Reference : Prediction of Photovoltaic Cu(In,Ga)Se2 p-n Device Performance by forward Bias Electr...

	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a journal
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Multidisciplinary, general & others
	To cite this reference:	http://hdl.handle.net/10993/23839

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
Language :	English
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 >]
Publication date :	2015
Journal title :	Electrochemical Society Transactions
Volume :	66
Issue/season :	6
Special issue title :	Semiconductor Electrochemistry – Etching, Interfaces and Devices
Pages :	19-25
Peer reviewed :	Yes
Event name :	227th Meeting
Event date :	24-28 May 2015
Event organizer :	Electrochemical Society
Event place (city) :	Chicago (IL)
Event country :	USA
Keywords :	[en] 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.
Funders :	European Commission - EC
Name of the research project :	Scalenano
Target :	Researchers ; Professionals ; Students
Permalink :	http://hdl.handle.net/10993/23839
DOI :	10.1149/06606.0019ecst
Other URL :	http://ecst.ecsdl.org/content/66/6/19
	http://ma.ecsdl.org/content/MA2015-01/19/1292.abstract
Framework Programme / European Project :	FP7 ; 284486 - SCALENANO - Development and scale-up of nanostructured based materials and processes for low cost high efficiency chalcogenide based photovoltaics

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