Double layered transparent conductive oxide for reduced schottky barrier in photovoltaic devices
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United States of America Patent
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Mar 13, 2018
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Jun 22, 2016
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Nov 5, 2012
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Abstract
A device and method for fabricating a photovoltaic device includes forming a double layer transparent conductive oxide on a transparent substrate. The double layer transparent conductive oxide includes forming a doped electrode layer on the substrate, and forming a buffer layer on the doped electrode layer. The buffer layer includes an undoped or p-type doped intrinsic form of a same material as the doped electrode layer. A light-absorbing semiconductor structure includes a p-type semiconductor layer on the buffer layer, an intrinsic layer and an n-type semiconductor layer.
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