Raphaël Lachaume

Alexandra Levtchenko, Sylvain Le Gall, Raphaël Lachaume, Jérôme Michallon, Stéphane Collin, et al.. Optoelectrical modeling of solar cells based on c-Si/a-Si:H nanowire arrays: focus on the electrical transport in between the nanowires. Nanotechnology, Institute of Physics, 2018, nanotechnology, 29 (25), pp.255401. ⟨10.1088/1361-6528/aab7e8⟩. ⟨hal-01738024⟩

Tristan Carrere, Raphaël Lachaume, Quang Minh Thai, Marianne Coig, Jean-Paul Kleider, et al.. Homo-heterojunction concept: From simulations to high efficiency solar cell demonstration. Solar Energy Materials and Solar Cells, Elsevier, 2018, 182, pp.178 - 187. ⟨10.1016/j.solmat.2018.03.027⟩. ⟨hal-01808875⟩

Encarnación Torralba, Mathieu Halbwax, Taha El Assimi, Marin Fouchier, Vincent Magnin, et al.. 3D patterning of silicon by contact etching with anodically biased nanoporous gold electrodes. Electrochemistry Communications, Elsevier, 2017, 76, pp.79-82. ⟨10.1016/j.elecom.2017.01.014⟩. ⟨hal-01480682⟩

Gwenaelle Hamon, Nicolas Vaissière, Romain Cariou, Raphaël Lachaume, José Alvarez, et al.. Plasma-enhanced chemical vapor deposition epitaxy of Si on GaAs for tunnel junction applications in tandem solar cells. Journal of Photonics for Energy, Society of Photo-optical Instrumentation Engineers (SPIE), 2017, 7 (2), ⟨10.1117/1.JPE.7.022504⟩. ⟨hal-01632906⟩

Nastiti Puspitosari, Christophe Longeaud, Raphaël Lachaume, Li Zeyu, Rusli Rusli, et al.. Comparison of FTPS performed on thin films and solar cells. physica status solidi (c), Wiley, 2017. ⟨hal-01760815⟩

Alexandra Levtchenko, Raphaël Lachaume, Jérôme Michallon, Stéphane Collin, J Alvarez, et al.. Coupling Optical and Electrical Modelling for the study of a-Si:H-based nanowire Array Solar Cells. physica status solidi (c), Wiley, 2017, E‐MRS 2017 Spring Meeting – Symposium E ; E‐MRS 2017 Spring Meeting – Symposium N, 14 (10), pp.1700181. ⟨10.1002/pssc.201700181⟩. ⟨hal-01589258⟩

Raphaël Lachaume, Christophe Longeaud, Jean-Paul Kleider. New insight into the modulated photocurrent technique using 2D full numerical simulations. physica status solidi (a), Wiley, 2016, 213 (7), pp.1848 - 1855. ⟨10.1002/pssa.201532969⟩. ⟨hal-01297095⟩

Encarnacion Torralba-Penalver, Sylvain Le Gall, R. Lachaume, Vincent Magnin, J. Harari, et al.. Tunable Surface Structuration of Silicon by Metal Assisted Chemical Etching with Pt Nanoparticles under Electrochemical Bias. ACS Applied Materials & Interfaces, Washington, D.C. : American Chemical Society, 2016, ACS, Applied Materials & Interfaces, 8, pp.31375. ⟨10.1021/acsami.6b09036⟩. ⟨hal-01392805⟩

R. Lachaume, M. Foldyna, G. Hamon, J. Decobert, R. Cariou, et al.. Detailed analysis of III-V/epi-SiGe tandem solar cell performance including light trapping schemes. Solar Energy Materials and Solar Cells, Elsevier, 2016, 166, pp.276-285. ⟨10.1016/j.solmat.2016.11.023⟩. ⟨hal-01416344⟩

Raphaël Lachaume, R. Cariou, J. Decobert, M. Foldyna, G. Hamon, et al.. Performance Analysis of AlxGa1-xAs/epi-Si(Ge) Tandem Solar Cells: A Simulation Study. Energy Procedia, Elsevier, 2015, 84, pp.41-46. ⟨10.1016/j.egypro.2015.12.293⟩. ⟨hal-01249896⟩

W. Favre, J. Coignus, N. Nguyen, Raphaël Lachaume, R. Cabal, et al.. Influence of the transparent conductive oxide layer deposition step on electrical properties of silicon heterojunction solar cells. Applied Physics Letters, American Institute of Physics, 2013, 102 (18), ⟨10.1063/1.4804985⟩. ⟨hal-01240492⟩

Raphaël Lachaume, Wilfried Favre, Pascal Scheiblin, Xavier Garros, Nathalie Nguyen, et al.. Influence of a-Si:H/ITO interface properties on performance of heterojunction solar cells. Energy Procedia, Elsevier, 2013, 38, pp. 770-776. ⟨10.1016/j.egypro.2013.07.345⟩. ⟨hal-01231749⟩

J Coignus, M Baudrit, J Singer, Raphaël Lachaume, D Muñoz, et al.. Key issues for accurate simulation of a-Si:H / c-Si heterojunction solar cells. Energy Procedia, Elsevier, 2011, 8, pp.174-179. ⟨10.1016/j.egypro.2011.06.120⟩. ⟨hal-01240731⟩

Sylvain Le Gall, Raphaël Lachaume, Encarnacion Torralba, Christine Cachet-Vivier, Stéphane Bastide, et al.. 3D patterning of Si by contact etchning: contribution of the band bending modeling. Semi-Conducteurs et Oxydes Poreux, 5ème journée (SCOPE 2019), Jun 2019, Thiais, France. ⟨hal-02418947⟩

Encarnacion Torralba-Penalver, Mathieu Halbwax, Elias Mpogui, Vincent Magnin, Joseph Harari, et al.. 3D patterning of silicon with nanoporous gold. Porous Semiconductors - Science and Technology Conference, Mar 2018, La Grande Motte, France. ⟨hal-02404199⟩

Gwenaelle Hamon, Nicolas Vaissière, Romain Cariou, Wanghua Chen, Martin Foldyna, et al.. Low temperature plasma epitaxy of Silicon on III-V for tandem solar cells. International Conference on the Formation of Semiconductor Interfaces (ICFSI-16), Jul 2017, Hannover, Germany. ⟨hal-01632964⟩

Sylvain Le Gall, Raphaël Lachaume, Encarnacion Torralba, Mathieu Halbwax, Vincent Magnin, et al.. Advances in silicon surface texturization by metal assisted chemical etching for photovoltaic applications. 2017 IEEE 44th Photovoltaic Specialists Conference (PVSC), IEEE, Jun 2017, Washington, United States. ⟨10.1109/pvsc.2017.8366525⟩. ⟨hal-01579151⟩

Alexandra Levtchenko, Raphaël Lachaume, Jérôme Michallon, Stéphane Collin, J Alvarez, et al.. Influence of electrical transport properties on performance of Si nanowire array solar cells assessed by optoelectrical modeling. E-MRS 2017 Spring Meeting, May 2017, Strasbourg, France. ⟨hal-01632933⟩

Gwenaëlle Hamon, Nicolas Vaissière, Jean Decobert, Raphaël Lachaume, Romain Cariou, et al.. Direct Growth of Crystalline Silicon on GaAs by Low Temperature PECVD: Towards Hybrid Tunnel Junctions for III-V/Si Tandem Cells. 13th International Conference on Concentrator Photovoltaic Systems (CPV 13), May 2017, Ottawa, Canada. ⟨hal-01632921⟩

Encarnacion Torralba-Penalver, Mathieu Halbwax, E. Mpogui, Taha El Assimi, Joseph Harari, et al.. Gravure par contact du silicium à l’aide d’électrodes en or nanoporeux. Semiconduteur et oxyde poreux (SCOPE 2017), Jun 2017, Lille, France. ⟨hal-01580526⟩

E Torralba, M Halbwax, T El Assimi, V Magnin, J Harari, et al.. Microstructuration of Silicon Surfaces Using Nanoporous Gold Electrodes. 21st Topical Meeting of the International Society of Electrochemistry, ISE, Apr 2017, Szeged, Hungary. pp.31375 - 31375. ⟨hal-01537684⟩

Tristan Carrere, Renaud Varache, Raphaël Lachaume, Coig Marianne, Delfina Muñoz, et al.. Homo-hétérojonction en silicium : une nouvelle architecture pour des cellules à rendement record. Journées Nationales du Photovoltaïque , Nov 2016, Dourdan, France. ⟨hal-01424637⟩

Gwenaëlle Hamon, Jean Decobert, Nicolas Vaissière, Raphaël Lachaume, Romain Cariou, et al.. Direct Growth of Crystalline Silicon on GaAs by Low Temperature PECVD: Towards Hybrid Tunnel Junctions for III-V/Si Tandem Cells. Journées Nationales du Photovoltaïque (JNPV), Nov 2016, Dourdan, France. ⟨hal-01424644⟩

Raphaël Lachaume, Martin Foldyna, Gwenaëlle Hamon, Nicolas Vaissière, Romain Cariou, et al.. Modelling of multijunction cells. French-Russian Workshop, Dec 2016, Gif-Sur-Yvette, France. ⟨hal-01416388⟩

Stéphane Bastide, Encarnacion Torralba-Penalver, Christine Cachet-Vivier, Sylvain Le Gall, Raphaël Lachaume, et al.. Tunable Nanostructuration of Si by MACE with Pt nanoparticles under an applied external bias. 10th Conference of Porous Semiconductor Science and Technology (PSST) , Mar 2016, Tarragone, Spain. ⟨hal-01579288⟩

Raphaël Lachaume, Arouna Darga, Ivana Capan. Characterization and modeling of group IV defects in MOS devices . COST MultiScaleSolar workshop, Ruđer Bošković Institute, Oct 2016, Zagreb, Croatia. ⟨hal-01416380⟩

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

Stéphane Bastide, Encarnacion Torralba-Penalver, Christine Cachet-Vivier, Sylvain Le Gall, Raphaël Lachaume, et al.. Controlled elaboration of high aspect ratio cone-shape pore arrays in silicon by metal assisted chemical etching. E-MRS fall meeting 2016, Materials Research Society, Sep 2016, Varsovie, Poland. ⟨hal-01579541⟩

Encarnacion Torralba-Penalver, Sylvain Le Gall, Christine Cachet-Vivier, Raphaël Lachaume, Mathieu Halbwax, et al.. Controlled elaboration of high aspect ratio cone-shape pore arrays in silicon by metal assisted chemical etching. 11th INTERNATIONAL CONFERENCE ON SURFACE COATINGS AND NANOSTRUTURED MATERIALS (NANOSMAT), Sep 2016, Aveiro, Portugal. ⟨hal-01579534⟩

Alexandra Levtchenko, Raphaël Lachaume, Jean-Paul Kleider, José Alvarez, Sana Laribi, et al.. Simulation électrique et optique de nanofils de Silicium en géométrie radiale pour des applications photovoltaïques. Journées Nationales du Photovoltaïque 2015 (JNPV 2015), Dec 2015, Dourdan, France. ⟨hal-01238536⟩

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

Raphaël Lachaume, Romain Cariou, Jean Decobert, Martin Foldyna, Gwenaelle Hamon, et al.. Realistic simulation of III-V/epi-SiGe tandem solar cells. COST Multiscale solar Workshop, Nov 2015, Valencia, Spain. ⟨hal-01239075⟩

Raphaël Lachaume, Christophe Longeaud, Jean-Paul Kleider. New insights into the modulated photocurrent technique using 2D full numerical simulations. 26th International Conference on Amorphous and nanocrystalline Semiconductors (ICANS 26), Sep 2015, Aachen, Germany. ⟨hal-01232105⟩

Raphaël Lachaume, Christophe Longeaud, Jean-Paul Kleider. New insights into the modulated photocurrent technique using 2D full numerical simulations. COST Multiscale solar Workshop 2015, Nov 2015, Valencia, Spain. ⟨hal-01238544⟩

Gwenaelle Hamon, Romain Cariou, Raphaël Lachaume, Jean Decobert, Kevin Louarn, et al.. Investigation of Hybrid Tunnel Junction Architectures for III-V/Si Tandem Solar Cells. 31st European Photovoltaic Solar Energy Conference and Exhibition (EU-PVSEC 2015), Sep 2015, Hamburg, Germany. pp.75-79, ⟨10.4229/EUPVSEC20152015-1CO.10.4⟩. ⟨hal-01232634⟩

Jean Decobert, Romain Cariou, Kevin Louarn, Catherine Fortin, Raphaël Lachaume, et al.. SiGe Low Temperature Epitaxy by PECVD on III-V MOVPE Grown Material for High Efficiency Tandem Solar Cell Applications. 16th European Workshop on Metalorganic Vapour Phase Epitaxy, EWMOVPE XVI, Jun 2015, Lund, Sweden. ⟨hal-01232098⟩

Raphaël Lachaume, Romain Cariou, Jean Decobert, Martin Foldyna, Gwenaëlle Hamon, et al.. Towards realistic simulation of the novel III-V/epi-Si tandem solar cell concept . Workshop Theory and Modeling for PV, IPVF, Nov 2015, Marseille, France. ⟨hal-01240827⟩

Raphaël Lachaume, Romain Cariou, Jean Decobert, Martin Foldyna, Gwenaelle Hamon, et al.. Realistic modeling of tandem cells formed by low temperature PECVD epitaxy of silicon-germanium on gallium arsenide. E-MRS Spring Meeting 2015, May 2015, Lille, France. ⟨hal-01232097⟩

Raphaël Lachaume. Caractérisation du travail de sortie de l'ITO: apports de la microélectronique. JNPV 2014, Dec 2014, Dourdan, France. ⟨hal-01104247⟩

Raphaël Lachaume, W. Favre, Pascal Scheiblin, Xavier Garros, N. Nguyen, et al.. Influence of a-Si:H/ITO Interface Properties on Performance of Heterojunction Solar Cells. 3rd International Conference on Crystalline Silicon Photovoltaics, Mar 2013, Hamelin, Germany. ⟨hal-01240744⟩

Raphaël Lachaume, Xavier Garros, Pascal Scheiblin, Guillaume Rodriguez, Denis Blachier, et al.. In-depth electrical and physical characterization of ITO electrodes for photovoltaic and display applications. 2012 IEEE 43rd Semiconductor Interface Specialists Conference (SISC), Dec 2012, San Diego, CA, United States. ⟨hal-01240788⟩

Raphaël Lachaume, Jean Coignus, Xavier Garros, Pascal Scheiblin, Delfina Munoz, et al.. Impact of bulk defects in hydrogenated amorphous Si layers on performance of high efficiency HeteroJunctions solar cells assessed by 2D modeling. 2012 13th International Conference on Ultimate Integration on Silicon (ULIS), IEEE, Mar 2012, Grenoble, France. ⟨hal-01240804⟩

Sylvain Le Gall, Raphaël Lachaume, Encarnacion Torralba-Penalver, Mathieu Halbwax, Vincent Magnin, et al.. Preuve de concept de texturisation de surface de Silicium par MACE pour des applications photovoltaïques. Journées Nationales du Photovoltaique 2018, Dec 2018, Dourdan, France. ⟨hal-01961816⟩

D. Yarekha, Mathieu Halbwax, N. Belouchrani, Vincent Magnin, Joseph Harari, et al.. Application of the cryogenic etching for mold fabrication in Si substrates . Journée Nationales sur les Technologies Emergentes en micronanofabrication (JNTE 2017), Nov 2017, Orléan, France. 2017. ⟨hal-01647675⟩

Alexandra Levtchenko, Raphaël Lachaume, Jérôme Michallon, Stéphane Collin, J Alvarez, et al.. Couplage des modélisations électriques/optiques pour l'étude de cellules à base de nanofils a-Si:H. Journées Nationales du Photovoltaïque 2017, Dec 2017, Dourdan, France. ⟨hal-01633176⟩

Cyril Léon, Raphaël Lachaume, Marie-Estelle Gueunier-Farret, Sylvain Le Gall. TANGUI: un outil de modélisation pour les cellules tandems. Journées Nationales du Photovoltaïque, Dec 2017, Dourdan, France. 2017. ⟨hal-01637646⟩

Alexandra Levtchenko, Raphaël Lachaume, Rudolf Brüggemann, Hrachya Kyureghian, Alexandre Jaffré, et al.. Application de la technique de photocourant modulé (MPC) aux cellules à hétérojonctions c-Si / a-Si:H. Journées Nationales du Photovoltaïque 2017, Dec 2017, Dourdan, France. ⟨hal-01633186⟩

Raphaël Lachaume, Martin Foldyna, Gwenaelle Hamon, Nicolas Vaissière, Jean Decobert, et al.. Inverse metamorphic III-V/epi-SiGe tandem solar cell performance assessed by optical and electrical modeling. International 2017 IEEE Photovoltaic Specialists Conference, 2017 IEEE PVSC-44, Jun 2017, Washington D.C., United States. ⟨hal-01632952⟩

Letian Dai, Mutaz Al-Ghzaiwat, Wanghua Chen, Martin Foldyna, Isabelle Maurin, et al.. Optimizing tin dioxide nanoparticles distribution for silicon nanowires growth. Nanowire week, May 2017, Lund, Sweden. ⟨hal-01632957⟩

Nicolas Vaissière, Gwenaëlle Hamon, Raphaël Lachaume, Wanghua Chen, Jean Decobert, et al.. Si1-xGex alloys on III-V (100): first steps in film growth by low temperature PECVD epitaxy. Journées Nationales du Photovoltaïque (JNPV), Nov 2016, Dourdan, France. 2016. ⟨hal-01424658⟩

Letian Dai, Martin Foldyna, Mutaz Al-Ghzaiwat, Wanghua Chen, Isabelle Maurin, et al.. Tandem radial-junction silicon nanowire solar cells fabricated by PECVD. Journées Nationales du Photovoltaïque (JNPV), Nov 2016, Dourdan, France. 2016. ⟨hal-01424667⟩

Gwenaëlle Hamon, Jean Decobert, N. Vaissiere, Raphaël Lachaume, Romain Cariou, et al.. Direct growth of crystalline Silicon on GaAs by Low Temperature PECVD: toward hybrid tunnel junctions for III-V/Si tandem cells. 43rd IEEE PV Specialists Conference, Jun 2016, Portland, United States. ⟨hal-01363728⟩

Sylvain Le Gall, Raphaël Lachaume, Encarnacion Torralba-Penalver, Mathieu Halbwax, Vincent Magnin, et al.. Modélisation 2D de la courbure de bandes de l'interface Pt-Si-Electrolyte, vers une meilleure compréhension des mécanismes de gravure chimique. Journées Nationales du Photovoltaïque (JNPV), Nov 2016, Dourdan, France. 2016. ⟨hal-01424650⟩

Raphaël Lachaume, Martin Foldyna, Gwenaëlle Hamon, Jean Decobert, Romain Cariou, et al.. In-Depth Analysis of III-V/Epi-SiGe Tandem Solar Cell Performance Including Advanced Light Trapping Schemes. Photovoltaic Technical Conference, PVTC 2016, May 2016, Marseille, France. From advanced materials and processes to innovative applications. ⟨hal-01363733⟩

Sylvain Le Gall, R. Lachaume, Mathieu Halbwax, Christine Cachet-Vivier, Vincent Magnin, et al.. 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. Journée Nationale du Photovoltaique, Dec 2015, Dourdan, France. ⟨hal-01246642⟩

Raphaël Lachaume, Christophe Longeaud, Jean-Paul Kleider. New insights into the modulated photocurrent technique using 2D full numerical simulations. Journées Nationales du Photovoltaïque 2015 (JNPV 2015), Dec 2015, Dourdan, France. ⟨hal-01238538⟩

Raphaël Lachaume, Jean Coignus, Xavier Garros, Pascal Scheiblin, Delfina Munoz, et al.. Impact of bulk defects in hydrogenated amorphous Si layers on performance of high efficiency HeteroJunctions solar cells assessed by 2D modeling. 2012 13th International Conference on Ultimate Integration on Silicon (ULIS), Mar 2012, Grenoble, France. pp.97-100, 2012, ⟨10.1109/ULIS.2012.6193366⟩. ⟨hal-01240483⟩

J. Coignus, J. Singer, M. Baudrit, Raphaël Lachaume, Xavier Garros, et al.. First investigation of quantum effects in heterojunction solar cells. 2011 11th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD), Sep 2011, Rome, Italy. pp.23-24, 2011, 978-1-61284-878-5 ⟨10.1109/NUSOD.2011.6041117⟩. ⟨hal-01240551⟩