Graphene is a two-dimensional structure consisting of sp2-hybridized carbons with one-atom thickness. Because of its excellent thermal, mechanical, electronic and optical properties, graphene has shown promising performance in sensors, batteries, transparent conductors and biological applications. To synthesize graphene materials, many methods have been reported including chemical vapor deposition, the Scotch-tape exfoliation and chemical method involving reduction of graphene oxide (GO) by strong reductants. Our interest in graphenic materials focuses on developing a method to produce graphene via an industrial-feasible, scalable process. The strategy is to exfoliate commercial graphite powder with the aid of polymer intercalation under sonication.
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