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MULTIJUNCTION ORGANIC PHOTOVOLTAICS INCORPORATING SOLUTION AND VACUUM DEPOSITED ACTIVE LAYERS

United States Patent Application

20150207088
A1
View the Complete Application at the US Patent & Trademark Office
There is disclosed an organic photovoltaic device comprising at least one first subcell comprising at least one first small molecular weight material deposited by solution processing, and at least one second subcell comprising a weight at least one second small molecular material deposited by vacuum evaporation. Also disclosed herein is a method for preparing an organic photovoltaic device comprising at least one first subcell comprising at least one first small molecular weight material and at least one second subcell comprising at least one second small molecular weight material, the method comprising depositing at least one first small weight material by solution processing; and depositing at least one second small weight material by vacuum evaporation.
Forrest, Stephen R. (Ann Arbor, MI), Lassiter, Brian (San Francisco, CA)
14/ 414,933
July 19, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002] This invention was made with U.S. Government support under Contract No. FA9550-10-1-0339, awarded by the Air Force Office of Scientific Research and DE-EE0005310 awarded by the U. S. Department of Energy. The government has certain rights in the invention.