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Charles Cornet

Prof. Dr., Head of FOTON-OHM (Optoelectronics, Heteroepitaxy and Materials) research team
41
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

christophe-levallois
"jacky-even"
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Epitaxial III–V/Si Vertical Heterostructures with Hybrid 2D‐Semimetal/Semiconductor Ambipolar and Photoactive Properties

Lipin Chen , Yoan Léger , Gabriel Loget , Mekan Piriyev , Imen Jadli
Advanced Science, 2022, 9 (2), pp.2101661. ⟨10.1002/advs.202101661⟩
Article dans une revue hal-03426793v1
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Strong Electron–Phonon Interaction in 2D Vertical Homovalent III–V Singularities

Lipin Chen , Oliver Skibitzki , Laurent Pedesseau , Antoine Létoublon , Julie Stervinou
ACS Nano, 2020, 14 (10), pp.13127-13136. ⟨10.1021/acsnano.0c04702⟩
Article dans une revue hal-03032030v1
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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

Structural and optical properties of AlGaP confinement layers and InGaAs quantum dot light emitters onto GaP substrate: Towards photonics on silicon applications

Cédric Robert Robert , Thanh Tra Nguyen , Antoine Létoublon , Mathieu Perrin , C. Cornet
Thin Solid Films, 2013, 541, pp.87-91
Article dans une revue hal-02050606v1
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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

Evaluation of InGaPN and GaAsPN materials lattice-matched to Si for multi-junction solar cells

Samy Almosni , Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet , Antoine Létoublon
Journal of Applied Physics, 2013, 113 (12), pp.123509. ⟨10.1063/1.4798363⟩
Article dans une revue hal-00918663v1

Time-resolved pump probe of 1.55 µm InAs/InP quantum dots under high resonant excitation

Charles Cornet , Christophe Labbé , Hervé Folliot , Philippe Caroff , Christophe Levallois
Applied Physics Letters, 2006, 88, pp.171502. ⟨10.1063/1.2199454⟩
Article dans une revue hal-00491485v1

Increase of charge-carrier redistribution efficiency in a laterally organized superlattice of coupled quantum dots

Charles Cornet , Manus Hayne , Philippe Caroff , Christophe Levallois , Laurent Joulaud
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2006, 74, pp.245315. ⟨10.1103/PhysRevB.74.245315⟩
Article dans une revue hal-00491475v1

Impact of the capping layers on lateral confinement in InAs/InP quantum dots for 1.55 µm laser applications studied by magnetophotoluminescence

Charles Cornet , Christophe Levallois , Philippe Caroff , Hervé Folliot , Christophe Labbé
Applied Physics Letters, 2005, 87, pp.233111. ⟨10.1063/1.2132527⟩
Article dans une revue hal-00504390v1

III-V/Si antiphase boundaries used as 2D-semimetallic topological vertical inclusions for solar hydrogen production

Lipin Chen , Yoan Léger , Gabriel Loget , Mekan Piriyev , Imen Jadli
21st International Conference on Molecular Beam Epitaxy (IC-MBE 2021), Sep 2021, Mexico (virtual), Mexico
Communication dans un congrès hal-03392254v1

Hybrid ambipolar 2D semimetal/semiconductor III-V/Si heterostructures: Promises for photonics, energy harvesting and electronics

Charles Cornet , Lipin Chen , Mekan Piriyev , Jean-Baptiste Rodriguez , Gabriel Loget
Webinar on Materials science, engineering and technology - VEBLEO, VEBLEO international organization, Dec 2021, virtual, India
Communication dans un congrès hal-03588366v1

Robust 2D semimetallic inclusions boost performances of III-V/Si heterostructures for water-splitting

Lipin Chen , Yoan Léger , Gabriel Loget , Mekan Piriyev , Imen Jadli
17è Journées de la Matière Condensée (JMC 17), Aug 2021, Rennes (virtual), France
Communication dans un congrès hal-03402743v1

III-V/Si photoelectrodes with ambipolar properties

Lipin Chen , Yoan Léger , Gabriel Loget , Mekan Piriyev , Imen Jadli
5èmes Journées des Carburants Solaires, Sep 2021, Saint Jacut de la Mer, France
Communication dans un congrès hal-03408282v1

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

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

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

Electroluminescence of InGaAs/GaP quantum dots and band engineering of AlGaP/GaP laser injection layers

Ronan Tremblay , Yong Huang , Jean-Philippe Gauthier , Rozenn Piron , Alexandre Beck
Compound Semiconductor Week 2015 (CSW 2015), Jun 2015, Santa-Barbara, United States
Communication dans un congrès hal-01147506v1

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

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

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

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

InGaPN and GaAsPN layers for tandem solar cells on silicon

Samy Almosni , Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet , Antoine Létoublon
European materials research society international conference (EMRS), 2012, Strasbourg, France
Communication dans un congrès hal-00726850v1

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

Evaluation of InGaP(N) and GaAsP(N) materials lattice-matched to Si for multi-junction solar cells

Samy Almosni , Cédric Robert Robert , Thomas Quinci , Thanh Tra Nguyen , Charles Cornet
international conference on MBE, 2012, Japan
Communication dans un congrès hal-00726772v1

Evaluation of InGaPN and GaAsPN materials lattice-matched to Si for multi-junction solar cells

Samy Almosni , Pierre Râle , Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet
Journées nationales du photovoltaïque (JNPV 2012), 2012, Chantilly, France
Communication dans un congrès hal-00788478v1

Potentiality of GaAsPN and InGaPN for photovoltaic applications

Samy Almosni , Cédric Robert Robert , Charles Cornet , Christophe Levallois , Thomas Quinci
3rd PhotoVoltaic Technical Conference (PVTC 2012), Jun 2012, Aix-en-Provence, France
Communication dans un congrès hal-00726855v1

Dilute nitride GaNAsP for photonic applications on silicon

Cédric Robert Robert , Thanh Tra Nguyen , Samy Almosni , Thomas Quinci , Mathieu Perrin
International Symposium on nitrides (ISNT), 2012, saint-Malo, France
Communication dans un congrès hal-00726885v1

Exciton and biexciton lifetimes in InAs/InP quantum dots emitting at 1.55 µm wavelength under high resonant excitation

Christophe Labbé , Charles Cornet , Hervé Folliot , Philippe Caroff , Christophe Levallois
ICSSN (International Conference on SuperLattices, Nano-structures and Nano-Devices), Jul 2006, Istanbul, Turkey. pp.454, ⟨10.1002/pssc.200673214⟩
Communication dans un congrès hal-00491873v1

Optical characterisation of InAs/InP self-assembled quantum dots for optimisation of lasing properties

Charles Cornet , Christophe Levallois , Philippe Caroff , Laurent Joulaud , Hervé Folliot
Sandie Optics Task Force meeting, Technische Universitat Berlin, January 12-13 (2006), Jan 2006, Berlin, Germany. pp.1
Communication dans un congrès hal-00504470v1

Carrier relaxation dynamics of 1.55 µm InAs/InP quantum dots under high resonant excitation

Christophe Labbé , Charles Cornet , Hervé Folliot , Jacky Even , Philippe Caroff
28th International Conference on the Physics of Semiconductors - ICPS 2006, Jul 2006, Vienne, Austria. pp.991, ⟨10.1063/1.2730228⟩
Communication dans un congrès hal-00491468v1

Dynamics spectroscopy in 1.55 µm InAs/InP quantum dots under high resonant excitation

Christophe Labbé , Charles Cornet , Hervé Folliot , Philippe Caroff , Christophe Levallois
IWSQDA (International Workshop on Semiconductor quantum dot based devices and applications), Mar 2006, Paris, France. pp.1
Communication dans un congrès hal-00491870v1

Réalisation d'un laser à faible courant de seuil, avec des boites quantiques InAs/InP organisées et couplées latéralement

Charles Cornet , Manus Hayne , Christophe Levallois , Philippe Caroff , Estelle Homeyer
9th Colloquium on Lasers and Quantum Optics (COLOQ 9), Sep 2005, Dijon, France. pp.141, ⟨10.1051/jp4:2006135031⟩
Communication dans un congrès hal-00491480v1
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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

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

Electroluminescence de boites quantiques InGaAs/GaP et ingénérie de bande des couches d’injection laser AlGaP/GaP

Ronan Tremblay , Yong Huang , Jean-Philippe Gauthier , Rozenn Piron , Alexandre Beck
Optique Bretagne 2015 - 35ème Journées Nationales d'Optique Guidée (JNOG'35), Jul 2015, Rennes, France
Poster de conférence hal-01497243v1

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

Electrical injection in GaP-based laser waveguides and active areas

Jean-Philippe Gauthier , Cédric Robert Robert , Samy Almosni , Charles Cornet , Yoan Léger
26th International Conference on Indium Phosphide and Related Materials (IPRM 2014), May 2014, Montpellier, France. IEEE, 26th International Conference on Indium Phosphide and Related Materials (IPRM 2014), pp.P23, 2014, ⟨10.1109/ICIPRM.2014.6880545⟩
Poster de conférence hal-01114889v1