BACK CONTACT TO FILM SILICON ON METAL FOR PHOTOVOLTAIC CELLS
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United States of America Patent
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Feb 5, 2014
filing date -
Aug 6, 2009
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Abandoned
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Abstract
Systems and Methods for back contact to film silicon on metal for photovoltaic cells are provided. In one embodiment, a method for creating a conductive pathway in a photovoltaic cell comprises: obtaining a layered photovoltaic device comprising: a metal substrate with a crystal orientation; a crystal semiconductor layer with the crystal orientation; and a heteroepitaxially grown buffer layer positioned between the substrate and the crystal semiconductor layer; and forming one or more conductive pathways between the crystal semiconductor layer and the metal substrate, the pathways being through at least a portion of the buffer layer.
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