TANDEM SOLAR CELL WITH IMPROVED TUNNEL JUNCTION
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United States of America Patent
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Issued Date -
Dec 20, 2012
app pub date -
Jun 15, 2011
filing date -
Jun 15, 2011
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Abstract
A photovoltaic device and method for fabricating a photovoltaic device include forming a light-absorbing semiconductor structure on a transmissive substrate including a first doped layer and forming an intrinsic layer on the first doped layer, wherein the intrinsic layer includes an amorphous material. The intrinsic layer is treated with a plasma to form seed sites. A first tunnel junction layer is formed on the intrinsic layer by growing microcrystals from the seed sites.
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