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    • 10. 发明公开
    • Pin junction photovoltaic device having an i-TYPE a-SiGe semiconductor layer with a maximal point for the Ge content
    • 具有pin结,其包括的i的光伏器件(ASI-Ge)的层,具有用于Ge含量最大点。
    • EP0566972A1
    • 1993-10-27
    • EP93106028.9
    • 1993-04-14
    • CANON KABUSHIKI KAISHA
    • Matsuda, KoichiSano, MasafumiMurakami, Tsutomu
    • H01L31/075
    • H01L31/076H01L31/03765H01L31/065H01L31/075Y02E10/548
    • A pin junction photovoltaic device comprising a substrate and a pin junction semiconductor active layer region disposed on said substrate, said pin junction semiconductor active layer region comprising a p-type semiconductor layer (105) composed of a p-type non-single crystalline semiconductor material, an i-type semiconductor layer composed of an i-type non-single crystalline semiconductor material, and an n-type semiconductor layer (103) composed of an n-type non-single crystalline semiconductor material, characterized in that (a) a buffer layer (118) comprising a non-single crystalline silicon semiconductor material substantially not containing germanium atoms is interposed between said p-type semiconductor layer and said i-type semiconductor layer, (b) a buffer layer (117) comprising a non-single crystalline silicon semiconductor material substantially not containing germanium atoms is interposed between said i-type semiconductor layer and said n-type semiconductor layer, and said i-type semiconductor layer is formed of an amorphous silicon germanium semiconductor material containing the germanium atoms in an amount of 20 to 70 atomic % in the entire region in which the concentration distribution of the germanium atoms in the thickness direction is varied while providing a maximum concentration point.
    • pin结光生伏打器件,包括基片和设置在所述基板的pin结的半导体有源层区,所述pin结的半导体有源层区域包括p型非单晶半导体材料组成的p型半导体层(105) 在n型的非单晶半导体材料构成的i型非单晶半导体材料和n型半导体层(103)组成的i型半导体层,其特征在于DASS(a)一种 包括非单晶硅半导体材料实质上不含有锗原子的缓冲层(118)被插在所述p型半导体层之间和所述I型半导体层,(b)包含非单晶的缓冲层(117) 实质上不含有锗原子的结晶硅半导体材料介于所述i型半导体层和n型半导体层。所述,并且所述 i型半导体层形成包含在整个区域的20〜70原子%的量的锗原子在哪,同时提供最大的厚度方向锗原子的浓度分布是变化的无定形硅锗半导体材料的 集中点。