MODIFIED BAND GAP WINDOW LAYER FOR A CIGS ABSORBER CONTAINING PHOTOVOLTAIC CELL AND METHOD OF MAKING THEREOF
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United States of America Patent
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Issued Date -
Apr 19, 2012
app pub date -
Oct 19, 2010
filing date -
Oct 19, 2010
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Abstract
A photovoltaic device includes a substrate, a first electrode layer over the substrate, a first compound semiconductor layer including copper, indium, gallium and selenium over the first electrode layer, a second compound semiconductor layer including copper, indium, and sulfur on the first compound semiconductor layer, and a second electrode layer over the second compound semiconductor layer.
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