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Proceedings Paper

CIGS growth on a GaP/Si(001) platform: towards CIGS/Si tandem solar cells (Conference Presentation)
Author(s): Olivier Durand; Antoine Létoublon; Charles Cornet; Ang Zhou; Nicolas Barreau; Eric Gautron; Matteo Balestrieri; Damien Coutancier; Lincot Daniel

Paper Abstract

We propose to explore tandem junctions associating single crystalline silicon bottom cell (bandgap of 1.12 eV) and CIGS top cell (bandgap of 1.7 eV), and using wide bandgap GaP intermediate layers. Our purpose is to grow CIGS films under epitaxial conditions on GaP to improve the CIGS top cell efficiency, thanks to a reduction of the structural defects density detrimental for the cell performance, so that CIGS-Si tandem solar cells can emerge as cost competitive for the next generation of PV modules. Epitaxy of CIGS on GaP/Si platform is demonstrated and preliminary results on CIGS cell on GaP/Si is reported.

Paper Details

Date Published: 10 March 2020
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Proc. SPIE 11275, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices IX, 1127505 (10 March 2020); doi: 10.1117/12.2550687
Show Author Affiliations
Olivier Durand, Fonctions Optiques pour les Technologies de l'information (France)
Institut National des Sciences Appliquées de Rennes (France)
Antoine Létoublon, Fonctions Optiques pour les Technologies de l'information (France)
Institut National des Sciences Appliquées de Rennes (France)
Charles Cornet, Fonctions Optiques pour les Technologies de l'information (France)
Institut National des Sciences Appliquées de Rennes (France)
Ang Zhou, Fonctions Optiques pour les Technologies de l'information (France)
Institut National des Sciences Appliquées de Rennes (France)
Nicolas Barreau, Univ. de Nantes (France)
Institut des Matériaux Jean Rouxel, Ctr. National de la Recherche Scientifique (France)
Eric Gautron, Univ. de Nantes (France)
Institut des Matériaux Jean Rouxel, Ctr. National de la Recherche Scientifique (France)
Matteo Balestrieri, Ctr. National de la Recherche Scientifique (France)
Institut Photovoltaïque d'Ile-de-France (France)
Damien Coutancier, Ctr. National de la Recherche Scientifique (France)
Institut Photovoltaïque d'Ile-de-France (France)
Lincot Daniel, Ctr. National de la Recherche Scientifique (France)
Institut Photovoltaïque d'Ile-de-France (France)


Published in SPIE Proceedings Vol. 11275:
Physics, Simulation, and Photonic Engineering of Photovoltaic Devices IX
Alexandre Freundlich; Masakazu Sugiyama; Stéphane Collin, Editor(s)

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