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Charles Cornet

Prof. Dr., Head of FOTON-OHM (Optoelectronics, Heteroepitaxy and Materials) research team
21
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

rozenn-piron

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

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

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

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

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
Image document

Analysis of carriers dynamics and laser emission in 1.55 μm InAs/InP(113)B quantum dot lasers

Jacky Even , Frederic Grillot , Kiril Veselinov , Rozenn Piron , Charles Cornet
SPIE Photonics Europe 2010, Apr 2010, Bruxelles, Belgium. pp.77202F, ⟨10.1117/12.863580⟩
Communication dans un congrès hal-00492346v1

A theoretical and experimental study of lambda>2 µm luminescence of quantum dots on InP substrate

François Doré , Jacky Even , Charles Cornet , Andrei Schliwa , Nicolas Bertru
28th International Conference on the Physics of Semiconductors - ICPS 2006, Jul 2006, Vienne, Austria. pp.889, ⟨10.1063/1.2730177⟩
Communication dans un congrès hal-00491466v1

InAs(Sb)/InP(100) quantum dots for mid-infrared emitters: observation of 2.35 μm photoluminescence

François Doré , Charles Cornet , Philippe Caroff , A. Ballestar , Jacky Even
4th International Conference on Semiconductor Quantum Dots (QD 2006), May 2006, Chamonix, France. pp.3920, ⟨10.1002/pssc.200671622⟩
Communication dans un congrès hal-00491729v1

InAsSb/InP quantum dots for midwave infrared emitters : a theoretical study

Jacky Even , Charles Cornet , François Doré , Andrei Schliwa , A. Ballestar
Mid Infrared Optoelectronics : Materials and Devices : MIOMD conference, 2005, Lancaster, United Kingdom. pp.1
Communication dans un congrès hal-00504452v1

InAsSb/InGaAs quantum nanostructures on InP (100)substrate: observation of 2.35 μm photoluminescence

François Doré , Charles Cornet , Andrei Schliwa , A. Ballestar , Jacky Even
32nd International Symposium on Compound Semiconductors, Sep 2005, Rust, Germany. pp.524, ⟨10.1002/pssc.200564132⟩
Communication dans un congrès hal-00491737v1

First observation of wavelength greater than 2 microns photoluminescence of quantum dots on InP (100) substrate

François Doré , Charles Cornet , Philippe Caroff , A. Ballestar , Jacky Even
"Mid Infrared Optoelectronics : Materials and Devices" conference, Lancaster, UK, September (2005)., Sep 2005, Lancaster, United Kingdom. pp.1
Communication dans un congrès hal-00504462v1

Structures à îlots quantiques sur substrat InP(100)pour l'émission dans le moyen infrarouge (2−5 µm)

François Doré , A. Ballestar , Charles Cornet , Nicolas Bertru , Ibrahim Alghoraibi
9th Colloquium on Lasers and Quantum Optics (COLOQ 9), Sep 2005, Dijon, France. pp.283, ⟨10.1051/jp4:2006135090⟩
Communication dans un congrès hal-00491724v1

First observation of 2.4 microns photoluminescence of InAsSb/InP quantum dots on (100) InP substrate

François Doré , Charles Cornet , A. Ballestar , Jacky Even , Olivier Dehaese
Narrow Gap Semiconductors conference, Jul 2005, Toulouse, France. pp.1
Communication dans un congrès hal-00504441v1

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

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
Image document

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

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

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