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Methods for synthesizing metal oxide nanowires

United States Patent

9,409,141
August 9, 2016
View the Complete Patent at the US Patent & Trademark Office
A method of synthesizing a metal oxide nanowire includes the steps of: combining an amount of a transition metal or a transition metal oxide with an amount of an alkali metal compound to produce a mixture; activating a plasma discharge reactor to create a plasma discharge; exposing the mixture to the plasma discharge for a first predetermined time period such that transition metal oxide nanowires are formed; contacting the transition metal oxide nanowires with an acid solution such that an alkali metal ion is exchanged for a hydrogen ion on each of the transition metal oxide nanowires; and exposing the transition metal oxide nanowires to the plasma discharge for a second predetermined time period to thermally anneal the transition metal oxide nanowires. Transition metal oxide nanowires produced using the synthesis methods described herein are also provided.
Sunkara; Mahendra Kumar (Louisville, KY), Kumar; Vivekanand (Louisville, KY), Kim; Jeong H. (Louisville, KY), Clark; Ezra Lee (Louisville, KY)
University of Louisville Research Foundation (Louisville, KY)
13/ 183,191
20130017145
July 14, 2011
GOVERNMENT INTEREST This invention was made with government support under Grant Nos. DE-FG02-07ER46375, DE-FG36-05GO85013, and DE-EE0003206 awarded by the Department of Energy, and by Grant No. IIP-10472175 awarded by the National Science Foundation. The government has certain rights in the invention.