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Oriented Arrays of Graphene in a Polymer Matrix by in situ Reduction of Graphite Oxide Nanosheets

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  • The authors thank Scott Gilje of Northrop Grumman Space Technology for providing the graphite oxide used. The authors also thank Dr. Alexander Zakhidov and Prof. George Malliaras (Cornell University) for their assistance with conductivity measurements. S.A. acknowledges the Department of Science and Technology, Govt. of India for providing a BOYSCAST Fellowship. E.P.G. acknowledges the support of Award No. KUS-C1-018-02, made by King Abdullah University of Science and Technology (KAUST).

Abstract

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Graphite oxideNafion hybrids with a high degree of alignment are cast from aqueous solution in the absence of any external field and reduced in situ by exposure to hydrazine to produce grapheneNafion hybrids (see image). Dramatic enhancement of electrical conductivity indicates sufficient accessibility of the inorganic nanosheets to the reducing agent, through the nanochannels formed by the polymeric ionic domains.

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