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Prediction of Photovoltaic Cu(In,Ga)Se2 p-n Device Performance by forward Bias Electrochemical Analysis of Only the p-Type Cu(In,Ga)Se2 Films
Colombara, Diego; Bertram, Tobias; Depredurand, Valérie et al.
2015In Electrochemical Society Transactions, 66 (6), p. 19-25
Peer reviewed
 

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Keywords :
Process monitoring; Electrochemistry; Photoelectrochemistry; Semiconductor; Solar cell; Photovoltaics; CIGS; Chalcopyrite; Europium
Abstract :
[en] This work is an attempt to rate the quality of Mo/Cu(In,Ga)Se2 films intended for fabrication of photovoltaic devices. The procedure is based on the simple current-voltage electrochemical analysis of the bilayer in a Eu2+/3+-containing electrolyte solution. Two series of bilayer samples were tested electrochemically, while sister samples were completed into Mo/Cu(In,Ga)Se2/CdS/i-ZnO/Al:ZnO/Ni-Al solid state devices and their current-voltage characteristics measured in the dark. A correlation was found between the reverse saturation current density of the solid state devices and an analogous parameter extracted from the electrochemical response in forward bias. While Eu2+ was found to be metastable in water posing restrictions to the application, reproducible measurements were achieved with a methanol-based solution. The intrinsic simplicity of the proposed methodology makes it particularly suitable for the implementation of a low-cost diagnostic tool.
Disciplines :
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others
Author, co-author :
Colombara, Diego ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Bertram, Tobias ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Depredurand, Valérie ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Fouquet, Thierry
Bour, Jérome
Broussillou, Cédric
Grand, Pierre-Philippe
Dale, Phillip ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
External co-authors :
yes
Language :
English
Title :
Prediction of Photovoltaic Cu(In,Ga)Se2 p-n Device Performance by forward Bias Electrochemical Analysis of Only the p-Type Cu(In,Ga)Se2 Films
Publication date :
2015
Event name :
227th Meeting
Event organizer :
Electrochemical Society
Event place :
Chicago (IL), United States
Event date :
24-28 May 2015
Journal title :
Electrochemical Society Transactions
Special issue title :
Semiconductor Electrochemistry – Etching, Interfaces and Devices
Volume :
66
Issue :
6
Pages :
19-25
Peer reviewed :
Peer reviewed
European Projects :
FP7 - 284486 - SCALENANO - Development and scale-up of nanostructured based materials and processes for low cost high efficiency chalcogenide based photovoltaics
Name of the research project :
Scalenano
Funders :
CE - Commission Européenne [BE]
Available on ORBilu :
since 25 January 2016

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