LAYER SYSTEM FOR THIN-FILM SOLAR CELLS
    2.
    发明申请
    LAYER SYSTEM FOR THIN-FILM SOLAR CELLS 审中-公开
    薄膜太阳能电池层系统

    公开(公告)号:US20150325722A1

    公开(公告)日:2015-11-12

    申请号:US14409684

    申请日:2013-06-19

    Abstract: The present invention relates to a layer system (1) for thin-film solar cells (100) and solar modules, comprising an absorber layer (4) that includes a chalcogenide compound semiconductor and a buffer layer (5) that is arranged on the absorber layer (4) and includes halogen-enriched InxSy with ⅔≦x/y≦1, 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)和太阳能模块的层系统(1),包括一个吸收层(4),该吸收层包括一个硫族化物化合物半导体和一个缓冲层(5) 层(4),并且包括具有⅔和nlE的卤素富集的In x S y; x / y&n l E; 1,其中缓冲层(5)由邻近吸收层(4)的第一层区域(5.1)和卤素摩尔分数A1组成, 与第一层区域(5.1)邻接的第二层区域(5.2)与卤素摩尔分数A2,比率A1 / A2为≥2,第一层区域(5.1)的层厚度(d1)为 缓冲层(5)的层厚度(d)。

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