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Chirality-based separation of carbon nanotubes

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A mixture of carbon nanotubes is separated into fractions that are enriched with a desired chirality by exposing a solution or suspension of the carbon nanotubes to a separation medium. A portion of the mixture forms complexes with, and becomes attached to, the separation medium. Exposure to other reagents results in dissociation of the complexes and release of the nanotubes from the separation medium.
Doorn, Stephen K. (Los Alamos, NM), O'Connell, Michael J. (San Jose, CA), Densmore, Crystal G. (Los Alamos, NM), Wang, Hsing-lin (Los Alamos, NM)
The Regents of the University of California
11/ 639,937
December 14, 2006
STATEMENT REGARDING FEDERAL RIGHTS [0002] This invention was made with government support under Contract No. DE-AC51-06NA25396 awarded by the U.S. Department of Energy. The government has certain rights in the invention.