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HEMATITE-BASED PHOTOANODES WITH MANGANESE, COBALT, AND NICKEL ADDITIVES

United States Patent Application

20160355935
A1
View the Complete Application at the US Patent & Trademark Office
A photoanode, photochemical cell and methods of making are disclosed. The photoanode includes an electrode at least partially formed of hematite and having a surface doped with at least one of nickel, cobalt and manganese. The electrode surface may be doped with nickel. The surface may be doped with cobalt. The electrode surface may be doped with manganese. An aqueous solution may surround the photoanode and a cathode, the photoanode being configured to generate holes upon light absorption and the cathode being configured to emit electrons to the aqueous solution. A voltage source may be electrically coupled between the photoanode and the cathode.
Carter, Emily Ann (Belle Mead, NJ), Liao, Peilin (Princeton, NJ), Keith, John Andrew (Plainsboro, NJ)
THE TRUSTEES OF PRINCETON UNIVERSITY (Princeton NJ)
13/ 666,662
November 1, 2012
UNITED STATES GOVERNMENT RIGHTS [0002] This invention was made with government support under Grant No. FA9550-10-1-0162 awarded by the U.S. Air Force Office of Scientific Research (AFOSR) and Grant No. DE-SC0002120 awarded by the Department of Energy. The government has certain rights in this invention.