SOLVENT-BASED METHODS FOR PRODUCTION OF GRAPHENE NANORIBBONS
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United States of America Patent
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Mar 23, 2017
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Sep 23, 2016
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Sep 14, 2011
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Abstract
Embodiments of the present invention provide methods of preparing functionalized graphene nanoribbons by (1) exposing a plurality of carbon nanotubes to an alkali metal source in the presence of an aprotic solvent, wherein the exposing opens the carbon nanotubes; and (2) exposing the opened carbon nanotubes to an electrophile to form functionalized graphene nanoribbons. Such methods may also include a step of exposing the opened carbon nanotubes to a protic solvent in order to quench any reactive species on the opened carbon nanotubes. Further embodiments of the present invention pertain to graphene nanoribbons formed by the methods of the present invention. Additional embodiments of the present invention pertain to nanocomposites and fibers containing the aforementioned graphene nanoribbons.
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