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Air stable organic-inorganic nanoparticles hybrid solar cells

United States Patent

September 29, 2015
View the Complete Patent at the US Patent & Trademark Office
A solar cell includes a low work function cathode, an active layer of an organic-inorganic nanoparticle composite, a ZnO nanoparticle layer situated between and physically contacting the cathode and active layers; and a transparent high work function anode that is a bilayer electrode. The inclusion of the ZnO nanoparticle layer results in a solar cell displaying a conversion efficiency increase and reduces the device degradation rate. Embodiments of the invention are directed to novel ZnO nanoparticles that are advantageous for use as the ZnO nanoparticle layers of the novel solar cells and a method to prepare the ZnO nanoparticles.
Qian; Lei (Gainesville, FL), Yang; Jihua (Minneapolis, MN), Xue; Jiangeng (Gainesville, FL), Holloway; Paul H. (Gainesville, FL)
13/ 254,929
March 5, 2010
This invention was made with government support under grant numbers W911NF-07-1-0545 and DE-FG36-08GO18020 awarded by the Army Research Office and the Department of Energy respectively. The government has certain rights to this invention. CROSS-REFERENCE TO RELATED APPLICATIONS This application is the U.S. national stage application of international Patent Application No. PCT/US2010/026320, filed Mar. 5, 2010, which claims the benefit of U.S. Provisional Application Ser. No. 61/158,189, filed Mar. 6, 2009, the disclosures of which are hereby incorporated by reference in their entireties, including any figures, tables and drawings.