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Graphite-based photovoltaic cells

United States Patent

December 28, 2010
View the Complete Patent at the US Patent & Trademark Office
The present invention uses lithographically patterned graphite stacks as the basic building elements of an efficient and economical photovoltaic cell. The basic design of the graphite-based photovoltaic cells includes a plurality of spatially separated graphite stacks, each comprising a plurality of vertically stacked, semiconducting graphene sheets (carbon nanoribbons) bridging electrically conductive contacts.
Lagally; Max (Madison, WI), Liu; Feng (Salt Lake City, UT)
Wisconsin Alumni Research Foundation (Madison, WI), University of Utah Research Foundation (Salt Lake City, UT)
11/ 685,439
March 13, 2007
STATEMENT OF GOVERNMENT RIGHTS This invention was made with United States government support awarded by the following agency: Department of Energy under grant number DE-FG02-03ER46028. The United States government has certain rights in this invention.