Article (Scientific journals)
Cu2ZnSnSe4 thin film solar cells produced via coevaporation and annealing including a SnSe2 capping layer
Redinger, Alex; Mousel, Marina; Djemour, Rabie et al.
2013In Progress in Photovoltaics, 22 (1), p. 51-57
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Abstract :
[en] Cu2ZnSnSe4 (CZTSe) thin film solar cells have been produced via co-evaporation followed by a high-temperature annealing. In order to reduce the decomposition of the CZTSe, a SnSe2 capping layer has been evaporated onto the absorber prior to the high-temperature treatment. This eliminates the Sn losses due to SnSe evaporation. A solar cell efficiency of 5.1 could be achieved with this method. Moreover, the device does not suffer from high series resistance, and the dominant recombination pathway is situated in the absorber bulk. Finally different illumination conditions (white light, red light, and yellow light) reveal a strong loss in fill factor if no carriers are generated in the CdS buffer layer. This effect, known as red-kink effect, has also been observed in the closely related Cu(In,Ga)Se-2 thin film solar cells. Copyright (c) 2013 John Wiley Sons, Ltd.
Disciplines :
Physics
Author, co-author :
Redinger, Alex ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Mousel, Marina ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Djemour, Rabie ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Gütay, Levent ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Valle, Nathalie;  Centre de Recherches Gabriel Lippmann
Siebentritt, Susanne ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
External co-authors :
yes
Language :
English
Title :
Cu2ZnSnSe4 thin film solar cells produced via coevaporation and annealing including a SnSe2 capping layer
Publication date :
2013
Journal title :
Progress in Photovoltaics
ISSN :
1099-159X
Publisher :
John Wiley & Sons Ltd., Chichester, United Kingdom
Volume :
22
Issue :
1
Pages :
51-57
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Physics and Materials Science
Available on ORBilu :
since 15 November 2013

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