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    • 32. 发明申请
    • MOISTURE RESISTANT PHOTOVOLTAIC DEVICES WITH ELASTOMERIC, POLYSILOXANE PROTECTION LAYER
    • 具有弹性体,多晶硅保护层的防潮光伏器件
    • WO2011084806A1
    • 2011-07-14
    • PCT/US2010/061584
    • 2010-12-21
    • DOW GLOBAL TECHNOLOGIES INC.POPA, Paul J.BOVEN, Michelle L.LYSENKO, ZenonMILLS, Michael E.LOPEZ, Leonardo C.
    • POPA, Paul J.BOVEN, Michelle L.LYSENKO, ZenonMILLS, Michael E.LOPEZ, Leonardo C.
    • H01L31/0203H01L31/048H01L51/44
    • H01L31/0749H01L31/048Y02E10/541
    • Improved protection systems for CIGS-based microelectronic devices of the type incorporating electric conductor(s) such as an electronic collection grid. In one aspect, the present invention relates to a photovoltaic device having a light incident surface and a backside surface. The device includes a chalcogenide-containing photovoltaic layer comprising at least one of copper, indium and/or gallium. A transparent conductive layer is interposed between the photovoltaic layer and the light incident surface, wherein the transparent conductive layer is electrically coupled to the photovoltaic layer. An electronic collection grid is electrically coupled to the transparent conductive layer and overlying at least a portion of the transparent conductive layer. An elastomeric structure having a light incident surface, said structure overlying at least portions of the electronic collection grid and the transparent conductive layer in a manner such that the light incident surface of the elastomeric structure is spaced apart from a major portion of the conductor, and wherein the elastomeric structure comprises an elastomeric siloxane polymer having a WVTR of at least 0.1 g/m2-day. An optional protective barrier overlies the elastomeric structure. The protection systems of the invention incorporate elastomers with water vapor transmission rates that are atypically high in the context of CIGS-based devices.
    • 改进了包含电导体(例如电子收集网格)类型的基于CIGS的微电子器件的保护系统。 一方面,本发明涉及具有光入射面和背面的光电器件。 该装置包括含硫族化物的光伏层,其包含铜,铟和/或镓中的至少一种。 透明导电层介于光电转换层和光入射表面之间,其中透明导电层电耦合到光伏层。 电子收集栅格电耦合到透明导电层并且覆盖透明导电层的至少一部分。 具有光入射表面的弹性体结构,所述结构以使得弹性体结构的光入射表面与导体的主要部分间隔开的方式覆盖电子收集栅格和透明导电层的至少一部分,以及 其中所述弹性体结构包含具有至少0.1g / m 2·天的WVTR的弹性体硅氧烷聚合物。 可选的保护屏障覆盖弹性体结构。 本发明的保护系统结合具有在基于CIGS的设备的背景下非常高的水蒸汽透过率的弹性体。