Reference : Cu2ZnSnSe4 thin film solar cells produced via co-evaporation and annealing including ...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Physics and Materials Science
http://hdl.handle.net/10993/32770
Cu2ZnSnSe4 thin film solar cells produced via co-evaporation and annealing including a SnSe2 capping layer
English
Redinger, Alex mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit]
Mousel, Marina [> >]
Djemour, Rabie [> >]
Guetay, Levent [> >]
Valle, Nathalie [> >]
Siebentritt, Susanne mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit]
2014
PROGRESS IN PHOTOVOLTAICS
22
1
51-57
Yes (verified by ORBilu)
International
1062-7995
[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.
http://hdl.handle.net/10993/32770
10.1002/pip.2324

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