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Charles Cornet

Prof. Dr., Head of FOTON-OHM (Optoelectronics, Heteroepitaxy and Materials) research team
34
Documents
Identifiants chercheurs

Présentation

### **Research projects** \*2023-2027: PEPR Hydrogène décarboné - France 2030: “Robust, cost efficient aNd AUTonomous PhotoelectrochemIcaL cells with III-V thin films on Si for practical hydrogen prodUction. (NAUTILUS)”: coordinator. \*2022-2026: PEPR Electronique - France 2030: “Optical Frequency Combs On a Chip (OFCOC)”: contributor, growth. \*2021-2025: EU COST action: “European Network for Innovative and Advanced Epitaxy (OPERA)”: secondary proposer, Management committee member. \*2021-2025: ANR PRC project “collaborative”: “PhysIcAl properties of hybrid semimetal/semicoNductor III-V/Si maTerials (PIANIST)”: coordinator, growth, simulation, optoelectronic properties. \*2021-2025: ANR PRC project “collaborative”: “Nucleation and growth of III-V on Si explored in situ (NUAGES)”: local coordinator, growth, simulation. \*2021-2025: PIA project Equipex NanoFutur: FOTON local scientific coordinator. \*2021-2024: ANR PRC project “collaborative”: “Light COnveRsioN by photoinduced‐electrochemiluminescence (LICORN)”: contributor, growth. \*2020-2023: ANR PRCE project “collaborative with a company”: “High-Efficiency Epitaxial CIGS-Silicon Tandem Solar Cell (EPCIS)”: contributor, growth. \*2019-2022: ANR PRC project “collaborative”: “Improvement of photovoltaic Conversion Efficiency by acting on thermalization MecANisms (ICEMAN)”: contributor, growth. \*2018-2021: ANR young researcher grant (projet jeune chercheur ANR): “secOnd oRder oPtical pHenomEna in galliUm phosphide microdisks on Silicon (ORPHEUS)”: contributor, growth and simulation. \*2015-2018: ANR PRC project “collaborative”: “Advanced aNalysis of III-V/Si nucleaTIon for highly integrated PhOtonic Devices (ANTIPODE)”: coordinator, growth and simulation. \*2014-2017: Labex Cominlabs project: “3D optical manycores”: contributor. \*2012-2015: ANR “blanc” project: “Epitaxial integration of III-V optoelectronic devices on silicon (OPTOSI)”: project co-writer, contributor. \*2012-2014: ANR young researcher grant (projet jeune chercheur ANR): “Silicon photonics with diluted nitride coherent integration (SINPHONIC)”: project main writer, coordinator, WP leader, contributor. \*2011-2014: National (3) and international (1) beam time allocation at European Synchrotron Radiation Facility (ESRF) on CRG lines D2AM and BM-32. \*2011-2014: ANR PROGELEC project: “Monolithic integration of high efficiency III-V solar cells on silicon (MENHIRS)”: project co-writer, contributor and member of the administrative and financial staff. \*2011-2012: C’nano NANOTRANS project (C’nano Nord-ouest): “dilute nitride quantum dots: relationship between morphology, electronic structure and optical properties”: project co-writer, joint coordinator, contributor. \*2004-2009: FP6 European network of excellence on Self-Assembled semiconductor Nanostructures for new Devices in photonics and Electronics (SANDiE): contributor. \*2004-2008: FP6 European Network of Excellence on Photonic Integrated Components and Circuits (EPIXNET): contributor. ### **Awards** \*Vebleo Fellow (2021). \* Innovation award of the “pôle de compétitivité Images et Réseaux”, for the SINPHONIC ANR project (2013). \* Young researcher award of “Région Bretagne” (2007) \* Best Ph. D. prize of the SANDiE European network of excellence (2006) ### **Short CV** - 2020-present: INSA, Rennes, France Position : Professor at INSA Rennes, Institut FOTON (CNRS), head of the “[Optoelectronics, Heteroepitaxy and Materials (OHM) research group](http://foton.cnrs.fr/v2016/spip.php?rubrique33)”. Personal Research field: Growth, structural, electronic and optical properties of III-V/Si-based light emitters/absorbers on silicon for photonics and energy materials applications. Solar hydrogen production with photo-electrochemical cells. - 2007-2020: INSA, Rennes, France Position : “Maître de Conférences” (Ass. Prof., HDR), at FOTON CNRS Laboratory. Co-head of the “photonics on silicon” research program. Since 2017, head of the “[Optoelectronics, Heteroepitaxy and Materials (OHM) research group](http://foton.cnrs.fr/v2016/spip.php?rubrique33)”. Personal Research field: Growth, structural, electronic and optical properties of GaP-based light emitters/absorbers on silicon for photonics and energy materials applications. - 2006–2007: INSA Rennes, France Position: Post-doctoral fellow with teaching activities at FOTON CNRS Laboratory. Research topic: Growth and characterization of InAs/GaP quantum dots. - 2003–2006: INSA, Rennes (France), TU Berlin (Germany) and KU Leuven (Belgium) Position: Physics PhD Thesis on “electronic, optical and dynamic properties of self-organized and coupled quantum dots on InP substrate” at INSA-Rennes (France) in collaboration with TU Berlin, KU Leuven and TU Eindhoven within European network of excellence SANDIE.PhD Thesis supervised by Pr. J. Even. Research topic: Electronic, optical and dynamic properties of self-organized and coupled quantum dots on InP substrate. - 2003: “Diplôme d’Etudes Approfondies” (DEA = MSc2 degree) of Physics: light and matter interaction, at University of Rennes 1,France. Highest distinction, ranked first. Position: Master 2 training period at LENS laboratory (“Laboratoire d’Etude des Nanostructures à Semiconducteurs”). Research topic: Absorption measurements and simulations of InAs/InP (113)B quantum dots. - 2001-2002: “Agrégation de Physique” passed at Ecole Normale Supérieure (ENS – Paris, France). - 2001: Center for Quantum Electronics, Hanoi (Vietnam) Position: Master 1 training period at CQE laboratory. Research topic: Time-resolved spectroscopy of tunable dye lasers - …-2000: Paris-Sud University, Orsay (France) “Licence”, “Maîtrise” and “Magistère” (BSc and MSc1 degrees) of fundamental physics at Paris-Sud University (Université Paris XI – Orsay, France) Position: BSc training period at “Laboratory of the linear accelerator” (particle physics). Research topic: Analysis of DIRC performances in the frame of the Babar experiment ### **Teaching Activities** \* Energetics and environment: from nuclear to renewable energies. \* Applied quantum mechanics (quantum mechanic for beginners). \* Thermodynamics.

Compétences

-Materials for Photonics and Energy / Photovoltaics and Solar Hydrogen -III-V semiconductors and Silicon -Physics of semiconductors: modeling of nanostructures, bandstructures, bandlineups -Optical and structural properties of semiconductors compounds and devices -Epitaxy and Ultra-High Vacuum crystal growth techniques -Atomic Force Microscopy (AFM) and related near-field techniques -Surface and volume diffraction (RHEED, XRD)

Publications

laurent-lombez

Correlations between electrical and optical properties in lattice-matched GaAsPN/GaP solar cells

Samy Almosni , P. Rale , C. Cornet , Mathieu Perrin , L. Lombez
Solar Energy Materials and Solar Cells, 2016, 147, pp.53-60. ⟨10.1016/j.solmat.2015.11.036⟩
Article dans une revue hal-01272057v1
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Optical absorption and thermal conductivity of GaAsPN absorbers grown on GaP in view of their use in multijunction solar cells

S. Ilahi , Samy Almosni , Fares Chouchane , Mathieu Perrin , K. Zelazna
Solar Energy Materials and Solar Cells, 2015, 141, pp.291-298. ⟨10.1016/j.solmat.2015.06.003⟩
Article dans une revue hal-01166475v1
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Multijunction photovoltaics: integrating III–V semiconductor heterostructures on silicon

Olivier Durand , Samy Almosni , Charles Cornet , Antoine Létoublon , Christophe Levallois
SPIE Newsroom, 2015, Solar & Alternative Energy, pp.x113168. ⟨10.1117/2.1201503.005793⟩
Article dans une revue hal-01166437v1
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Monolithic Integration of Diluted-Nitride III–V-N Compounds on Silicon Substrates: Toward the III–V/Si Concentrated Photovoltaics

Olivier Durand , Samy Almosni , Yanping Wang , C. Cornet , A. Létoublon
Energy Harvesting and Systems, 2014, 1 (3-4), pp.147-156. ⟨10.1515/ehs-2014-0008⟩
Article dans une revue hal-01166477v1
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Structural and optical properties of (In,Ga)As/GaP quantum dots and (GaAsPN/GaPN) diluted-nitride nanolayers coherently grown onto GaP and Si substrates for photonics and photovoltaics applications

Olivier Durand , Cédric Robert Robert , Thanh Tra Nguyen , Samy Almosni , Thomas Quinci
Proceedings of SPIE, the International Society for Optical Engineering, 2013, Quantum sensing and nanophotonic devices X, 8631, pp.863126. ⟨10.1117/12.2012670⟩
Article dans une revue hal-00842763v1

Advanced concepts of photovoltaics based on III-V compounds

Olivier Durand , Mickael da Silva , Yanping Wang , Charles Cornet , Antoine Létoublon
16th International Conference of Physical Chemistry (ROMPHYSCHEM-16), Sep 2016, Galaţi, Romania
Communication dans un congrès hal-01496667v1

First stage results on III-V/Si tandem cells using GaAsPN dilute-nitride

Mickael da Silva , Charles Cornet , Antoine Létoublon , Christophe Levallois , Alain Rolland
European Materials Research Society - Spring Meeting 2016 (E-MRS 2016 Spring Meeting), May 2016, Lille, France
Communication dans un congrès hal-01496924v1
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GaAsPN-based PIN solar cells MBE-grown on GaP substrates: toward the III-V/Si tandem solar cell

Mickael da Silva , Samy Almosni , C. Cornet , Antoine Létoublon , Christophe Levallois
SPIE Photonics West - OPTO 2015, Feb 2015, San Francisco, United States. pp.93580H, ⟨10.1117/12.2081376⟩
Communication dans un congrès hal-01166431v1

Numerical and experimental ongoing on III-V/Si high-efficiency tandem solar cell

Mickael da Silva , Shijian Wang , Samy Almosni , Charles Cornet , Antoine Létoublon
European Congress and Exhibition on Advanced Materials and Processes (EUROMAT 2015), Sep 2015, Warsaw, Poland
Communication dans un congrès hal-01203374v1

Towards the III-V/Si CPV on Si substrates

Olivier Durand , Samy Almosni , Mickael da Silva , Pierre Rale , Alain Le Corre
European Materials Research Society - Spring Meeting 2015 (E-MRS 2015 Spring Meeting), May 2015, Lille, France
Communication dans un congrès hal-01403375v1

Toward the III-V/Si high efficiency tandem solar cell

Olivier Durand , Samy Almosni , Mickael da Silva , Charles Cornet , Antoine Létoublon
7th International Workshop on "Advanced optical and X-ray characterization techniques of multifunctional materials for information and communication technologies, health and renewable energy applications", Sep 2015, Bucarest, Romania
Communication dans un congrès hal-01497190v1

Monolithic integration of GaAsPN dilute-nitride compounds on silicon substrates: toward the III-V/Si tandem solar cell

Olivier Durand , Samy Almosni , Yanping Wang , Charles Cornet , Antoine Létoublon
SPIE Photonics West - OPTO 2015, Feb 2015, San Francisco, United States
Communication dans un congrès hal-01497194v1

(In)GaP integration on Si for photonics and energy

Charles Cornet , O. Skibitzki , M. Bahri , Yanping Wang , Pierre Guillemé
European Materials Research Society - Fall Meeting 2015 (E-MRS 2015 Fall Meeting), Sep 2015, Warsaw, Poland
Communication dans un congrès hal-01497184v1

Advanced concepts of III-V-based Solar Cells heterostructures: towards III-V/Si CPV on Si substrates and hot-carrier solar cells on InP substrates

Olivier Durand , Samy Almosni , Pierre Râle , J. Rodière , Yanping Wang
European Materials Research Society 2014 Sptring Meeting (E-MRS 2014), May 2014, Lille, France
Communication dans un congrès hal-01115019v1

Epitaxie cohérente de composés GaP et GaAsPN à azote dilué sur substrats de Si pour l’élaboration de cellules PV tandem III-V/Si

Olivier Durand , Samy Almosni , Yanping Wang , Charles Cornet , Antoine Létoublon
Matériaux 2014, Nov 2014, Montpellier, France
Communication dans un congrès hal-01115312v1

Thorough structural and optical analyses of GaP-based heterostructures monolithically grown on silicon substrates for photonics on Si applications: toward the laser on silicon and high efficiency photovoltaics on silicon

Olivier Durand , Yanping Wang , Samy Almosni , Mounib Bahri , Julien Stodolna
6th International Workshop on "Advanced optical and X-ray characterization techniques of multifunctional materials for information and communication technologies, health and renewable energy applications", Sep 2014, Bucharest, Romania
Communication dans un congrès hal-01114912v1

Optimisation des propriétés structurale de l'interface GaP/Si et des propriétés électroniques de cellules solaires GaAsPN/GaP pour la fabrication de cellule tandem

Samy Almosni , Cédric Robert Robert , Charles Cornet , Thanh Tra Nguyen , Yanping Wang
Journées nationales du Photovoltaïque JNPV 2013, Dec 2013, Dourdan, France
Communication dans un congrès hal-00918758v1

UHVCVD-MBE growth for tandem solar cells

Samy Almosni , Charles Cornet , Thomas Quinci , Thanh Tra Nguyen , Jithesh Kuyyalil
4th PhotoVoltaic Technical Conference (PVTC 2013), May 2013, Aix-en-Provence, France
Communication dans un congrès hal-00918732v1

Toward a III-V/Si tandem solar cell : characterization and modeling

Pierre Râle , Samy Almosni , Charles Cornet , L. Lombez , Sana Laribi
European materials research Society meeting E-MRS 2013, May 2013, Strasbourg, France
Communication dans un congrès hal-00918728v1
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Design of a lattice-matched III-V-N/Si photovoltaic tandem cell monolithically integrated on silicon substrate

Alain Rolland , Laurent Pedesseau , Jacky Even , Samy Almosni , Cédric Robert Robert
13th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2013), Aug 2013, Vancouver, Canada. pp.1397-1403, ⟨10.1007/s11082-014-9909-z⟩
Communication dans un congrès hal-00951949v1

Investigation of GaAsPN Material towards III-V/Si Solar Cells”, session “New Materials and Concepts for Cells

Pierre Râle , Laurent Lombez , Samy Almosni , Charles Cornet , Olivier Durand
28th European Photovoltaic Solar Energy Conference (EU PVSEC 2013), Sep 2013, Paris, France
Communication dans un congrès hal-01166803v1

Monolithic integration of diluted-nitride III-V-N compounds on silicon substrates : toward the III-V/Si Concentrated Photovoltaics

Olivier Durand , Samy Almosni , Cédric Robert Robert , Thanh Tra Nguyen , Yanping Wang
International Symposium on Inorganic and Environmental Materials, Oct 2013, Rennes, France
Communication dans un congrès hal-00918754v1

UHVCVD-MBE growth cluster for III-N-V/Si solar cells

Samy Almosni , Charles Cornet , Thomas Quinci , Thanh Tra Nguyen , Jithesh Kuyyalil
Compound semiconductors week, ISCS, 2013, May 2013, Kobe, Japan
Communication dans un congrès hal-00918735v1

Monolithic growth of III-V-N diluted nitride devices on Si substrate for solar cells

Olivier Durand , Samy Almosni , Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet
Journées nationales du photovoltaïque JNPV2012, 2012, Chantilly, France
Communication dans un congrès hal-00788544v1

Toward a III-V/Si tandem solar cell: characterization and modeling

Pierre Râle , Eric Tea , Samy Almosni , Charles Cornet , Laurent Lombez
Journées nationales du photovoltaïque JNPV2012, 2012, Chantilly, France
Communication dans un congrès hal-00788485v1
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Towards III-V on silicon solar cells

Mickael da Silva , S. Boyer-Richard , C. Cornet , Antoine Létoublon , Christophe Levallois
7è Journées Nationales du PhotoVoltaïque (JNPV 2017), Dec 2017, Dourdan, France. 107, pp.191603 - 191603, 2015
Poster de conférence hal-01660154v1

GaAsPN Single and Tandem Solar Cells on Silicon

Mickael da Silva , Charles Cornet , Antoine Létoublon , Christophe Levallois , Alain Rolland
19th International Conference on Molecular-Beam Epitaxy (IC-MBE 2016), Sep 2016, Montpellier, France
Poster de conférence hal-01496922v1

RTA effects on optical absorption and thermal conductivity of GaAsPN grown on GaP for tandem solar cell applications

Soufiene Ilahi , Samy Almosni , Fares Chouchane , Mathieu Perrin , K. Zelazna
European Materials Research Society - Spring Meeting 2016 (E-MRS 2016 Spring Meeting), May 2016, Lille, France. 2016
Poster de conférence hal-01496900v1

GaAsPN Absorbers Grown on GaP for Multijunction Solar Cells: Optical Absorption and Thermal Conductivity Properties

Mickael da Silva , Soufiene Ilahi , Samy Almosni , Fares Chouchane , Mathieu Perrin
19th International Conference on Molecular-Beam Epitaxy (IC-MBE 2016), Sep 2016, Montpellier, France. 2016
Poster de conférence hal-01496917v1

Vers les cellules solaires à haut rendement à base de composés III-V sur substrats bas-couts de silicium

Mickael da Silva , Samy Almosni , Charles Cornet , Antoine Létoublon , Christophe Levallois
Optique Bretagne 2015 - Horizons de l'Optique, Jul 2015, Rennes, France
Poster de conférence hal-01497238v1

Lattice-matched GaAsPN/GaP single junction solar cell for high-efficiency tandem solar cells on silicon

Samy Almosni , Charles Cornet , Antoine Létoublon , Nicolas Bertru , Alain Le Corre
Euro-MBE 2015, Mar 2015, Canazei, Italy. 2015
Poster de conférence hal-01147439v1

Development of GaAsPN alloy for its integration in III-V/Si tandem solar cell

Samy Almosni , Cédric Robert Robert , Charles Cornet , Thanh Tra Nguyen , Yanping Wang
Workshop on above 25% efficiency solar cells via low cost approaches, Jul 2014, Palaiseau, France
Poster de conférence hal-01115014v1

Impact of annealing on the performances of GaAsPN-based solar cells

Samy Almosni , Pierre Râle , Charles Cornet , Christophe Levallois , Laurent Lombez
Compound Semiconductor Week 2014, May 2014, Montpellier, France. 2014
Poster de conférence hal-01115039v1

Annealing effect on electrical properties of GaAsPN solar cells

Samy Almosni , Pierre Râle , Charles Cornet , Christophe Levallois , Laurent Lombez
29th European PV Solar Energy Conference (EU PVSEC 2014), Sep 2014, Amsterdam, Netherlands. 2014
Poster de conférence hal-01115032v1