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ENHANCEMENT OF ORGANIC PHOTOVOLTAIC CELL OPEN CIRCUIT VOLTAGE USING ELECTRON/HOLE BLOCKING EXCITON BLOCKING LAYERS

United States Patent Application

20160308135
A1
View the Complete Application at the US Patent & Trademark Office
The present disclosure relates to photosensitive optoelectronic devices comprising at least one of an electron blocking or hole blocking layer. Further disclosed are methods of increasing power conversion efficiency in photosensitive optoelectronic devices using at least one of an electron blocking or hole blocking layer. The electron blocking and hole blocking layers presently disclosed may reduce electron leakage current by reducing the dark current components of photovoltaic cells. This work demonstrates the importance of reducing dark current to improve power conversion efficiency of photovoltaic cells.
FORREST, Stephen R. (Ann Arbor, MI), LI, Ning (Yorktown Heights, NY)
THE REGENTS OF THE UNIVERSITY OF MICHIGAN (Ann Arbor MI)
14/ 942,170
November 16, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002] This invention was made with U.S. Government support under FA9550-07-1-0364 awarded by the U.S. Air Force Office of Scientific Research, and DE-FG36-08GO18022 awarded by the U.S. Department of Energy. The government has certain rights in the invention.