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Issue 13, 2012
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Controllable selective exfoliation of high-quality graphene nanosheets and nanodots by ionic liquid assisted grinding

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Abstract

Bulk quantities of graphene nanosheets and nanodots have been selectively fabricated by mechanical grinding exfoliation of natural graphite in a small quantity of ionic liquids. The resulting graphene sheets and dots are solvent free with low levels of naturally absorbed oxygen, inherited from the starting graphite. The sheets are only two to five layers thick. The graphene nanodots have diameters in the range of 9–29 nm and heights in the range of 1–16 nm, which can be controlled by changing the processing time.

Graphical abstract: Controllable selective exfoliation of high-quality graphene nanosheets and nanodots by ionic liquid assisted grinding

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Publication details

The article was received on 18 Nov 2011, accepted on 22 Dec 2011 and first published on 04 Jan 2012


Article type: Communication
DOI: 10.1039/C2CC17185F
Citation: Chem. Commun., 2012,48, 1877-1879
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    Controllable selective exfoliation of high-quality graphene nanosheets and nanodots by ionic liquid assisted grinding

    N. G. Shang, P. Papakonstantinou, S. Sharma, G. Lubarsky, M. Li, D. W. McNeill, A. J. Quinn, W. Zhou and R. Blackley, Chem. Commun., 2012, 48, 1877
    DOI: 10.1039/C2CC17185F

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