Issue 13, 2012

Controllable selective exfoliation of high-quality graphenenanosheets and nanodots by ionic liquid assisted grinding

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

Supplementary files

Article information

Article type
Communication
Submitted
18 Nov 2011
Accepted
22 Dec 2011
First published
04 Jan 2012

Chem. Commun., 2012,48, 1877-1879

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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