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Charles Cornet

Prof. Dr., Head of FOTON-OHM (Optoelectronics, Heteroepitaxy and Materials) research team
47
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

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Photoelectrode/Electrolyte interfacial band lineup engineering with alloyed III-V thin films grown on Si substrate.

Mekan Piriyev , Gabriel Loget , Yoan Léger , Vi Hanh Le , Lipin Chen
Journal of Materials Chemistry C, 2024, 12 (3), pp.1091-1097. ⟨10.1039/d3tc02556j⟩
Article dans une revue hal-04383334v1
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Dual bandgap operation of a GaAs/Si photoelectrode

Mekan Piriyev , Gabriel Loget , Yoan Léger , Lipin Chen , Antoine Létoublon
Solar Energy Materials and Solar Cells, 2023, 251, pp.112138. ⟨10.1016/j.solmat.2022.112138⟩
Article dans une revue hal-03966710v1
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Assessment of GaPSb/Si tandem material association properties for photoelectrochemical cells

Lipin Chen , Mahdi Alqahtani , Christophe Levallois , Antoine Létoublon , Julie Stervinou
Solar Energy Materials and Solar Cells, 2021, 221, pp.110888. ⟨10.1016/j.solmat.2020.110888⟩
Article dans une revue hal-03031939v1
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Zinc-blende group III-V/group IV epitaxy: Importance of the miscut

Charles Cornet , Simon Charbonnier , Ida Lucci , Lipin Chen , Antoine Létoublon
Physical Review Materials, 2020, 4 (5), pp.053401. ⟨10.1103/PhysRevMaterials.4.053401⟩
Article dans une revue hal-02878985v1
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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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Loss assessment in random crystal polarity gallium phosphide microdisks grown on silicon

Rasool Saleem-Urothodi , Julie Le Pouliquen , Tony Rohel , Rozenn Bernard , Christelle Pareige
Optics Letters, 2020, 45 (16), pp.4646. ⟨10.1364/OL.399935⟩
Article dans une revue hal-02926153v1

A study of the strain distribution by scanning X-ray diffraction on GaP/Si for III–V monolithic integration on silicon

Ang Zhou , Yanping Wang , Charles Cornet , Yoan Léger , Laurent Pedesseau
Journal of Applied Crystallography, 2019, 52 (4), pp.809-815. ⟨10.1107/S1600576719008537⟩
Article dans une revue hal-02289442v1
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Photoelectrochemical water oxidation of GaP 1−x Sb x with a direct band gap of 1.65 eV for full spectrum solar energy harvesting

Mahdi Alqahtani , Sanjayan Sathasivam , Lipin Chen , Pamela Jurczak , Rozenn Piron
Sustainable Energy & Fuels, 2019, 3 (7), pp.1720-1729. ⟨10.1039/C9SE00113A⟩
Article dans une revue hal-02178176v1
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A Stress-Free and Textured GaP Template on Silicon for Solar Water Splitting

Ida Lucci , Simon Charbonnier , Maxime Vallet , Pascal Turban , Yoan Léger
Advanced Functional Materials, 2018, 28 (30), pp.1801585. ⟨10.1002/adfm.201801585⟩
Article dans une revue hal-01803990v1
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Second harmonic generation in gallium phosphide microdisks on silicon: from strict $\bar{4}$ to random quasi-phase matching

Pierre Guillemé , Yannick Dumeige , Julien Stodolna , Maxime Vallet , Tony Rohel
Semiconductor Science and Technology, 2017, 32 (6), pp.065004. ⟨10.1088/1361-6641/aa676d⟩
Article dans une revue hal-01529567v1

MBE growth and doping of AlGaP

Ronan Tremblay , Jean-Philippe Burin , Tony Rohel , Jean-Philippe Gauthier , Samy Almosni
Journal of Crystal Growth, 2017, 466, pp.6-15. ⟨10.1016/j.jcrysgro.2017.02.011⟩
Article dans une revue hal-01529569v1

Antiphase domain tailoring for combination of modal and 4¯ -quasi-phase matching in gallium phosphide microdisks

Pierre Guillemé , Maxime Vallet , Julien Stodolna , Anne Ponchet , Charles Cornet
Optics Express, 2016, 24 (13), pp.14608. ⟨10.1364/OE.24.014608⟩
Article dans une revue hal-01396654v1

MBE-grown GaAs on a low-cost Si substrate for solar hydrogen production

Hanh Le Vi , Mekan Piriyev , Gabriel Loget , Bruno Fabre , Tony Rohel
EMRS Fall Meeting 2022, European Materials Research Society, Sep 2022, Warsaw, Poland
Communication dans un congrès hal-03967984v1

Tunable bandgap III-V alloys on a low-cost Si substrate for solar-assisted water splitting

Mekan Piriyev , Hanh Vi Le , Yoan Léger , Gabriel Loget , Christophe Levallois
International Workshop on Emerging Solar Energy Materials and Applications (ESEMA 2022), May 2022, Porquerolles, France
Communication dans un congrès hal-03968129v1

Is a substrate miscut really required for high quality III-V/Si monolithic integration?

Charles Cornet , Simon Charbonnier , Ida Lucci , Lipin Chen , Antoine Létoublon
21st International Conference on Molecular Beam Epitaxy (ICMBE 2021), Sep 2021, Mexico (virtual), Mexico
Communication dans un congrès hal-03402689v1

High-Quality Factor Zinc-Blende III-V Microdisks on Silicon for Nonlinear Photonics

Rasool S Urothodi , Julie Le Pouliquen , Tony Rohel , Rozenn Bernard , Christelle Velly-Pareige
Compound Semiconductor Week 2021 (CSW 2021), May 2021, Stockholm, France
Communication dans un congrès hal-03285528v1

Optical losses in GaP microdisks on Si with controlled random polarity

Rasool Saleem-Urothodi , Julie Le Pouliquen , Tony Rohel , Rozenn Bernard , Christelle Velly-Pareige
17è Journées de la Matière Condensée (JMC 17), Aug 2021, Rennes (virtual), France
Communication dans un congrès hal-03402730v1

GaPSb/Si tandem material with APBs for efficient overall water splitting

Lipin Chen , Mahdi Alqahtani , Christophe Levallois , Antoine Létoublon , Julie Le Pouliquen
Journées Nanomatériaux de Rennes, Jan 2020, Rennes, France
Communication dans un congrès hal-03032905v1

Crystal-polarity engineered gallium phosphide microdisks grown on silicon

Rasool Saleem-Urothodi , Julie Le Pouliquen , Tony Rohel , Rozenn Bernard , Christelle Pareige
IOP conference- PHOTON2020, Sep 2020, virtual, United Kingdom
Communication dans un congrès hal-03032794v1

GaPSb/Si photoelectrode for Solar Fuel Production

Lipin Chen , Christophe Levallois , Antoine Létoublon , Julie Le Pouliquen , Rozenn Piron
European COST multsicaleSolar Final meeting, Apr 2019, Sofia, Bulgaria
Communication dans un congrès hal-03102622v1

Solar Water Splitting: surface energy engineering of GaP Template on Si

Laurent Pedesseau , Ida Lucci , Simon Charbonnier , Pascal Turban , Yoan Léger
European Materials Research Society - Spring Meeting 2019 (E-MRS 2019 Spring Meeting), Apr 2019, Phoenix, United States
Communication dans un congrès hal-02114792v1

Universal growth mechanism of III-V/Si: using antiphase boundaries for devices.

Charles Cornet , Ida Lucci , Lipin Chen , Laurent Pedesseau , Rozenn Bernard
Réunion plénière du GDR Pulse (PULSE 2019), Jul 2019, Clermont-Ferrand, France
Communication dans un congrès hal-02189095v1

III-V/Si photoelectrodes: a new route for solar hydrogen production

Charles Cornet , Lipin Chen , Mahdi Alqahtani , Christophe Levallois , Antoine Létoublon
11è Journées Scientifiques de Porquerolles (JSP2019), C'Nano-PACA, Sep 2019, Porquerolles, France
Communication dans un congrès hal-02305423v1

(114) GaP surface texturation on Si for water splitting

Ida Lucci , Simon Charbonnier , Maxime Vallet , Pascal Turban , Yoan Léger
EMRS Spring meeting 2018, Jun 2018, Strasbourg, France
Communication dans un congrès hal-01708047v1

GaP Template on Si for Solar Water Splitting: surface energy engineering

Laurent Pedesseau , Ida Lucci , Simon Charbonnier , Maxime Vallet , Pascal Turban
nanoGe Fall Meeting 2018 (NGFM18), Oct 2018, Torremolinos, Spain
Communication dans un congrès hal-01909068v1

Large scale textured GaP(114) growth on vicinal Si substrate by Molecular Beam Epitaxy for water splitting applications

Ida Lucci , Simon Charbonnier , Maxime Vallet , Pascal Turban , Yoan Léger
20th International Conference on Molecular-Beam Epitaxy (ICMBE 2018), Sep 2018, Shanghai, China. pp.Tu-P-43(S)
Communication dans un congrès hal-01910556v1

Nano Beam X-ray Scattering on GaP/Si for III-V Monolithic Integration on Silicon

Ang Zhou , Yanping Wang , Antoine Létoublon , Ida Lucci , Charles Cornet
European Materials Research Society - Spring Meeting 2018 (E-MRS 2018 Spring Meeting), Jun 2018, Strasbourg, France
Communication dans un congrès hal-02352639v1

Opportunities and Obstacles of Monolithic III-V Integration on Silicon

Yoan Léger , Ronan Tremblay , Antoine Létoublon , Charles Cornet
Design, Automation & Test in Europe conference (DATE 2017) - 3rd International Workshop on Optical/Photonic Interconnects for Computing Systems (OPTICS Workshop), Mar 2017, Lausanne, Switzerland
Communication dans un congrès hal-01549924v1

Tailoring second-order harmonic generation with crystal antiphase domains in GaP/Si

Pierre Guillemé , Charles Cornet , Maxime Vallet , Mounib Bahri , Ludovic Largeau
19th International Conference on Molecular-Beam Epitaxy (IC-MBE 2016), Sep 2016, Montpellier, France
Communication dans un congrès hal-01496763v1

Impact of crystal antiphase boundaries on second harmonic generation in GaP microdisks

Pierre Guillemé , Julie Le Pouliquen , Tony Rohel , Maxime Vallet , Julien Stodolna
European Materials Research Society - Spring Meeting 2016 (E-MRS 2016 Spring Meeting), May 2016, Lille, France
Communication dans un congrès hal-01497145v1

Investigation of the optical properties of GaP microdisks for optical functions integrated on silicon

Pierre Guillemé , Mounib Bahri , Julie Le Pouliquen , D. Gachet , Tony Rohel
Compound Semiconductor Week 2015 (CSW 2015), Jun 2015, Santa-Barbara, United States
Communication dans un congrès hal-01147496v1

Investigation des propriétés optiques des micro-disques de GaP pour l’intégration de fonctions optiques sur silicium

Pierre Guillemé , Julie Le Pouliquen , Tony Rohel , Philippe Rochard , Antoine Létoublon
Optique Bretagne 2015 - 35ème Journées Nationales d'Optique Guidée (JNOG'35), Jul 2015, Rennes, France. pp.133-135
Communication dans un congrès hal-01497234v1

(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

Intégration pseudomorphique dans la filière GaP/Si pour les applications lasers sur puce

Charles Cornet , Pierre Guillemé , Jean-Philippe Gauthier , Cédric Robert Robert , Julien Stodolna
journées thématiques du GDR Ondes GT2, Nov 2014, Orsay, France
Communication dans un congrès hal-01114901v1

MBE-grown GaAs(x)P(1-x)/Si photoelectrodes for solar hydrogen production

Mekan Piriyev , Lipin Chen , Yoan Léger , Christophe Levallois , Tony Rohel
21st International Conference on Molecular-Beam Epitaxy (ICMBE 2018), Sep 2021, Mexico (virtual), Mexico
Poster de conférence hal-03402702v1

Bandgap engineering of III-V semiconductors on silicon for solar hydrogen production

Mekan Piriyev , Lipin Chen , Yoan Léger , Tony Rohel , Antoine Létoublon
5èmes Journées des Carburants Solaires, Sep 2021, Saint Jacut de la Mer, France
Poster de conférence hal-03408286v1

Performances of III-P/Si based photoelectrodes for solar hydrogen production

Lipin Chen , Mekan Piriyev , Antoine Létoublon , Olivier Durand , Laurent Pedesseau
Journées Nationales du photovoltaïque 2020, Jan 2021, Dourdan, France. 2021
Poster de conférence hal-03032889v1

A Study on the Strain Distribution by Scanning X-ray diffraction on GaP/Si for III-V Monolithic Integration on Silicon for Nonlinear Optics

Ang Zhou , Yanping Wang , Charles Cornet , Yoan Léger , Laurent Pedesseau
Rayons X et Matière 2019, Nov 2019, Nancy, France
Poster de conférence hal-03108397v1

Electron-phonon interactions around antiphase boundaries in InGaP/SiGe/Si : structural and optical characterizations

Lipin Chen , Rozenn Piron , Oliver Skibitzki , Yoan Léger , Christophe Levallois
International Symposium : 20th Anniversary of LPQM, Apr 2019, Cachan, France
Poster de conférence hal-02882424v1

Excitons bounded around In-rich antiphase boundaries

Lipin Chen , Oliver Skibitzki , Yoan Léger , Christophe Levallois , Rozenn Piron
34th International Conference on the Physics of Semiconductors (ICPS 2018), Jul 2018, Montpellier, France. 2018
Poster de conférence hal-01864401v1

Antiphase boundaries in InGaP/SiGe/Si : structural and optical properties

Lipin Chen , Oliver Skibitzki , Rozenn Piron , Julie Stervinou , Antoine Létoublon
European Materials Research Society - Spring Meeting 2018 (E-MRS 2018 Spring Meeting), Jun 2018, Strasbourg, France. 2018
Poster de conférence hal-01864388v1
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Photoluminescence of 2D-vertical In-rich APBs embedded in InGaP/SiGe/Si

Lipin Chen , Oliver Skibitzki , Yoan Léger , Christophe Levallois , Rozenn Piron
20th International Conference on Molecular-Beam Epitaxy (ICMBE 2018), Sep 2018, Shanghai, China. 2018
Poster de conférence hal-01909074v2

AlGaP-growth and doping by MBE

Ronan Tremblay , Jean-Philippe Burin , Tony Rohel , Jean-Philippe Gauthier , Samy Almosni
19th International Conference on Molecular-Beam Epitaxy (IC-MBE 2016), Sep 2016, Montpellier, France
Poster de conférence hal-01497057v1
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X-ray Coherent Scattering on GaP/Si for III-V Monolithic Integration on Silicon

Yanping Wang , Antoine Létoublon , Ida Lucci , Charles Cornet , V. Favre-Nicolin
International Workshop on Phase Retrieval and Coherent Scattering (COHERENCE 2016), Jun 2016, Saint-Malo, France. 2016
Poster de conférence hal-01496666v1

Impact of Antiphase Boundaries on Non-linear Frequency Conversion in GaP/Si Microdisks

Pierre Guillemé , Charles Cornet , Antoine Létoublon , Julien Stodolna , Yannick Dumeige
Compound Semiconductor Week 2016 (CSW 2016), Jun 2016, Toyama, Japan
Poster de conférence hal-01496739v1

Carrier injection in GaP-based laser waveguides and dilute nitrides gain medium

Jean-Philippe Gauthier , Cédric Robert Robert , Samy Almosni , Charles Cornet , Yoan Léger
18th European Molecular Beam Epitaxy Workshop (Euro-MBE 2015), Mar 2015, Canazei, Italy. 2015
Poster de conférence hal-01147468v1

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