New developments in Cu(In,Ga)(S, Se)2 thin film modules formed by rapid thermal processing of stacked elemental layers

被引:40
作者
Probst, V. [1 ]
Palm, J. [1 ]
Visbeck, S. [1 ]
Niesen, T. [1 ]
Toelle, R. [1 ]
Lerchenberger, A. [1 ]
Wendl, M. [1 ]
Vogt, H. [1 ]
Calwer, H. [1 ]
Stetter, W. [1 ]
Karg, F. [1 ]
机构
[1] Shell Solar GmbH, D-81739 Munich, Germany
关键词
D O I
10.1016/j.solmat.2006.06.031
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
A second-generation process for high-efficiency large-area Cu(In,Ga)(Se,S)(2) thin film (CIGSSe) solar modules has been developed applying controlled sodium doping and rapid thermal processing for absorber formation. The pilot line delivers aperture area efficiencies of 12.2% +/- 0.5% (average) for 30 x 30 cm(2) modules and a certified champion efficiency of 13.1 % for an unencapsulated 60 x 90 cm 2 demonstrator module. The stability of the frameless pilot line modules with a low-cost package against humidity is confirmed externally by passing the damp heat test sequence according to IEC 61646. Substitution of CBD-CdS by CBD-Zn(S, OH) buffer layers yields efficiencies up to 12% on 30 x 30 cm2 circuits. First CIGSSe-cells on flexible substrates were also developed applying 30 mu m thin titanium foils, 8 x 8 cm(2) in size. Average cell efficiencies on a substrate up to 12.4% were achieved. (c) 2006 Published by Elsevier B.V.
引用
收藏
页码:3115 / 3123
页数:9
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