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HIGH EFFICIENCY SMALL MOLECULE TANDEM PHOTOVOLTAIC DEVICES

United States Patent Application

20160254470
A1
View the Complete Application at the US Patent & Trademark Office
A high efficiency small molecule tandem solar cell is disclosed. The tandem cell may include a first subcell comprising a first photoactive region and a second subcell comprising a second photoactive region. The first and second photoactive regions are designed to minimize spectral overlap and maximize photocurrent. The device may further include an interconnecting layer, disposed between the first subcell and the second subcell, that is at least substantially transparent.
Forrest, Stephen R. (Ann Arbor, MI), Che, Xiaozhou (Ann Arbor, MI), Xiao, Xin (Ann Arbor, MI), Zimmerman, Jeramy (Golden, CO)
15/ 030,152
October 27, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002] This invention was made with U.S. Government support under Contract Nos. DE-EE0005310 and DE-SC0000957 awarded by the U.S. Department of Energy. The government has certain rights in the invention.