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Charles Cornet

Prof. Dr., Head of FOTON-OHM (Optoelectronics, Heteroepitaxy and Materials) research team
20
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

sylvain-tricot

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

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

Composition dependent nature of the fundamental optical transition in (In,Ga)As/GaP quantum dots

Cédric Robert Robert , Charles Cornet , Thanh Tra Nguyen , M. Nestoklon , Katiane Pereira da Silva
26th International Conference on Indium Phosphide and Related Materials (IPRM 2014), May 2014, Montpellier, France. pp.Th-B1-2, ⟨10.1109/ICIPRM.2014.6880555⟩
Communication dans un congrès hal-01114877v1

Boîtes quantiques semi-conductrices : relation entre morphologie, structure électronique et propriétés optiques

Charles Cornet , Pascal Turban , Cédric Robert Robert , Sylvain Tricot , Mathieu Perrin
Journées Nanosciences et Nanotechnologies du Nord Ouest 2013 (J2NO 2013), Nov 2013, Rennes, France
Communication dans un congrès hal-00918787v1

Nature of the optical transition in (In,Ga)As(N)/GaP quantum dots (QDs): effect of QD size, indium composition and nitrogen incorporation

Cédric Robert Robert , Charles Cornet , K. Pereira da Silva , Pascal Turban , S. Mauger
Compound semiconductors week, IPRM, 2013, May 2013, Kobe, Japan
Communication dans un congrès hal-00918734v1

Γ-X competition in (In,Ga)As/GaP quantum dots (QDs) : effect of QD size and Indium composition

Cédric Robert Robert , Charles Cornet , Pascal Turban , S. Mauger , Thanh Tra Nguyen
euro-MBE conference, Mar 2013, Levi, Finland
Communication dans un congrès hal-00918669v1

gamma-X competition for the optical transition of (In,Ga)As(N)/GaP quantum dots (QDs)

Cédric Robert Robert , Charles Cornet , Olivier Durand , K. Pereira da Silva , Pascal Turban
European Materials research society meeting EMRS 2013, May 2013, Strasbourg, France
Communication dans un congrès hal-00918730v1

(In,Ga)As/GaP quantum dots for monolithic integration on silicon

Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet , Pascal Turban , Mathieu Perrin
31st International Conference on the Physics of Semiconductors (ICPS 2012), Jul 2012, Zurich, Switzerland
Communication dans un congrès hal-00726878v1

Unusual C2 symmetry properties of (In,Ga)As/GaP quantum dots morphology

Charles Cornet , Pascal Turban , Cédric Robert Robert , Thanh Tra Nguyen , Sylvain Tricot
international conference on superlattice, nanostructures and nanodevices (ICSNN), 2012, Dresden, Germany
Communication dans un congrès hal-00726864v1
Image document

Theoretical and experimental study of (In,Ga)As/GaP quantum dots

Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet , Pascal Turban , Mathieu Perrin
International Conference on Superlattices, Nanostructures, and Nanodevices (ICSNN 2012), Jul 2012, Dresden, Germany. pp.643, ⟨10.1186/1556-276X-7-643⟩
Communication dans un congrès hal-00726861v1

Développement d'un laser sur silicium dans l'approche pseudomorphique

Cédric Robert Robert , Charles Cornet , Thanh Tra Nguyen , Mathieu Perrin , Antoine Létoublon
Journées nationales de l'optique guidée, 2012, Lyon, France
Communication dans un congrès hal-00788434v1

Optical and structural properties of (In,Ga)As/GaP quantum dots : C2 to C2v symmetry transition during the ripening process

Cédric Robert Robert , Charles Cornet , Pascal Turban , Thanh Tra Nguyen , Sylvain Tricot
international conference on MBE, 2012, Nara, Japan
Communication dans un congrès hal-00726776v1

Single InAs/InP quantum dashes and dots morphology on (001) and (113)B substrates

Thanh Tra Nguyen , Cédric Robert Robert , Charles Cornet , Pascal Turban , Sylvain Tricot
Journées Boîtes Quantiques 2011 (JBQ 2011), Jun 2011, Toulouse, France
Communication dans un congrès hal-00654323v1

Single InAs quantum dots morphology and local electronic properties on (113)B InP substrate

Charles Cornet , Pascal Turban , Nicolas Bertru , Sylvain Tricot , Olivier Dehaese
euro-MBE, Mar 2011, Alpe d'Huez, France
Communication dans un congrès hal-00654305v1

Using in-plane built-in electric fields and electrical shunts of antiphase boundaries for III-V/Si solar harvesting devices

Mekan Piriyev , Lipin Chen , Hanh Le Vi , Gabriel Loget , Sylvain Tricot
21st EuroMBE Workshop, Apr 2023, Madrid, Spain. 2023
Poster de conférence hal-04225037v1

Nature of the optical transition in (In,Ga)As(N)/GaP quantum dots (QDs): effect of QD size, indium composition and nitrogen incorporation

Cédric Robert Robert , Charles Cornet , K. Pereira da Silva , Pascal Turban , S. Mauger
25th International Conference on Indium Phosphide and Related Materials (IPRM2013), May 2013, Kobe, Japan. IEEE (ISSN: 1092-8669 ; e-ISBN: 978-1-4673-6131-6 ; Print ISBN: 978-1-4673-6130-9), IEEE Xplore Digital Library, pp.1-2, 2013, International Conference on Indium Phosphide and Related Materials (IPRM), 2013. ⟨10.1109/ICIPRM.2013.6562587⟩
Poster de conférence hal-00918662v1