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HYBRID PLANAR-MIXED HETEROJUNCTION FOR ORGANIC PHOTOVOLTAICS

United States Patent Application

20150349283
A1
View the Complete Application at the US Patent & Trademark Office
Disclosed herein are organic photosensitive optoelectronic devices comprising two electrodes in superposed relation; a mixed photoactive layer located between the two electrodes, wherein the mixed photoactive layer comprises at least one donor material having a HOMO energy and at least one acceptor material having a LUMO energy, wherein the at least one donor material and the at least one acceptor material form a mixed donor-acceptor heterojunction; a photoactive layer adjacent to and interfacing with the mixed photoactive layer, wherein the photoactive layer comprises a material having a LUMO energy within 0.3 eV of the LUMO energy of the at least one acceptor material or a HOMO energy within 0.3 eV of the HOMO energy of the at least one donor material; and a buffer layer adjacent to and interfacing with the mixed photoactive layer.
FORREST, Stephen R. (Ann Arbor,, MI), ZIMMERMAN,, Jeramy, D. (San Francisco,, CA), XIAO, Xin (Ann Arbor, MI)
THE REGENTS OF THE UNIVERSITY OF MICHIGAN (Ann Arbor MI)
14/ 646,154
November 22, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002] This invention was made with U.S. Government support under Contract No. DE-SC0000957 awarded by the U.S. Department of Energy, and under FA9550-110-1-0339 awarded by the Air Force Office of Scientific Research. The government has certain rights in the invention.