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Nanocrystal solar cells processed from solution

United States Patent

8,440,906
May 14, 2013
View the Complete Patent at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
A photovoltaic device having a first electrode layer, a high resistivity transparent film disposed on the first electrode, a second electrode layer, and an inorganic photoactive layer disposed between the first and second electrode layers, wherein the inorganic photoactive layer is disposed in at least partial electrical contact with the high resistivity transparent film, and in at least partial electrical contact with the second electrode. The photoactive layer has a first inorganic material and a second inorganic material different from the first inorganic material, wherein the first and second inorganic materials exhibit a type II band offset energy profile, and wherein the photoactive layer has a first population of nanostructures of a first inorganic material and a second population of nanostructures of a second inorganic material.
Alivisatos; A. Paul (Oakland, CA), Gur; Ilan (San Francisco, CA), Milliron; Delia (Menlo Park, CA)
The Regents of the University of California (Oakland, CA)
12/ 083,723
20090217973
October 20, 2006
STATEMENT OF GOVERNMENT SUPPORT The invention described and claimed herein was made in part utilizing funds supplied by the U.S. Department of Energy under Contract No. DE-AC03-76SF00098. The United States has certain rights in this invention.