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ARTICLE WITH BUFFER LAYER

United States Patent Application

20160268451
A1
View the Complete Application at the US Patent & Trademark Office
An article, for example a solar cell, includes a first substrate having a first surface and a second surface. An underlayer is located over the second surface. A first conductive layer is located over the underlayer. An overlayer is located over the first conductive layer. A semiconductor layer is located over the conductive oxide layer. A second conductive layer is located over the semiconductor layer. The first conductive layer can include a conductive oxide and at least one dopant selected from the group consisting of tungsten, molybdenum, niobium, and/or fluorine. The overlayer can include a buffer layer having tin oxide and at least one of zinc, indium, gallium, and magnesium.
Ma, Zhixun (Cheswick, PA), McCamy, James W. (Export, PA), Kabagambe, Benjamin (Pittsburgh, PA), Koram, Kwaku K. (Wexford, PA), Hung, Cheng-Hung (Wexford, PA), Nelis, Gary J. (Pittsburgh, PA)
14/ 963,736
December 9, 2015
NOTICE OF GOVERNMENT SUPPORT [0002] This invention was made with Government support under Contract No. DE-EE0004736 awarded by the Department of Energy. The United States government may have certain rights in this invention.