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Cited by 2,333

The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.

A Green Approach to the Synthesis of Graphene Nanosheets

Guo, Hui-Lin, Wang, Xian-Fei, Qian, Qing-Yun, Wang, Feng-Bin, Xia, Xing-Hua·2009·ACS Nano
DOI 10.1021/nn900227d
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Abstract

Graphene can be viewed as an individual atomic plane extracted from graphite, as unrolled single-walled carbon nanotube or as an extended flat fullerene molecule. In this paper, a facile approach to the synthesis of high quality graphene nanosheets in large scale through electrochemical reduction of exfoliated graphite oxide precursor at cathodic potentials (completely reduced potential: -1.5 V) is reported. This method is green and fast, and will not result in contamination of the reduced material. The electrochemically reduced graphene nanosheets have been carefully characterized by spectroscopic and electrochemical techniques in comparison to the chemically reduced graphene-based product. Particularly, FTIR spectra indicate that a variety of the oxygen-containing functional groups have been thoroughly removed from the graphite oxide plane via electrochemical reduction. The chemically converted materials are not expected to exhibit graphene's electronic properties because of residual defects. Indeed, the high quality graphene accelerates the electron transfer rate in dopamine electrochemistry (DeltaE(p) is as small as 44 mV which is much smaller than that on a glassy carbon electrode). This approach opens up the possibility for assembling graphene biocomposites for electrocatalysis and the construction of biosensors.

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Metadata

Authors
Guo, H.-L., Wang, X.-F., Qian, Q.-Y., Wang, F.-B., & Xia, X.-H.
Venue
ACS Nano
Publisher
American Chemical Society (ACS)
Published
2009-08-19
Volume
3
Issue
9
Pages
2653-2659
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
DOI
10.1021/nn900227d
OpenAlex
W2084350317
Cited by
2,333
References
40
FWCI
50.56
Type
journal article
Language
en
Open access
closed

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