Comparative study of Cu(In,Ga)Se-2 solar cells fabricated by using Cu-Ga alloy targets with different Ga contents

Title
Comparative study of Cu(In,Ga)Se-2 solar cells fabricated by using Cu-Ga alloy targets with different Ga contents
Author(s)
전찬욱박상욱박준성박순록백주영한혜진윤태영
Keywords
THIN-FILMS
Issue Date
201312
Publisher
TAYLOR & FRANCIS LTD
Citation
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.585, no.1, pp.121 - 127
Abstract
In this study, in an effort to increase the surface Ga contents of Cu(In,Ga)Se-2 absorber, a high Ga-containing sputter target (Cu-30 at%Ga) was used to produce a precursor and was compared with Cu-22 at%Ga target in terms of photovoltaic performances of completed solar cells. The precursors consisted of multi-stack of CuGa/In and were selenized by using Se vapor at 530 degrees C. The higher efficiency was obtained from the high Ga target with substantial improvement of open-circuit voltage and short-circuit current density. The increased hole concentration with more Ga addition in the absorber was found to be responsible for the higher open-circuit voltage.
URI
http://hdl.handle.net/YU.REPOSITORY/28289http://dx.doi.org/10.1080/15421406.2013.850943
ISSN
1542-1406
Appears in Collections:
공과대학 > 화학공학부 > Articles
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