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Carbon nanotubes and methods of forming same at low temperature

United States Patent

9,637,385
May 2, 2017
View the Complete Patent at the US Patent & Trademark Office
In one aspect of the invention, a method for growth of carbon nanotubes includes providing a graphitic composite, decorating the graphitic composite with metal nanostructures to form graphene-contained powders, and heating the graphene-contained powders at a target temperature to form the carbon nanotubes in an argon/hydrogen environment that is devoid of a hydrocarbon source. In one embodiment, the target temperature can be as low as about 150.degree. C. (.+-.5.degree. C.).
Biris; Alexandru S. (Little Rock, AR), Dervishi; Enkeleda (Los Alamos, NM)
BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSAS (Little Rock, AR)
14/ 531,543
20150125380
November 3, 2014
STATEMENT AS TO RIGHTS UNDER FEDERALLY-SPONSORED RESEARCH This invention was made with government support under EPS-1003970 awarded by the National Science Foundation VICTER Project, and under DE-FG36-06G086072 awarded by the Department of Energy. The government has certain rights in the invention.