Elaboration of wide bandgap CIGS on silicon by electrodeposition of stacked metal precursors and sulfur annealing for tandem solar cell applications
In: EPJ Photovoltaics, Jg. 11 (2020)
Online
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Zugriff:
A method was developed for the electrodeposition of Cu-In-Ga precursor layers to elaborate Cu(In,Ga)(S,Se)2 (CIGS) thin films on silicon substrates for future application as silicon/wide-gap CIGS tandem solar cells. An underlayer of Ag was first deposited on silicon substrates to ensure a good adhesion of the electrodeposited stack and to serve as cathode during the deposition process. Cu, In and Ga layers were then sequentially electrodeposited. Ag-Cu-In-Ga precursor layers were finally subjected to elemental sulfur annealing at 600 °C. Formation of compact and adherent AgCIGS is observed. X ray diffraction and photoluminescence analyses confirm the formation of wide-gap CIGS of about 1.6 eV, with a spontaneous gallium grading over the depth of the sample leading to the formation of a bi-layer structure with a gallium rich layer at the interface with silicon.
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Elaboration of wide bandgap CIGS on silicon by electrodeposition of stacked metal precursors and sulfur annealing for tandem solar cell applications
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Autor/in / Beteiligte Person: | Lincot, Daniel ; Cammilleri, Davide ; Crossay, Alexandre ; Zerbo, Bienlo ; Rebai, Amelle ; Thomere, Angelica ; Barreau, Nicolas ; Institut Photovoltaïque d’Ile-de-France (UMR) (IPVF) ; École polytechnique (X)-Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP) ; Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-TOTAL FINA ELF-EDF (EDF)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut Photovoltaïque d’Ile-de-France (ITE) (IPVF)-Air Liquide [Siège Social] ; Institut des Matériaux Jean Rouxel (IMN) ; Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST) ; Université de Nantes (UN)-Université de Nantes (UN)-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)-Ecole Polytechnique de l'Université de Nantes (EPUN) ; Université de Nantes (UN)-Université de Nantes (UN) ; Paris-Saclay, Université |
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Zeitschrift: | EPJ Photovoltaics, Jg. 11 (2020) |
Veröffentlichung: | EDP Sciences, 2020 |
Medientyp: | unknown |
ISSN: | 2105-0716 (print) |
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