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Systems and methods for producing low work function electrodes

United States Patent

July 7, 2015
View the Complete Patent at the US Patent & Trademark Office
According to an exemplary embodiment of the invention, systems and methods are provided for producing low work function electrodes. According to an exemplary embodiment, a method is provided for reducing a work function of an electrode. The method includes applying, to at least a portion of the electrode, a solution comprising a Lewis basic oligomer or polymer; and based at least in part on applying the solution, forming an ultra-thin layer on a surface of the electrode, wherein the ultra-thin layer reduces the work function associated with the electrode by greater than 0.5 eV. According to another exemplary embodiment of the invention, a device is provided. The device includes a semiconductor; at least one electrode disposed adjacent to the semiconductor and configured to transport electrons in or out of the semiconductor.
Kippelen; Bernard (Decatur, GA), Fuentes-Hernandez; Canek (Atlanta, GA), Zhou; Yinhua (Atlanta, GA), Kahn; Antoine (Princeton, NJ), Meyer; Jens (Princeton, NJ), Shim; Jae Won (Atlanta, GA), Marder; Seth R. (Atlanta, GA)
14/ 117,965
May 16, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under the following Grant Numbers: DMR-0120967, awarded by the National Science Foundation; N00014-11-1-0313, awarded by the US Navy; N00014-04-1-0120, awarded by the US Navy; and DE-SC0001084, awarded by the US Department of Energy. The Government has certain rights in the invention.