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Raphaël Lachaume

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A family portrait of disk inner rims around Herbig Ae/Be stars. Hunting for warps, rings, self shadowing, and misalignments in the inner astronomical units

J. Kluska , J.-P. Berger , Fabien Malbet , B. Lazareff , M. Benisty
Astronomy and Astrophysics - A&A, 2020, ⟨10.1051/0004-6361/201833774⟩
Journal articles hal-03020130v1
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Optoelectrical modeling of solar cells based on c-Si/a-Si:H nanowire arrays: focus on the electrical transport in between the nanowires

Alexandra Levtchenko , Sylvain Le Gall , Raphaël Lachaume , Jérôme Michallon , Stéphane Collin
Nanotechnology, 2018, nanotechnology, 29 (25), pp.255401. ⟨10.1088/1361-6528/aab7e8⟩
Journal articles hal-01738024v1
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Homo-heterojunction concept: From simulations to high efficiency solar cell demonstration

Tristan Carrere , Raphaël Lachaume , Quang Minh Thai , Marianne Coig , Jean-Paul Kleider
Solar Energy Materials and Solar Cells, 2018, 182, pp.178 - 187. ⟨10.1016/j.solmat.2018.03.027⟩
Journal articles hal-01808875v1
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Plasma-enhanced chemical vapor deposition epitaxy of Si on GaAs for tunnel junction applications in tandem solar cells

Gwenaelle Hamon , Nicolas Vaissiere Vaissière , Romain Cariou , Raphaël Lachaume , José Alvarez
Journal of Photonics for Energy, 2017, 7 (2), ⟨10.1117/1.JPE.7.022504⟩
Journal articles hal-01632906v1
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3D patterning of silicon by contact etching with anodically biased nanoporous gold electrodes

Encarnación Torralba , Mathieu Halbwax , Taha El Assimi , Marin Fouchier , Vincent Magnin
Electrochemistry Communications, 2017, 76, pp.79-82. ⟨10.1016/j.elecom.2017.01.014⟩
Journal articles hal-01480682v1

Comparison of FTPS performed on thin films and solar cells

Nastiti Puspitosari , Christophe Longeaud , Raphaël Lachaume , Li Zeyu , Rusli Rusli
physica status solidi (c), 2017
Journal articles hal-01760815v1
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Coupling Optical and Electrical Modelling for the study of a-Si:H-based nanowire Array Solar Cells

Alexandra Levtchenko , Raphaël Lachaume , Jérôme Michallon , Stéphane Collin , J Alvarez
physica status solidi (c), 2017, E‐MRS 2017 Spring Meeting – Symposium E ; E‐MRS 2017 Spring Meeting – Symposium N, 14 (10), pp.1700181. ⟨10.1002/pssc.201700181⟩
Journal articles hal-01589258v1
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Tunable Surface Structuration of Silicon by Metal Assisted Chemical Etching with Pt Nanoparticles under Electrochemical Bias

Encarnacion Torralba-Penalver , Sylvain Le Gall , R. Lachaume , Vincent Magnin , Joseph Harari
ACS Applied Materials & Interfaces, 2016, ACS, Applied Materials & Interfaces, 8, pp.31375. ⟨10.1021/acsami.6b09036⟩
Journal articles hal-01392805v1
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Detailed analysis of III-V/epi-SiGe tandem solar cell performance including light trapping schemes

R. Lachaume , M. Foldyna , G. Hamon , J. Decobert , R. Cariou
Solar Energy Materials and Solar Cells, 2016, 166, pp.276-285. ⟨10.1016/j.solmat.2016.11.023⟩
Journal articles hal-01416344v1
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New insight into the modulated photocurrent technique using 2D full numerical simulations

Raphaël Lachaume , Christophe Longeaud , Jean-Paul Kleider
physica status solidi (a), 2016, 213 (7), pp.1848 - 1855. ⟨10.1002/pssa.201532969⟩
Journal articles hal-01297095v1
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Performance Analysis of AlxGa1-xAs/epi-Si(Ge) Tandem Solar Cells: A Simulation Study

Raphaël Lachaume , R. Cariou , J. Decobert , M. Foldyna , G. Hamon
Energy Procedia, 2015, 84, pp.41-46. ⟨10.1016/j.egypro.2015.12.293⟩
Journal articles hal-01249896v1

Influence of the transparent conductive oxide layer deposition step on electrical properties of silicon heterojunction solar cells

W. Favre , J. Coignus , N. Nguyen , Raphaël Lachaume , R. Cabal
Applied Physics Letters, 2013, 102 (18), ⟨10.1063/1.4804985⟩
Journal articles hal-01240492v1
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Influence of a-Si:H/ITO interface properties on performance of heterojunction solar cells

Raphaël Lachaume , Wilfried Favre , Pascal Scheiblin , Xavier Garros , Nathalie Nguyen
Energy Procedia, 2013, 38, pp. 770-776. ⟨10.1016/j.egypro.2013.07.345⟩
Journal articles hal-01231749v1

Key issues for accurate simulation of a-Si:H / c-Si heterojunction solar cells

J Coignus , M Baudrit , J Singer , Raphaël Lachaume , D Muñoz
Energy Procedia, 2011, 8, pp.174-179. ⟨10.1016/j.egypro.2011.06.120⟩
Journal articles hal-01240731v1

3D patterning of Si by contact etchning: contribution of the band bending modeling

Sylvain Le Gall , Raphaël Lachaume , Encarnacion Torralba , Christine Cachet-Vivier , Stéphane Bastide
Semi-Conducteurs et Oxydes Poreux, 5ème journée (SCOPE 2019), Jun 2019, Thiais, France
Conference papers hal-02418947v1
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Elaboration of III-V top cell for tandem cell with Silicon

Amadeo Michaud , Ahmed Ben Slimane , Adrien Bercegol , Raphaël Lachaume , Jean-Christophe Harmand
2019 IEEE 46th Photovoltaic Specialists Conference (PVSC), Jun 2019, Chicago, United States. pp.1034-1038, ⟨10.1109/PVSC40753.2019.8980524⟩
Conference papers hal-03084896v1

3D patterning of silicon with nanoporous gold

Encarnacion Torralba-Penalver , Mathieu Halbwax , Elias Mpogui , Vincent Magnin , Joseph Harari
Porous Semiconductors - Science and Technology Conference, Mar 2018, La Grande Motte, France
Conference papers hal-02404199v1

Gravure par contact du silicium à l’aide d’électrodes en or nanoporeux

Encarnacion Torralba-Penalver , Mathieu Halbwax , E. Mpogui , Taha El Assimi , Joseph Harari
Semiconduteur et oxyde poreux (SCOPE 2017), Jun 2017, Lille, France
Conference papers hal-01580526v1
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Advances in silicon surface texturization by metal assisted chemical etching for photovoltaic applications

Sylvain Le Gall , Raphaël Lachaume , Encarnacion Torralba , Mathieu Halbwax , Vincent Magnin
2017 IEEE 44th Photovoltaic Specialists Conference (PVSC), IEEE, Jun 2017, Washington, United States. ⟨10.1109/pvsc.2017.8366525⟩
Conference papers hal-01579151v1

Direct Growth of Crystalline Silicon on GaAs by Low Temperature PECVD: Towards Hybrid Tunnel Junctions for III-V/Si Tandem Cells

Gwenaëlle Hamon , Nicolas Vaissiere Vaissière , Jean Decobert , Raphaël Lachaume , Romain Cariou
13th International Conference on Concentrator Photovoltaic Systems (CPV 13), May 2017, Ottawa, Canada
Conference papers hal-01632921v1

Low temperature plasma epitaxy of Silicon on III-V for tandem solar cells

Gwenaelle Hamon , Nicolas Vaissiere Vaissière , Romain Cariou , Wanghua Chen , Martin Foldyna
International Conference on the Formation of Semiconductor Interfaces (ICFSI-16), Jul 2017, Hannover, Germany
Conference papers hal-01632964v1

Microstructuration of Silicon Surfaces Using Nanoporous Gold Electrodes

E Torralba , Mathieu Halbwax , T El Assimi , V. Magnin , Joseph Harari
21st Topical Meeting of the International Society of Electrochemistry, ISE, Apr 2017, Szeged, Hungary. pp.31375 - 31375
Conference papers hal-01537684v1

Influence of electrical transport properties on performance of Si nanowire array solar cells assessed by optoelectrical modeling

Alexandra Levtchenko , Raphaël Lachaume , Jérôme Michallon , Stéphane Collin , J Alvarez
E-MRS 2017 Spring Meeting, May 2017, Strasbourg, France
Conference papers hal-01632933v1

Tunable Nanostructuration of Si by MACE with Pt nanoparticles under an applied external bias

Stéphane Bastide , Encarnacion Torralba-Penalver , Christine Cachet-Vivier , Sylvain Le Gall , Raphaël Lachaume
10th Conference of Porous Semiconductor Science and Technology (PSST) , Mar 2016, Tarragone, Spain
Conference papers hal-01579288v1

Modelling of multijunction cells

Raphaël Lachaume , Martin Foldyna , Gwenaëlle Hamon , Nicolas Vaissiere Vaissière , Romain Cariou
French-Russian Workshop, Dec 2016, Gif-Sur-Yvette, France
Conference papers hal-01416388v1

Direct Growth of Crystalline Silicon on GaAs by Low Temperature PECVD: Towards Hybrid Tunnel Junctions for III-V/Si Tandem Cells

Gwenaëlle Hamon , Jean Decobert , Nicolas Vaissiere Vaissière , Raphaël Lachaume , Romain Cariou
Journées Nationales du Photovoltaïque (JNPV), Nov 2016, Dourdan, France
Conference papers hal-01424644v1

Controlled elaboration of high aspect ratio cone-shape pore arrays in silicon by metal assisted chemical etching

Encarnacion Torralba-Penalver , Sylvain Le Gall , Christine Cachet-Vivier , Raphaël Lachaume , Mathieu Halbwax
11th INTERNATIONAL CONFERENCE ON SURFACE COATINGS AND NANOSTRUTURED MATERIALS (NANOSMAT), Sep 2016, Aveiro, Portugal
Conference papers hal-01579534v1

Silicon heterojunctions and homo-heterojunctions

Jean-Paul Kleider , J Alvarez , Raphaël Lachaume , Tristan Carrere , Delfina Muñoz
French-Russian Workshop: Beyond silicon : heterojunctions and multijunctions solar cells, Dec 2016, Gif-sur-Yvette, France
Conference papers hal-01475783v1

Characterization and modeling of group IV defects in MOS devices

Raphaël Lachaume , Arouna Darga , Ivana Capan
COST MultiScaleSolar workshop, Ruđer Bošković Institute, Oct 2016, Zagreb, Croatia
Conference papers hal-01416380v1

Controlled elaboration of high aspect ratio cone-shape pore arrays in silicon by metal assisted chemical etching

Stéphane Bastide , Encarnacion Torralba-Penalver , Christine Cachet-Vivier , Sylvain Le Gall , Raphaël Lachaume
E-MRS fall meeting 2016, Materials Research Society, Sep 2016, Varsovie, Poland
Conference papers hal-01579541v1

Homo-hétérojonction en silicium : une nouvelle architecture pour des cellules à rendement record

Tristan Carrere , Renaud Varache , Raphaël Lachaume , Coig Marianne , Delfina Muñoz
Journées Nationales du Photovoltaïque , Nov 2016, Dourdan, France
Conference papers hal-01424637v1

Simulation électrique et optique de nanofils de Silicium en géométrie radiale pour des applications photovoltaïques

Alexandra Levtchenko , Raphaël Lachaume , Jean-Paul Kleider , José Alvarez , Sana Laribi
Journées Nationales du Photovoltaïque 2015 (JNPV 2015), Dec 2015, Dourdan, France
Conference papers hal-01238536v1

New insights into the modulated photocurrent technique using 2D full numerical simulations

Raphaël Lachaume , Christophe Longeaud , Jean-Paul Kleider
COST Multiscale solar Workshop 2015, Nov 2015, Valencia, Spain
Conference papers hal-01238544v1

Towards realistic simulation of the novel III-V/epi-Si tandem solar cell concept

Raphaël Lachaume , Romain Cariou , Jean Decobert , Martin Foldyna , Gwenaëlle Hamon
Workshop Theory and Modeling for PV, IPVF, Nov 2015, Marseille, France
Conference papers hal-01240827v1

SiGe Low Temperature Epitaxy by PECVD on III-V MOVPE Grown Material for High Efficiency Tandem Solar Cell Applications

Jean Decobert , Romain Cariou , Kevin Louarn , Catherine Fortin , Raphaël Lachaume
16th European Workshop on Metalorganic Vapour Phase Epitaxy, EWMOVPE XVI, Jun 2015, Lund, Sweden
Conference papers hal-01232098v1

Realistic modeling of tandem cells formed by low temperature PECVD epitaxy of silicon-germanium on gallium arsenide

Raphaël Lachaume , Romain Cariou , Jean Decobert , Martin Foldyna , Gwenaelle Hamon
E-MRS Spring Meeting 2015, May 2015, Lille, France
Conference papers hal-01232097v1

Interfaces in (p) a-Si:H/(n) c-Si heterojunctions: influence of (i) a-Si:H buffer layer and front electrode on capacitance-temperature dependencies and strong inversion layers

Olga Maslova , Raphaël Lachaume , J Alvarez , Jean-Paul Kleider
26th International Conference on Amorphous and nanocrystalline Semiconductors (ICANS 26), Sep 2015, Aachen, Germany
Conference papers hal-01232109v1

Realistic simulation of III-V/epi-SiGe tandem solar cells

Raphaël Lachaume , Romain Cariou , Jean Decobert , Martin Foldyna , Gwenaelle Hamon
COST Multiscale solar Workshop, Nov 2015, Valencia, Spain
Conference papers hal-01239075v1
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Investigation of Hybrid Tunnel Junction Architectures for III-V/Si Tandem Solar Cells

Gwenaelle Hamon , Romain Cariou , Raphaël Lachaume , Jean Decobert , Kevin Louarn
31st European Photovoltaic Solar Energy Conference and Exhibition (EU-PVSEC 2015), Sep 2015, Hamburg, Germany. pp.75-79, ⟨10.4229/EUPVSEC20152015-1CO.10.4⟩
Conference papers hal-01232634v1

New insights into the modulated photocurrent technique using 2D full numerical simulations

Raphaël Lachaume , Christophe Longeaud , Jean-Paul Kleider
26th International Conference on Amorphous and nanocrystalline Semiconductors (ICANS 26), Sep 2015, Aachen, Germany
Conference papers hal-01232105v1

Caractérisation du travail de sortie de l'ITO: apports de la microélectronique

Raphaël Lachaume
JNPV 2014, Dec 2014, Dourdan, France
Conference papers hal-01104247v1

Influence of a-Si:H/ITO Interface Properties on Performance of Heterojunction Solar Cells

Raphaël Lachaume , W. Favre , Pascal Scheiblin , Xavier Garros , N. Nguyen
3rd International Conference on Crystalline Silicon Photovoltaics, Mar 2013, Hamelin, Germany
Conference papers hal-01240744v1

Impact of bulk defects in hydrogenated amorphous Si layers on performance of high efficiency HeteroJunctions solar cells assessed by 2D modeling

Raphaël Lachaume , Jean Coignus , Xavier Garros , Pascal Scheiblin , Delfina Munoz
2012 13th International Conference on Ultimate Integration on Silicon (ULIS), IEEE, Mar 2012, Grenoble, France
Conference papers hal-01240804v1

In-depth electrical and physical characterization of ITO electrodes for photovoltaic and display applications

Raphaël Lachaume , Xavier Garros , Pascal Scheiblin , Guillaume Rodriguez , Denis Blachier
2012 IEEE 43rd Semiconductor Interface Specialists Conference (SISC), Dec 2012, San Diego, CA, United States
Conference papers hal-01240788v1

Preuve de concept de texturisation de surface de Silicium par MACE pour des applications photovoltaïques

Sylvain Le Gall , Raphaël Lachaume , Encarnacion Torralba-Penalver , Mathieu Halbwax , Vincent Magnin
Journées Nationales du Photovoltaique 2018, Dec 2018, Dourdan, France
Conference poster hal-01961816v1

Couplage des modélisations électriques/optiques pour l'étude de cellules à base de nanofils a-Si:H

Alexandra Levtchenko , Raphaël Lachaume , Jérôme Michallon , Stéphane Collin , J Alvarez
Journées Nationales du Photovoltaïque 2017, Dec 2017, Dourdan, France
Conference poster hal-01633176v1

Application of the cryogenic etching for mold fabrication in Si substrates

Dmitri Yarekha , Mathieu Halbwax , N. Belouchrani , Vincent Magnin , Joseph Harari
Journée Nationales sur les Technologies Emergentes en micronanofabrication (JNTE 2017), Nov 2017, Orléan, France. 2017
Conference poster hal-01647675v1

Application de la technique de photocourant modulé (MPC) aux cellules à hétérojonctions c-Si / a-Si:H

Alexandra Levtchenko , Raphaël Lachaume , Rudolf Brüggemann , Hrachya Kyureghian , Alexandre Jaffré
Journées Nationales du Photovoltaïque 2017, Dec 2017, Dourdan, France
Conference poster hal-01633186v1

TANGUI: un outil de modélisation pour les cellules tandems

Cyril Léon , Raphaël Lachaume , Marie-Estelle Gueunier-Farret , Sylvain Le Gall
Journées Nationales du Photovoltaïque, Dec 2017, Dourdan, France. 2017
Conference poster hal-01637646v1

Inverse metamorphic III-V/epi-SiGe tandem solar cell performance assessed by optical and electrical modeling

Raphaël Lachaume , Martin Foldyna , Gwenaelle Hamon , Nicolas Vaissiere Vaissière , Jean Decobert
International 2017 IEEE Photovoltaic Specialists Conference, 2017 IEEE PVSC-44, Jun 2017, Washington D.C., United States
Conference poster hal-01632952v1

Optimizing tin dioxide nanoparticles distribution for silicon nanowires growth

Letian Dai , Mutaz Al-Ghzaiwat , Wanghua Chen , Martin Foldyna , Isabelle Maurin
Nanowire week, May 2017, Lund, Sweden
Conference poster hal-01632957v1

Direct growth of crystalline Silicon on GaAs by Low Temperature PECVD: toward hybrid tunnel junctions for III-V/Si tandem cells

Gwenaëlle Hamon , Jean Decobert , N. Vaissiere , Raphaël Lachaume , Romain Cariou
43rd IEEE PV Specialists Conference, Jun 2016, Portland, United States
Conference poster hal-01363728v1

Si1-xGex alloys on III-V (100): first steps in film growth by low temperature PECVD epitaxy

Nicolas Vaissiere Vaissière , Gwenaëlle Hamon , Raphaël Lachaume , Wanghua Chen , Jean Decobert
Journées Nationales du Photovoltaïque (JNPV), Nov 2016, Dourdan, France. 2016
Conference poster hal-01424658v1

Modélisation 2D de la courbure de bandes de l'interface Pt-Si-Electrolyte, vers une meilleure compréhension des mécanismes de gravure chimique

Sylvain Le Gall , Raphaël Lachaume , Encarnacion Torralba-Penalver , Mathieu Halbwax , Vincent Magnin
Journées Nationales du Photovoltaïque (JNPV), Nov 2016, Dourdan, France. , 2016
Conference poster hal-01424650v1

In-Depth Analysis of III-V/Epi-SiGe Tandem Solar Cell Performance Including Advanced Light Trapping Schemes

Raphaël Lachaume , Martin Foldyna , Gwenaëlle Hamon , Jean Decobert , Romain Cariou
Photovoltaic Technical Conference, PVTC 2016, May 2016, Marseille, France. , From advanced materials and processes to innovative applications
Conference poster hal-01363733v1

Tandem radial-junction silicon nanowire solar cells fabricated by PECVD

Letian Dai , Martin Foldyna , Mutaz Al-Ghzaiwat , Wanghua Chen , Isabelle Maurin
Journées Nationales du Photovoltaïque (JNPV), Nov 2016, Dourdan, France. , 2016
Conference poster hal-01424667v1

New insights into the modulated photocurrent technique using 2D full numerical simulations

Raphaël Lachaume , Christophe Longeaud , Jean-Paul Kleider
Journées Nationales du Photovoltaïque 2015 (JNPV 2015), Dec 2015, Dourdan, France
Conference poster hal-01238538v1

Structuration de surface de Silicium par gravure chimique assistée par des métaux nobles pour la texturisation de cellules solaires : Simulation de la modulation de la courbure de bande à l’interface Metal/Electrolyte/Silicium

Sylvain Le Gall , R. Lachaume , Mathieu Halbwax , Christine Cachet-Vivier , Vincent Magnin
Journée Nationale du Photovoltaique, Dec 2015, Dourdan, France
Conference poster hal-01246642v1