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Non-fullerene electron acceptors for organic photovoltaic devices

United States Patent

9,809,594
November 7, 2017
View the Complete Patent at the US Patent & Trademark Office
Non-fullerene electron acceptors for highly efficient organic photovoltaic devices are described. The non-fullerene electron acceptors have an extended, rigid, .pi.-conjugated electron-deficient framework that can facilitate exciton and charge derealization. The non-fullerene electron acceptors can physically mix with a donor polymer and facilitate improved electron transport. The non-fullerene electron acceptors can be incorporated into organic electronic devices, such as photovoltaic cells.
Jenekhe; Samson A. (Seattle, WA), Li; Haiyan (Seattle, WA), Earmme; Taeshik (Seattle, WA), Ren; Guoqiang (Seattle, WA)
UNIVERSITY OF WASHINGTON THROUGH ITS CENTER FOR COMMERCIALIZATION (Seattle, WA)
14/ 917,553
20170057962
September 10, 2014
STATEMENT OF GOVERNMENT LICENSE RIGHTS This invention was made with Government support under N00014-11-1-0317, awarded by the Office of Naval Research; CBET-1435912, awarded by the National Science Foundation; and DE-FG02-07ER46467, awarded by the Department of Energy. The Government has certain rights in the invention.