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Solution-Phase Inclusion of Silver Into Chalcogenide Semiconductor Inks

United States Patent Application

20180102455
A1
View the Complete Application at the US Patent & Trademark Office
Silver-containing absorbers for photovoltaic devices and techniques for fabrication thereof are provided. In one aspect, a method of forming an ink includes: mixing a silver halide and a solvent to form a first solution; mixing a metal, sulfur, and the solvent to form a second solution; combining the first solution and the second solution to form a precursor solution; and adding constituent components for an absorber material to the precursor solution to form the ink. Methods of forming an absorber film, a photovoltaic device, and the resulting photovoltaic device are also provided.
ANTUNEZ, PRISCILLA D. (TARRYTOWN, NY), GERSHON, TALIA S. (WHITE PLAINS, NY), HAIGHT, RICHARD A. (MAHOPAC, NY), TODOROV, TEODOR K. (YORKTOWN HEIGHTS, NY)
15/ 287,087
October 6, 2016
STATEMENT OF GOVERNMENT RIGHTS [0001] This invention was made with Government support under Contract number DE-EE0006334 awarded by Department of Energy. The Government has certain rights in this invention.