Liquid Phase Production of Graphene by Exfoliation of Graphite in Surfactant/Water Solutions

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Production of Graphene by Liquid-Phase Exfoliation of Intercalated Graphite

1 Division of Functional Materials and Nano-Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China 2 School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315201, China 3 National Institute for Materials Sciences, Tsukuba 305-0047, Japan 4 Department of Physics and Astronomy, University of North Carolina at ...

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High-yield production of graphene by liquid-phase exfoliation of graphite.

Fully exploiting the properties of graphene will require a method for the mass production of this remarkable material. Two main routes are possible: large-scale growth or large-scale exfoliation. Here, we demonstrate graphene dispersions with concentrations up to approximately 0.01 mg ml(-1), produced by dispersion and exfoliation of graphite in organic solvents such as N-methyl-pyrrolidone. Th...

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Liquid-phase Exfoliation of Graphite to Produce High-quality Graphene

Graphene has attracted intense interest due to its exceptional physical and chemical properties as well as its wide potential applications. For applications of two-dimensional graphene, commercially viable sources are necessary. Liquid-phase exfoliation graphite is one of the most promising economical mothed for the mass production of graphene. A number of methods have been developed to achieve...

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Field emission from few-layer graphene nanosheets produced by liquid phase exfoliation of graphite.

Graphene nanosheets have been synthesized from commercial expandable graphite by heating in a microwave oven and dispersing in ethanol by ultrasonication. Scanning and transmission electron microscopy and electron energy-loss spectroscopy and atomic force microscope showed that the nanosheets were about 2 nm in thickness and 10 microm in diameter. The field emission of the graphene sheets has b...

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Surfactant mediated liquid phase exfoliation of graphene

Commercialization of graphene based applications inevitably requires cost effective mass production. From the early days of research on graphene, direct liquid phase exfoliation (LPE) of graphite has been considered as the most promising strategy to produce high-quality mono or few-layer graphene sheets in solvent dispersion forms. Substantial success has been achieved thus far in the LPE of gr...

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ژورنال

عنوان ژورنال: Journal of the American Chemical Society

سال: 2009

ISSN: 0002-7863,1520-5126

DOI: 10.1021/ja807449u