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Process for making surfactant capped metal oxide nanocrystals, and products produced by the process

United States Patent

January 10, 2006
View the Complete Patent at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
Disclosed is a process for making surfactant capped nanocrystals of metal oxides which are dispersable in organic solvents. The process comprises decomposing a metal cupferron complex of the formula M.sup.XCup.sub.X, wherein M is a metal, and Cup is a N-substituted N-Nitroso hydroxylamine, in the presence of a coordinating surfactant, the reaction being conducted at a temperature ranging from about 150 to about C., for a period of time sufficient to complete the reaction. Also disclosed are compounds made by the process.
Alivisatos; A. Paul (Berkeley, CA), Rockenberger; Joerg (Berkeley, CA)
The Regents of the University of California (Oakland, CA)
09/ 721,126
November 22, 2000
STATEMENT REGARDING FEDERAL SPONSORSHIP The invention described herein arose in the course of, or under, contract No. DE-AC03-SF00098 between the United States Department of Energy and the Regents, University of California for the operation of the Ernest Orlando Lawrence Berkeley National Laboratory.