Photovoltaic cell usable as a solar cell
    1.
    发明授权
    Photovoltaic cell usable as a solar cell 失效
    可用作太阳能电池的光伏电池

    公开(公告)号:US4366334A

    公开(公告)日:1982-12-28

    申请号:US229524

    申请日:1981-01-29

    IPC分类号: H01L31/04 H01L31/07 H01L31/06

    摘要: The invention relates to a low cost photovoltaic cell, using a minimum thickness layer of semiconductor compounds able to provide the photovoltaic effect and specifically in polycrystalline form. On a molybdenum sheet an auxiliary polycrystalline germanium layer is deposited in order to facilitate subsequent depositions. This is followed by an intermediate polycrystalline layer of gallium aluminum arsenide and an active layer of polycrystalline gallium arsenide. The presence of the intermediate layer with a wider forbidden band than that of the active layer compensates the effect on the efficiency of the limited thickness of the active layer.

    摘要翻译: 本发明涉及一种低成本的光伏电池,其使用能够提供光伏效应并且特别是多晶形式的半导体化合物的最小厚度层。 在钼片上,沉积辅助多晶锗层以便于随后的沉积。 其后是砷化镓铝的中间多晶层和多晶砷化镓的活性层。 具有比有源层更宽的禁带的中间层的存在补偿了有源层的有限厚度的效率的影响。