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EXCITON MANAGEMENT IN ORGANIC PHOTOVOLTAIC MULTI-DONOR ENERGY CASCADES

United States Patent Application

20160254471
A1
View the Complete Application at the US Patent & Trademark Office
Disclosed herein are organic photosensitive optoelectronic devices, such as organic photovoltaics, including a photoactive region, wherein the photo-active region contains an energy-cascading multilayer donor region. The energy-cascading multilayer donor region may drive exciton transfer from an anode to a dissociating interface while reducing exciton quenching, improving overlap with the solar spectrum, and minimizing polaron pair recombination, resulting in improved device performance.
Forrest, Stephen R. (Ann Arbor, MI), Griffith, Olga L. (Saline, MI)
15/ 030,160
October 27, 2014
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. The government has certain rights in the invention.