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公开(公告)号:US20160233360A1
公开(公告)日:2016-08-11
申请号:US14409653
申请日:2013-06-19
Applicant: SAINT-GOBAIN GLASS FRANCE
Inventor: Jorg PALM , Stephan POHLNER , Thomas HAPP , Thomas DALIBOR , Roland DIETMULLER
IPC: H01L31/0392 , H01L31/18 , H01L31/032 , H01L31/0224 , H01L31/0749 , H01L31/036
CPC classification number: H01L31/03923 , H01L21/02485 , H01L21/02557 , H01L21/02568 , H01L21/02631 , H01L31/022475 , H01L31/0322 , H01L31/0323 , H01L31/036 , H01L31/0749 , H01L31/186 , Y02E10/541
Abstract: The present invention relates to a layer system (1) for thin-film solar cells (100) and solar modules, comprising an absorber layer (4), which includes a chalcogenide compound semiconductor, and a buffer layer (5), which is arranged on the absorber layer (4) and includes halogen-enriched ZnxIn1-xSy with 0.01≦x≦0.9 and 1≦y≦2, wherein the buffer layer (5) consists of a first layer region (5.1) adjoining the absorber layer (4) with a halogen mole fraction A1 and a second layer region (5.2) adjoining the first layer region (5.1) with a halogen mole fraction A2 and the ratio A1/A2 is ≧2 and the layer thickness (d1) of the first layer region (5.1) is ≦50% of the layer thickness (d) of the buffer layer (5).
Abstract translation: 本发明涉及一种用于薄膜太阳能电池(100)的层系统(1)和太阳能模块,其包括含有硫族化合物半导体的吸收层(4)和缓冲层(5) 在吸收层(4)上,并且包括具有0.01≤x≤0.9且1≤y≤2的富含卤素的Zn x In 1-x S y,其中缓冲层(5)由与吸收层(4)相邻的第一层区域 )与卤素摩尔分数A1和邻接第一层区域(5.1)的第二层区域(5.2)与卤素摩尔分数A2比较,并且比率A1 / A2为≥2,第一层区域的层厚度(d1) (5.1)为缓冲层(5)的层厚度(d)的50%。