions depend on temperature revealing the influence of the carbon medium on the interparticle interaction. In particular, it was shown that the magnetic coherent anisotropy dominates for the low concentration of nanoparticles at low temperatures. While increasing both the nanoparticle concentration and the temperature the exchange interparticle interaction dominates diminishing essentially the coherent processes. The influence of the concentration becomes determining starting from some threshold values which leads to the dominant role of the exchange coupling in the whole temperature range.<br />
<br />
Invited by Francois LE Normand<br />
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'''Friday 31st January 2014 at 2 P.M., Amphitheatre Matthias Grünewald, Building 25 of the Cronenbourg campus (23 rue du Loess)'''<br><br />
PhD defense of <u>Peter Lienerth</u><br><br />
'''Elaboration and characterization of field-effect transistors based on organic molecular wires for chemical sensing applications'''<br><br />
<u>Thesis Committee:</u><br><br />
- M. Thomas HEISER, Supervisor<br><br />
- M. George MALLIARAS, Principal examiner<br><br />
- M. Klaus LEIFER, Principal examiner<br><br />
- Mme Françoise SEREIN-SPIRAU, Examiner<br><br />
- M. Bernard DOUDIN, Examiner<br />
<br />
<u>Abstract:</u><br><br />
Due to the weak van der Waals bonding between neighboring molecules charge transport in organic semiconductors is very sensitive to ambient gases. Polar analytes have been reported to decrease the mobility in organic field effect transistors (OFETs) allowing reliable and reproducible detection of known compounds. We found that the additional utilization of the hysteresis of the transfer characteristics creates individual response-patterns, improving the identification of different polar analytes. Measurements of the transient drain current were employed to gain insights into the underlying mechanisms of the hysteresis change.<br><br />
To improve the understanding of the side-chain influences on the gas sensing performances polymers with different side chains were used as active material in OFETs for ethanol sensing. The differences in sensitivity were correlated to the results derived from various experimental techniques and allowed to draw consistent conclusions on the origin of the behavior.<br />
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'''Friday 20th December 2013''', amphithéâtre Marguerite Perey, Cronenbourg site at 23 rue du Loess<br><br />
PhD defense of <u>Fabien Ehrhardt</u><br><br />
'''Synthesis and caracterisation of silicon nanostructures in a silicon oxynitride matrix: application to photovoltaic solar cells'''<br><br />
Thesis Committee:<br><br />
- M. SLAOUI Abdelilah, Directeur de Recherche, ICube, Strasbourg, Directeur de thèse<br />
<br />
- Mme BERBEZIER Isabelle, Directrice de Recherche, IM2NP, Marseille, Rapporteur<br />
<br />
- M GOURBILLEAU Fabrice, Directeur de Recherche, CIMAP, Caen, Rapporteur<br />
<br />
- Mme BONAFOS Caroline, Directrice de Recherche, CEMES, Toulouse, Examinateur<br />
<br />
- M FERBLANTIER Gérald, Maître de conférences, ICube, Strasbourg, Examinateur<br />
<br />
- M REHSPRINGER Jean Luc, Directeur de Recherche, IPCMS, Strasbourg, Examinateur<br />
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'''REACT project'''<br><br />
REACT is a collaborative project between the MaCEPV team at ICube and YURIC (Regional Innovation Center for Solar Cells and Module) at YEUNGNAM University (South Korea). The project duration is two years (2013-2014).<br><br />
The projects is targeting to: control the synthesis of ZnO films doped with rare earth elements (RE-TCO), understand the influence of doping processes on the optical and electrical properties of such an oxide, implement such films on silicon and CIGS solar cells, and test their performances.<br />
The project is based on the exchange of students, researchers, samples and caracterisation techniques.<br />
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The '''European EUROSUNMED project''' - in which the MaCEPV team is a major actor (coordination)- was launched in Brussels on 4 September 2013.<br />
<br />
EUROSUNMED is a 4-year collaborative project supported by the FP7 Programme. It gathers research centres, university laboratories, national agencies and SMSs from Europe and MPC (Mediterranean Partners countries), namely Morocco and Egypt.<br />
This innovative project is targeting the following objectives:<br />
<br />
· Developing new technologies in 3 energy field areas, namely photovoltaics, concentrated solar power and grid integration;<br />
<br />
· Testing innovative components (PV cells/modules, heliostats…) under specific conditions of MPCs (irradiation, hot climate, dust…);<br />
<br />
· Establishing a strong network between EU and MPCs through exchange of students, senior researchers/engineers for transferring knowledge and technologies;<br />
<br />
· Disseminating the results of the project through the organization of scientific events open to a large public from universities, engineering schools and stakeholders;<br />
<br />
Coordinator: A. Slaoui (MaCEPV, ICube)<br><br />
Website: http://www.eurosunmed.eu<br><br />
Newsletter: http://www.eurosunmed.eu/simplenews/eurosunmed-newsletter-ndeg1<br />
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'''Wednesday 20th November 2013''' – Hotel Mittenza – Basel<br><br />
“Research and Industry Forum on Organic Photovoltaics” on the theme:<br />
<br />
'''Inkjet printing and roll-to-roll processes for organic solar cells'''<br />
<br />
organised by the consortium Rh(e)in-Solar<br />
<br />
<br />
The Rh(e)in-Solar R&I forum allows industrial and academic actors from the OPV technology to meet and present the latest developments in inkjet printing and roll-to-roll processing. Key speakers from Switzerland, Great-Britain and France as well as members from the Rh(e)in-Solar consortium will expose their work and take part in a debate about perspectives for industrial developments of this emerging technology. Two representatives of the European funding agencies are also invited to present the Interreg V and Horizon 2020 programs and to identify opportunities for supporting R&D activities in OPV.<br />
<br />
For more information about the forum and the Rh(e)in-Solar consortium, please visit our website www.rhinsolar.eu <br />
Registration to the forum is free but compulsory before November 13th. Please find the registration form at the following link: http://www.pole.energivie.eu/formulaire/inscription-evenement?id_event=491&nom=Forum+Recherche+Industrie+-+Rh%28e%29in+Solar<br />
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'''Wednesday 13 November''', room 25 building 40<br><br />
Visit of researchers from Fraunhofer ISE, Structured Surfaces group<br><br />
11:00 <u>Dr B. Bläsi</u>: '''Photonic Micro and Nanostructures''' (30+15 min)<br><br />
11:45 <u>Dipl. Phys. S. Jüchter</u>: '''Plasmonic Particle Arrays for Photon Management''' (30+15 min)<br />
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'''Friday 4 October at 10:30''' en Salle 40 du Bâtiment 40<br><br />
'''Nanocristaux semi-conducteurs de type CdS et ZnO : une approche pluridisciplinaire'''<br />
<br />
<u>Mathieu Frégnaux</u> <br>Laboratoire Réactions et Génie des Procédés (LRGP, UMR 7274)<br />
Ecole Nationale Supérieure des Industries Chimiques (ENSIC)<br />
Université de Lorraine, Nancy, France<br><br />
<br />
RESUME: <br />
<br />
Des nanocristaux semi-conducteurs (quantum dots – QD) de type II-VI (CdS et ZnO) ont été élaborés par différentes méthodes chimiques relevant de l’approche bottom-up : les croissances (i) par source unique de précurseur et (ii) par voie micro-ondes pour CdS mais aussi (iii) par voie sol-gel pour ZnO. Dans les trois cas, l’utilisation de basses températures de croissance (T < 280°C) mais également le recours à des temps de réactions très courts (5 min <t < 2h) ont permis l'obtention de QD de petites tailles, 2 nm < Ø < 6 nm.<br />
<br />
Dans le but d’étudier les propriétés physiques et chimiques des QD de CdS, un protocole de caractérisation par techniques conjointes a été mis au point. La spectrométrie de masse (SM) couplée à des sources d’ionisation douce (MALDI-TOF MS) a permis d’estimer la taille et la distribution en taille des QD. Ces estimations ont été confirmées par microscopie électronique en transmission (MET). La confrontation des résultats de SM et de MET a suggéré une géométrie des QD (i) sphérique et (ii) ellipsoïdale. La diffraction des rayons X (DRX) a montré l’état cristallin des nanoparticules en structures (i) würtzite et (ii) zinc blende. La spectroscopie optique à température ambiante (absorption et photoluminescence – PL) a témoigné des effets de confinement quantique par le glissement de la réponse excitonique en fonction de la taille des QD, tout en s’inscrivant dans la correspondance connue énergie-taille.<br />
Dans la perspective d'applications optoélectroniques potentielles, le transfert de ces solutions colloïdales en couches minces est primordial. Ainsi, le développement de dépôt de couches minces de polymère (PMMA) contenant des QD par spin coating a été développé. Les différentes techniques de caractérisation ont montré que les QD conservaient leur intégrité et leurs propriétés de luminescence lors de leur inclusion dans la couche de PMMA. Le recours à la microscopie électronique à balayage (MEB) couplée à une analyse aux rayons X a permis de connaître la composition chimique des dépôts et la MET en haute résolution (METHR) nous a renseigné sur la structure cristalline des nanoparticules. Une étude par ellipsométrie spectroscopique a été entreprise pour cerner plus directement les propriétés optiques de ces couches minces nanostructurées.<br />
<br />
Enfin, les QD de ZnO synthétisés (iii) par voie sol-gel ont été fonctionnalisés par des (poly)aminoalkoxysilanes pour les rendre hydrodispersables et biocompatibles. L’évaluation des risques associés à ce type de nanomatériaux nécessite de mettre en évidence une relation entre propriétés physiques, chimiques et toxicité. Dans le cas des nanocristaux, la toxicité semble avoir au moins deux origines : une fuite de métal du cœur du QD et la production d'espèces réactives de l'oxygène (radicaux). Si la fuite de métal est liée à la composition et à la stabilité des QD, la production d’espèces réactives de l’oxygène semble être liée à sa réactivité et sa chimie de surface.<br />
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'''Vendredi 20 Septembre''' à 11h00, en Salle 40 du Batiment 40<br><br />
Présentation du travail de Master 2 de <u>Mohammed Benyahia</u><br />
<br />
'''Croissance de films monocristallins de nickel sur MgO(111). Application à la formation de graphène par implantation de carbone et recuit.'''<br />
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'''Friday 6 September''', at 10h30, salle 40 du Bt. 40 (campus de Cronenbourg).<br><br />
Seminar (suivi de thèse) by <u>Rim Khelifi</u><br />
<br />
'''Synthèse par faisceaux d'ions de nanocristaux semi-conducteurs fonctionnels en technologie silicium'''<br />
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'''Tuesday 23 July''', Symposium related to the European mobilty contract "Belera" at Campus de Cronenbourg, Bâtiment 40, Salle 40<br />
<br />
'''« Magnetic properties of hybrid carbon nanotubes-ferromagnetic materials »'''<br><br />
<br />
Programme<br />
<br />
*09h30 Coffee and Welcome<br />
<br />
:Morning Moderator : W. Labunov (BSUIR University, Minsk, Belarus)<br><br />
*09h45 <u>Prof Serghej Prischepa</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Interplay between exchange coupling and magnetic anisotropy in aligned arrays of CNT with iron based magnetic nanoparticles"<br><br />
*10h30 <u>Dr Francois Le Normand</u> (CNRS/ICube-MaCEPV, Strasbourg, France)<br><br />
::« Magnetic properties of ferromagnetic nanoparticles encapsulated on top of oriented carbon nanotubes by plasma-enhanced CVD »<br><br />
*11h15 Break<br><br />
*11h30 <u>Dr Alena Prudnikava</u> (BSUIR University, Minsk, Belarus)<br><br />
::"Structural characterization of CNTs synthesized by floating catalyst CVD at different conditions".<br />
<br />
:Afternoon Moderator : S. Prischepa (BSUIR University, Minsk, Belarus)<br><br />
*14h00 <u>Prof Luc Hébrard</u> (CNRS/ICube-SMH, Strasbourg, France)<br><br />
::"CMOS compatible integrated magnetometers"<br><br />
*14h40 <u>Dr Ivan Komissarov</u> (BSUIR University, Minsk, Belarus)<br><br />
::« to be completed «<br><br />
*15h30 <u>Prof. Andrzej Wisniewski</u> (Division of Magnetism, Institute of Physics, Polish Academy of Sciences, Warsaw, Poland<br><br />
::« Tunable magnetic properties of cobaltite nanoparticles »<br><br />
*16h15 Conclusions and Perspectives <br />
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'''Monday 22nd July 2013''' at 11 am at the auditorium of the IPCMS<br><br />
<br />
'''Seminar Rh(e)in-Solar : Tandem architectures for efficient organic solar cells'''<br />
<br />
presented by<br><br />
<u>Dr. Alexander COLSMANN</u> <br><br />
Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany<br />
<br />
Abstract: Very recently, a number of companies announced organic solar cells with power conversion efficiencies well exceeding 10% on lab scale opening pathway towards a cost-efficient exploitation of this young technology, thereby widely exhausting the efficiency potential for common single junction solar cells. Reasons for the strong efficiency limitations in organic solar cells are among others the spectrally limited absorption of organic semiconductors as well as thermalization losses during charge carrier relaxation after the absorption of highly energetic photons. A widely discussed concept to overcome this limitation is the use of tandem solar cell architectures, i.e. the (monolithic) integration of two solar cells in series in a single device stack. Their working principle relies on two different light absorbing semiconductors with different band-gap and hence complementary absorption in order to ensure a broader absorption of the solar spectrum and to reduce the energy losses upon the absorption of highly energetic photons. In fabrication processes, the sophisticated tandem solar cell multilayer-architectures offer many degrees of freedom such as choices for materials and layer thicknesses. Hence, understanding their working principle and optimizing their efficiency is one of the most challenging tasks in organic photovoltaics. Besides carefully chosen complementary absorbers there is a strong need for charge carrier transport layers that allow for the fabrication on an ohmic intermediate contact with low resistivity. Both require advanced solutions in particular when low-cost solution deposition processes are considered with respect to future printing processes.<br />
<br />
In this work we present general concepts for the solution fabrication of tandem organic solar cells and how to realize devices with decent power conversion efficiencies. In particular, we present promising concepts for charge carrier transport layers for advanced device architectures and solutions how to overcome solubility limitations. <br />
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'''Thursday 11 July''' at 10:30, salle 70, IPCMS<br><br />
<br />
Seminar '''Phase Evolution during the Selenization of CuGaIn Alloy Precursors'''<br />
presented by<br><br />
<u>Pr Woo Kyoung Kim</u>, School of Chemical Engineering, Yeungnam University, South Korea<br />
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'''Wednesday 10 July 2013''' <br><br />
STAR program France-Korea with Yeungnam University: some MaCEPV members visit Voltec-solar <br><br />
[[File:visite-voltec.jpg|thumb|left|upright=1.2]]<br />
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'''Wednesday 10 July''' at 11am; Auditorium IPCMS<br><br />
<br />
Seminar '''Research Activities at Information Materials Laboratory of Yeungnam University, South Korea'''<br />
<br />
presented by<br><br />
<u>Pr Chinho PARK</u>, Regional Innovation Center for Solar Cell & Module (YURIC), Yeungnam University, South Korea<br />
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'''2nd July''' at 10.30 AM in room 40 of building 40 (CNRS Campus in Cronenbourg)<br><br />
<br />
Seminar '''Étude de l’intégration de vias traversants réalisés par MOCVD en vue de l’empilement 3D de composants microélectroniques'''<br />
<br />
Presented by<br><br />
<u>Larissa DJOMENI</u>, PhD student at Icube<br />
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'''21 Juin''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
<br />
Séminaire '''Étude par Microscopie Electronique à Transmission quantitative de nanocristaux enrobés dans des diélectriques''' <br />
<br />
présenté par<br />
<br />
<u>C. Bonafos</u>, C. Gatel, E. Snoeck et M. J. Hÿtch<br />
<br />
CEMES/CNRS, 29 rue J. Marvig, 31055 Toulouse Cedex 04<br />
<br />
Abstract<br />
<br />
Les nanocristaux semiconducteurs ou métalliques élaborés par des techniques dites « physiques » (implantation ionique, pulvérisation cathodique ou dépôt chimique en phase vapeur…) et enrobés dans des matrices diélectriques sont étudiés pour leurs propriétés électroniques et/ou optiques. Ces systèmes nanostructurés sont intéressants pour des applications (i) en photonique (dispositifs électroluminescents, guides d’ondes), en mettant à profit les effets de confinement quantique dans les nanostructures semiconductrices [1], en plasmonique en profitant de l’exaltation du champ électromagnétique grâce aux plasmons de surface des nanocristaux métalliques [2] et, pour les deux types de nanocristaux, en microélectronique (mémoires non volatiles) en profitant de leurs propriétés de stockage de charge [3], voire même en photovoltaïque. <br />
Dans cette conférence, nous nous intéresserons aux propriétés structurales de ces nanocristaux et en particulier aux techniques de Microscopie Electronique à Transmission avancées permettant une étude quantitative sur des populations ou d’un nanocristal isolé. Le cas particulier de nanocristaux de Si enrobés dans des matrices de silice ou de nitrure de silicium sera étudié, et nous montrerons tout l’intérêt de l’imagerie filtrée en énergie (EFTEM) pour une étude quantitative complète de ces systèmes [4]. Ensuite, deux techniques développées au CEMES et permettant la cartographie de contraintes via des mesures de déformations (l’analyse des phases géométriques [5] et l’holographie en champ sombre [6]) seront présentées. Nous montrerons les premiers résultats concernant l’état de contrainte de nanocristaux d’Ag individuels enrobés dans de la silice ainsi que l’intérêt de telles mesures pour comprendre les propriétés vibrationnelles de ces objets d’une part et leurs processus d’auto-organisation d’autre part. <br />
<br />
[1] J. Carreras, C Bonafos, J Montserrat, C Dominguez, J Arbiol and B Garrido Nanotechnology, 19, 205201 (2008).<br />
<br />
[2] R. Carles, C. Farcau, C. Bonafos, G. Benassayag, M. Bayle, P. Benzo, J. Groenen, and A. Zwick ACS Nano, 5 (11), pp 8774–8782 (2011).<br />
<br />
[3] C. Bonafos, M. Carrada, G. Ben Assayag, A. Slaoui, P. Dimitrakis and P. Normand, Materials Science in Semiconductor Processing, article de revue, (Ed. Elsevier), 15, 615–626 (2012). <br />
<br />
[4] S. Schamm, C. Bonafos, H. Coffin, N. Cherkashin, M. Carrada, G. Ben Assayag, A. Claverie, M. Tencé, C. Colliex, Ultramicroscopy 108, 346–357 (2008).<br />
<br />
[5] M.J. Hÿtch, E. Snoeck and R. Kilaas, Ultramicroscopy 74, 131–146(1998).<br />
<br />
[6] M.J.Hÿtch, F.Houdellier, F.Hüe and E.Snoeck, Nature 453 1086 (2008)<br />
<br />
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'''Wednesday 12/06/2013''' at 11:00 am <br><br />
'''Integration of Few Layer Graphene (FLG) nanomaterial as transparent conductive electrode (TCE) in Organic Photovoltaic (OPV) cells'''<br />
<br />
Presenter: <u>PIRZADO Azhar Ali Ayaz</u><br />
<br />
Location: Room no: 25, Building 40 Cronenbourg Campus<br />
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'''20 Mars''' à 14h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg)<br><br />
'''A 10-nm sized molecular electronics platform for applied and fundamental molecular property measurements'''<br />
<br />
Séminaire présenté par <br />
<br />
<u>KLAUS LEIFER</u><br />
Departement of Engineering Science, University of Uppsala, Sweden.<br />
<br />
Abstract <br />
<br />
The field of single and few molecule electronics has seen great progress in electrical contacting of molecules, chemical protocols and measurement set-ups. Here, we show a new way to establish molecular-metal junctions in a nanoelectrode-molecule-nanoparticle junction platform [1]. The device allows for measurements of electrical properties of a few molecules which is a sufficiently small number to obtain the electronic signature related to single molecules bound in this junction. The molecule-nanoparticle junctions are established by di-electrophoretic trapping of octane-dithiol functionalised nanoparticles (5nm), where the dangling thiol group is protected using trityl molecules [2]. The subsequent removal of the trityl molecules allows the thiol-group to bond to the closest metal surface so that a network of conductive pathways is established between the electrodes spaced by 20nm. This procedure enabled the establishment of reproducible molecule-metal junctions resulting in the reduction of the spread of resistance histograms on the devices to less than one order of magnitude. This enabled us to carry out inelastic tunnel spectroscopy (IETS) measurements. Quantitative modelling of these junctions by density functional theory calculations as well as quantum transport calculations allowed very good fits of the model to our experimental results revealing several vibrational transitions in the IETS spectra. Furthermore we obtain that typical conductive channels contain 4-6 molecule-nanoparticle junctions. This platform is thus prepared for sensor applications and we will present first sensing results.<br />
<br />
<br />
[1] T. Blom, K. Welch, M. Stromme, E. Coronel, K. Leifer, Nanotechn. 18, 285301, 2007; S. H. M. Jafri, T. Blom, A. Wallner, K. Welch, M. Stromme, H. Ottosson and K. Leifer, J. Microelectr. Eng., 88, 2629, 2011.<br />
<br />
[2] A. Wallner,H.Jafri,T.Blom,A.Gogol,J.Baumgartner,K.Leifer,H.Ottosson,Langmuir27,9057,2011.<br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''Lundi 4 février''' à 11h en Salle 40 du bâtiment 40 (Campus CNRS Cronenbourg), séminaire du département DESSP-ICUBE<br />
présenté par <br />
<br />
<u>Olivier SIMONETTI</u> de l'Université de Reims Champagne-Ardenne, Laboratoire de Recherche en Nanosciences.<br />
<br />
'''Titre du séminaire : Modélisation du transistor organique : Prise en compte du transport et de l’injection des charges'''<br />
<br />
Résumé :<br />
<br />
Les propriétés électriques et optiques de différents matériaux organiques ont permis la démonstration d’un certain nombre de dispositifs opto-électroniques : diodes organiques électroluminescentes (OLED), transistors organiques (OFET), cellules solaires (OPV) ... . Des technologies bas coût, à l’instar de l’impression jet d’encre, sont en développement pour produire ces dispositifs à grande échelle et sur substrats souples (« roll to roll »). Le nombre d’applications envisagées est énorme, les plus fréquemment citées étant les écrans souples, les étiquettes RFID, les capteurs ... ; le domaine de l’électronique organique, multidisciplinaire, est en essor rapide dans le monde entier. Toutefois, si des écrans OLED sont disponibles commercialement, une des briques fondamentales des circuits électroniques, le transistor, n’est pas encore mature pour les applications envisagées. Malgré des améliorations significatives ces 20 dernières années, les OFETs souffrent de nombreux défauts : tensions de polarisation élevées, courants faibles, fréquences très limitées, instabilités et dérives ... . Ces nombreux verrous technologiques sont en partie dus à des limitations intrinsèques des matériaux organiques, notamment les phénomènes liés au transport et à l’injection des porteurs de charge dans les composants organiques qui ne sont pas encore totalement compris. Cependant, des modèles physiques avancés de transport et d’injection ont été développés sur la base d’hypothèses relatives au caractère désordonné des semi-conducteurs organiques. Même si ces modèles peuvent poser encore question ils permettent de rendre compte d’un grand nombre de comportements physiques observés dans les dispositifs électroniques organiques (en température, en champ ...).<br />
<br />
Nos études se concentrent sur l’étude du comportement électrique du transistor organique et sa réalisation par impression. Après un survol de l’électronique organique nous présenterons le transistor organique, ses limitations et les moyens techniques nous permettant de le caractériser. Nous exposerons ensuite les résultats obtenus sur la réalisation d’un transistor organique où le semi-conducteur a été déposé par impression jet d’encre (voir la figure). Nous nous focaliserons enfin sur un modèle électrique d’OFET prenant en compte les phénomènes physiques spécifiques des matériaux organiques. Nous montrerons les implications qui découlent de la prise en compte de ces phénomènes physiques sur le comportement des transistors organiques. Ce modèle, accessible en ligne, prend en compte le transport par saut, l’injection non linéaire aux contacts, des pièges à l’interface isolant/semi-conducteur, des résistances de contact au niveau des électrodes source et drain, fixes et/ou dépendantes de la polarisation, etc. <br />
|}<br />
<br />
{|class="wikitable"<br />
|<br />
'''Jeudi 31 janvier 2013''' à 11h en Salle 40 du bâtiment 4 (Campus CNRS Cronenbourg), séminaire DESSP-MACEPV<br />
présenté par <br />
<br />
<u>Daniel BELLET</u> du Laboratoire des Matériaux et du Génie Physique (LMGP) de Grenoble<br />
<br />
'''Titre du séminaire : Quelques problèmes physiques relatifs aux électrodes transparentes (notamment en vue d’intégration de cellules solaires)'''<br />
<br />
Résumé :<br />
<br />
Les matériaux transparents conducteurs (TCM) font l’objet de nombreuses études scientifiques et technologiques. Le but applicatif de ces électrodes transparentes concernent des domaines d’applications dont les besoins industriels vont aller croissant à l’avenir du fait de leurs utilisations indispensables au sein de cellules solaires, d’écrans ou éclairage de basse consommation (LEDs) etc… Deux grandes familles coexistent au sein des TCM : les oxydes transparents conducteurs (TCO) et des matériaux plus récemment étudiés. Parmi ces derniers, les réseaux de nanofils métalliques semblent être très prometteurs, tant en terme de propriétés physiques, mécanique que sur le plan économique. Nous discuterons de divers processus qui limitent les propriétés physiques de ces matériaux.<br />
<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=932
People
2022-09-09T13:43:40Z
<p>Steveler : /* Non-permanent staff */</p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-team leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
'' Board members: '' <br><br />
FERBLANTIER Gérald <br><br />
FIX Thomas <br><br />
MULLER Dominique <br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> <!--''Co-team leader''-->||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-team leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|BEL-HADJ||Ibrahim||<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||venugopalan AT unistra.fr<br />
|-<br />
|VOLLONDAT ||Romain|| romain.vollondat<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA<br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||<br />
|-<br />
|LAMBRECHT ||Achille|| Master student at Lille University<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student at INPT-ENSIACET (in collaboration with MaCEPV)<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé|| Teacher at university, Cameroun<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=930
People
2022-09-08T09:21:29Z
<p>Steveler : /* Former members (in alphabetical order) */</p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-team leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
'' Board members: '' <br><br />
FERBLANTIER Gérald <br><br />
FIX Thomas <br><br />
MULLER Dominique <br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> <!--''Co-team leader''-->||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-team leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||venugopalan AT unistra.fr<br />
|-<br />
|VOLLONDAT ||Romain|| romain.vollondat<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA<br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||<br />
|-<br />
|LAMBRECHT ||Achille|| Master student at Lille University<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student at INPT-ENSIACET (in collaboration with MaCEPV)<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé|| Teacher at university, Cameroun<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=929
People
2022-09-08T09:14:18Z
<p>Steveler : /* Former members (in alphabetical order) */</p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-team leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
'' Board members: '' <br><br />
FERBLANTIER Gérald <br><br />
FIX Thomas <br><br />
MULLER Dominique <br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> <!--''Co-team leader''-->||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-team leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||venugopalan AT unistra.fr<br />
|-<br />
|VOLLONDAT ||Romain|| romain.vollondat<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA<br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FERRY||Stéphanie||<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||<br />
|-<br />
|LAMBRECHT ||Achille|| Master student at Lille University<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TCHOGNIA||Hervé||<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler
https://matisen.icube.unistra.fr/en/index.php?title=People&diff=928
People
2022-09-08T09:13:30Z
<p>Steveler : /* Non-permanent staff */</p>
<hr />
<div>[[fr:Personnel]]<br />
__NOTOC__<br />
<br />
'''<big><big>Group leaders:</big></big>'''<br> <br><br />
''Leader:'' HEISER Thomas (email address: thomas.heiser AT unistra.fr) <br><br />
''Co-team leader:'' MARTIN Evelyne (email address: evelyne.martin AT unistra.fr) <br><br><br />
<br />
'' Board members: '' <br><br />
FERBLANTIER Gérald <br><br />
FIX Thomas <br><br />
MULLER Dominique <br><br />
<br />
<br />
'''<big><big>Email address :</big></big>''' <br />
<br />
See below (also available on ICube website at the following address http://icube-intranet.unistra.fr/fr/directory/)<br><br><br />
<br />
<br />
'''<big><big>MaCEPV members :</big></big>'''<br><br />
== Researchers and professors ==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email (AT unistra.fr)<br />
|-<br />
|CHAPUIS||Yves-André ||Associate professor-HdR <br>||03 88 10<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|[[FERBLANTIER Gérald|FERBLANTIER]]||Gérald||Associate professor <br> <!--''Co-team leader''-->||+33(0)3 88 10 6330 ||gerald.ferblantier<br />
|-<br />
|[[FIX Thomas|FIX]]||Thomas||Researcher-HdR||+33(0)3 88 10 6334 ||thomas.fix<br />
|-<br />
|HEISER||Thomas ||Professor <br> ''Team leader''||+33(0)3 88 10 6233||thomas.heiser<br />
|-<br />
|KERN||Philippe ||Associate professor associated to MaCEPV team - Director of IUT Louis Pasteur || +33(0)3 88 10 6869 ||philippe.kern<br />
|-<br />
|[[LE NORMAND François|LE NORMAND]]||François||Emeritus research Director ||+33(0)3 88 10 6546 ||francois.le-normand<br />
|-<br />
|LÉVÊQUE||Patrick ||Associate professor - HdR||+33(0)3 88 10 6294 || patrick.leveque<br />
|-<br />
|[[LIN Yaochen|LIN]]||Yaochen ||Associate professor||03 88 10 || yaochen.lin<br />
|-<br />
|[[MARTIN Evelyne|MARTIN]]||Evelyne||Research director <br> ''Co-team leader''||03 88 10 || evelyne.martin<br />
|-<br />
|[[MULLER Dominique|MULLER]]||Dominique||Research engineer <br> ''Leader of platform C3-Fab''|| +33(0)3 88 10 6693|| d.muller<br />
|-<br />
|[http://icube-macepv.unistra.fr/fr/index.php/SLAOUI_Abdelilah SLAOUI]||Abdelilah||Research Director||+33(0)38810 6328 ||abdelilah.slaoui<br />
|-<br />
|SPEISSER||Claude ||Associate professor||+33(0)38810 6546 ||claude.speisser<br />
|-<br />
|[[Emilie STEVELER|STEVELER]]||Emilie||Associate professor at INSA <br>''MaCEPV website manager <br> In charge of MaCEPV scientific animation ''||+33(0)38810 6330|| emilie.steveler AT insa-strasbourg.fr<br />
|-<br />
|}<br />
|}<br />
<br />
==Personal associated with the C3-Fab platform==<br />
<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|SURNAME || First name || Role || Phone || Email<br />
|-<br />
|BARTRINGER||Jérémy||Study engineer <br>⚠️ ''ICube Laser Safety Referent'' 👓||+33(0)38810 6295 ||j.bartringer<br />
|-<br />
|FALL||Sadiara||Research engineer (permanent contract)||+33(0)38810 6872||sadiara.fall<br />
|-<br />
|LE GALL||Yann||Study engineer||+33(0)38810 6219||yann.le.gall<br />
|-<br />
|MUGLER||Florian||Assistant engineer||+33(0)38810 6230||mugler<br />
|-<br />
|[[MULLER Dominique|MULLER]]||[[MULLER Dominique|Dominique]]||Research engineer<br>''Technical Manager C3-Fab Platform '' <br> '' Competent person in radiation protection''||+33(0)38810 6693||d.muller<br />
|-<br />
|ROQUES||Stéphane||Study engineer<br>''ICube Prevention and Safety Correspondent''||+33(0)38810 6884 ||stephane.roques<br />
|-<br />
|SCHMITT||Sébastien||Assistant engineer<br>''Correspondent Buildings ICube Cronenbourg '' <br> '' IT Manager Cronenbourg''||+33(0)38810 6545 ||schmitts<br />
|-<br />
|ZIMMERMANN||Nicolas||Technician<br>''Advisor for the Transport of Dangerous Goods''||+33(0)38810 6265 ||n.zimmermann1<br />
|-<br />
|}<br />
|}<br />
<br />
== Non-permanent staff ==<br />
{| style="color: black;" width="80%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
<!--<br />
{|style="color: #4392D8;" width="100%"<br />
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'''<big>Research support'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Phone || Email (AT unistra.fr)<br />
|-<br />
|RAOUL||Charlotte|| || charlotte.raoul<br />
|-<br />
|UNTEREINER||Delphine||03 88 10 65 38 ||delphine.untereiner<br />
|-<br />
|}<br />
--><br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Post-doctoral fellows'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''PhD students'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
|-<br />
|ALMALKI||Majed|| majed.almalki<br />
|-<br />
|DIARRA||Cheick|| cheick.diarra <br />
|-<br />
|KHOUSSA||Khoukha || khoukha.khoussa<br />
|-<br />
|LAMBRECHT||Achille || achille.lambrecht<br />
|-<br />
|VENUGOPALAN KARTHA || Chithira ||venugopalan AT unistra.fr<br />
|-<br />
|VOLLONDAT ||Romain|| romain.vollondat<br />
|-<br />
|ZAKARIA||Yahya|| <br />
|-<br />
|ZHONG||Yuhan|| yuhan.zhong<br />
|-<br />
|}<br />
<br />
{|style="color: #4392D8;" width="100%"<br />
| style="width: 10%; |<br />
''<big>'''Trainees'''</big>''<br />
|}<br />
{|class="wikitable"<br />
!| Name || First name || Email (AT unistra.fr)<br />
<br />
|-<br />
|}<br />
|}<br />
<br />
==Former members (in alphabetical order)==<br />
{| style="color: black;" width="100%"<br />
|-<br />
| style="width: 50%; background-color: white;"|<br />
<br />
{|class="wikitable"<br />
!|Name || First name || Subsequent position <br />
|-<br />
|ABDESSELAM||Mehana|| Associate professor University of Sciences, Alger (USTBH) <br />
|-<br />
|AHMED ||Abdelrahman ||<br />
|-<br />
|AWEKE||Fitsum|| Teacher<br />
|-<br />
| BARAL ||Jayanta ||Teacher, India <br />
|-<br />
|BATTAS || Manale|| PhD student University Mohammed V (Rabat, Morocco)<br />
|-<br />
| BECHARA ||Rony ||Team leader at ROLIC Technologies <br />
|-<br />
|BELLANGER||Pierre || Contractual at INES-CEA<br />
|-<br />
|BERTRAND || Maud || Master student<br />
|-<br />
|BOUBICHE||Nacer|| <br />
|-<br />
| BOURAS ||Karima ||Postdoctoral position at IPVF <br />
|-<br />
|BRACH || Jean-Philippe|| PhD student at Institut ISL<br />
|-<br />
|BROUCKAERT||Nicolas|| PhD student in UK<br />
|-<br />
|CHAFAI||Salma|| <br />
|-<br />
|CHELOUCHE||Abdellatif||Bank employee<br />
|-<br />
|CIBAKA NDAYA||Cynthia|| <br />
|-<br />
| DELACHAT ||Florian ||Contractual at CEA Leti/Univ. Montréal <br />
|-<br />
| DERBOUZ DRAOUA ||Karim ||Engineer XFAB-France<br />
|-<br />
|DEVITA||Marie ||Engineer at ST Microelectronics <br />
|-<br />
|DIEBOLD|| Laura|| PhD student at C2N (Palaiseau, France)<br />
|-<br />
|DUTARTE ||Maria ||European project manager <br />
|-<br />
|DJOMENI WELEGUELA || Monica Larissa ||Microelectronics engineer <br />
|-<br />
|ECKERT||Caroline|| <br />
|-<br />
|EHRHARDT||Fabien || Teacher <br />
|-<br />
|ENNOUHI ||Naoufal|| PhD student MAsCIR<br />
|-<br />
|FRÉGNAUX ||Mathieu ||Research engineer at CNRS ILV<br />
|-<br />
|FROGER ||Vincent ||Associate professor ESAIP<br />
|-<br />
|GAVRILUTA||Anatolie ||Bank employee<br />
|-<br />
|GRENOUILLOUX||Thomas|| Engineer at SOFRADIR<br />
|-<br />
|GUTIERREZ ||Gaëlle ||Employee at CEA Saclay (platform JANUS) <br />
|-<br />
|HAN||Tianyan||<br />
|-<br />
|HASSANI || Yassine Azami|| <br />
|-<br />
|HULIK||Jakub||<br />
|-<br />
|IBRAIKULOV||Olzhas|| Post-doc position at CEA<br />
|-<br />
|IZACARD||Bastien|| <br />
|-<br />
|JABLONSKI||Arnaud|| PhD student at IPCMS<br />
|-<br />
|JING||Jiang|| Post-doc position in Canada<br />
|-<br />
|KHELIFI ||Rim || Teacher<br />
|-<br />
|KOMISSAROV|| Ivann||Leading Researcher, BSUIR<br />
|-<br />
|LABIOD||Amina||<br />
|-<br />
|LAMBRECHT ||Achille|| Master student at Lille University<br />
|-<br />
|LAURENT ||Julien ||Employee at VESUVIUS <br />
|-<br />
|LE GOFF||Florian||Engineer at CHRONOCAM<br />
|-<br />
|LIENERTH ||Peter ||Engineer HORIBA <br />
|-<br />
|MAKHLADI||Saad|| Student<br />
|-<br />
|MATHIOT||Daniel ||Professor retired<br />
|-<br />
|MINJ ||Albert ||Postdoctoral position at University of Caen <br />
|-<br />
|NDOYE||Khalifa Ababacar|| <br />
|-<br />
|NIZET ||Paul|| <br />
|-<br />
|PIRZADO ||Azhar Ali Ayaz ||Associate professor at University of Sindh, Pakistan <br />
|-<br />
|QUATTROPANI||Alessandro||IT Consultant / PMO at TeemZ<br />
|-<br />
|RABA ||Adam ||Junior consultant engineer Altran <br />
|-<br />
|RAISSI||Slimane|| <br />
|-<br />
|RAMIREZ CIRDENAS||Luis Eduardo|| PhD student<br />
|-<br />
|REGRETTIER||Thomas|| Engineer R&D (permanent position)<br />
|-<br />
|SALINESI||Yves|| <br />
|-<br />
|SCHITTER||Yann|| Technological university bachelor <br />
|-<br />
|SCHNEIDER||Marie-Laure || Research support at IPHC<br />
|-<br />
|SCHUTZ-KUCHLY ||Thomas ||Process engineer at ALTIS Semiconducteurs <br />
|-<br />
|SETTOUTI ||Hamza||Engineer SAGE SERVICES ENERGIE<br />
|-<br />
|TIRMAN ||Cyrielle || National Contact Point at University of Lille <br />
|-<br />
|WANG||Jing|| Post-doc in a start up (MaCEPV)<br />
|-<br />
|WOZNIAK||Peter||<br />
|-<br />
|ZABIEROWSKI||Piotr|| <br />
|-<br />
|}<br />
|}</div>
Steveler