III-NITRIDE FLIP-CHIP SOLAR CELLS
    18.
    发明申请
    III-NITRIDE FLIP-CHIP SOLAR CELLS 审中-公开
    III-NITRIDE FLIP-CHIP太阳能电池

    公开(公告)号:US20120180868A1

    公开(公告)日:2012-07-19

    申请号:US13279131

    申请日:2011-10-21

    IPC分类号: H01L31/0264 H01L31/18

    摘要: A III-nitride photovoltaic device structure and method for fabricating the III-nitride photovoltaic device that increases the light collection efficiency of the III-nitride photovoltaic device. The III-nitride photovoltaic device includes one or more III-nitride device layers, and the III-nitride photovoltaic device functions by collecting light that is incident on the back-side of the III-nitride device layers. The III-nitride device layers are grown on a substrate, wherein the III-nitride device layers are exposed when the substrate is removed and the exposed III-nitride device layers are then intentionally roughened to enhance their light collection efficiency. The collection of the incident light via the back-side of the device simplifies the fabrication of the multiple junctions in the device. The III-nitride photovoltaic device may include grid-like contacts, transparent or semi-transparent contacts, or reflective contacts.

    摘要翻译: 用于制造III族氮化物光伏器件的III族氮化物光伏器件结构和方法,其增加了III族氮化物光伏器件的光收集效率。 III族氮化物光伏器件包括一个或多个III族氮化物器件层,并且III族氮化物光伏器件通过收集入射在III族氮化物器件层的背面上的光而起作用。 III族氮化物器件层在衬底上生长,其中当除去衬底时,III族氮化物器件层被暴露,然后有意地暴露暴露的III族氮化物器件层以增强它们的光收集效率。 通过设备背面的入射光的收集简化了器件中多个结的制造。 III族氮化物光伏器件可以包括格栅状触点,透明或半透明触点或反射触点。