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Increased open-circuit-voltage organic photosensitive devices

United States Patent Application

20070290195
A1
View the Complete Application at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
A photosensitive device includes a first organic material and a second organic material forming a donor-acceptor heterojunction electrically connected between an anode and a cathode, where the first organic material and second organic material each have a Franck-Condon Shift of less than 0.5 eV. Preferably, one or both of the first organic material and the second organic material have Franck-Condon Shifts of less than 0.2 eV, or better yet, less than 0.1 eV.
Forrest, Stephen (Princeton, NJ)
11/ 207,791
August 22, 2005
UNITED STATES GOVERNMENT RIGHTS [0001] This invention was made with U.S. Government support under Contract No.339-6002 awarded by the U.S. Air Force Office of Scientific Research and under Contract No. 341-4141 awarded by U.S. Department of Energy, National Renewable Energy Laboratory. The government has certain rights in this invention.