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ORGANIC OPTOELECTRONICS WITH ELECTRODE BUFFER LAYERS

United States Patent Application

20150207090
A1
View the Complete Application at the US Patent & Trademark Office
There is disclosed an organic optoelectronic device comprising two electrodes in superposed relation comprising an anode and a cathode, at least one donor material and at least one acceptor material located between the two electrodes forming a donor-acceptor heterojunction, an anode buffer layer adjacent to the anode and a cathode buffer layer adjacent to the cathode, and an intermediate layer adjacent to at least one of the anode and cathode buffer layers, wherein when the intermediate layer is adjacent to the anode buffer layer, the intermediate layer is chosen to facilitate the transport of holes to the anode buffer layer, and when the intermediate layer is adjacent to the cathode buffer layer, the intermediate layer is chosen to facilitate the transport of electrons to the cathode buffer layer. Also disclosed are methods of making the same.
Lassiter, Brian (San Francisco, CA), Zimmerman, Jeramy D. (Ann Arbor, MI), Forrest, Stephen R. (Ann Arbor, MI)
14/ 417,893
July 31, 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-SC0000957 awarded by the U.S. Department of Energy. The government has certain rights in the invention.