Electrodeposition of thin-film cells containing non-toxic elements
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United States of America Patent
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Sep 20, 2016
Grant Date -
Aug 20, 2015
app pub date -
Apr 29, 2015
filing date -
Aug 31, 2010
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Abstract
A structure and method of making a thin-film solar cell is provided. A thin-film solar cell includes a substrate, absorber layer and a buffer layer. The absorber layer is deposited by a single-step bulk electrochemical process, or a multi-layer electrochemical process. The buffer layer is deposited by an electrochemical deposition process such as a multi-layer deposition or an atomic layer deposition. The absorber and buffer layers are non-toxic materials which can include sulfur incorporated during the deposition process or incorporated after deposition by an anneal step.
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