Abstract:
The invention concerns a layer system for thin-layer solar cells, said layer system comprising an absorber layer for absorbing light and a buffer layer on the absorber layer, said buffer layer containing NaxIny-x/3S, in which 0.063≦x≦0.625 and 0.681≦y≦1.50.
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%。
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)。
Abstract:
The present invention relates to a method for producing a compound semiconductor (2), which comprises the following steps: Producing at least one precursor layer stack (11), consisting of a first precursor layer (5.1), a second precursor layer (6), and a third precursor layer (5.2), wherein, in a first stage, the first precursor layer (5.1) is produced by depositing the metals copper, indium, and gallium onto a body (12), and, in a second stage, the second precursor layer (6) is produced by depositing at least one chalcogen, selected from sulfur and selenium, onto the first precursor layer (5.1) and, in a third stage, the third precursor layer (5.2) is produced by depositing the metals copper, indium, and gallium onto the second precursor layer (6); Heat treating the at least one precursor layer stack (11) in a process chamber (13) such that the metals of the first precursor layer (5.1), the at least one chalcogen of the second precursor layer (6), and the metals of the third precursor layer (5.2) are reactively converted to form the compound semiconductor (2).