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Volume 172, 2014
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Electrochemistry of well-defined graphene samples: role of contaminants

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Abstract

We report the electrochemical characterisation of well-defined graphene samples, prepared by mechanical exfoliation. Mechanical exfoliation is the method of choice for high purity graphene samples, despite the inherent complexity of the approach and the small scale of the resultant flakes. However, one important, yet presently unclear area, is the role of adsorbates such as processing residue, on the properties of the graphene layer. We report high resolution microscopic and electrochemical characterisation of a variety of poly(methyl methacrylate) (PMMA) transferred graphene samples, with the explicit aim of investigating the relationship between electrochemical activity and sample purity.

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Publication details

The article was received on 10 Apr 2014, accepted on 12 May 2014 and first published on 12 Aug 2014


Article type: Paper
DOI: 10.1039/C4FD00064A
Citation: Faraday Discuss., 2014,172, 261-272
  • Open access: Creative Commons BY license
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    Electrochemistry of well-defined graphene samples: role of contaminants

    H. V. Patten, M. Velický, N. Clark, C. A. Muryn, I. A. Kinloch and R. A. W. Dryfe, Faraday Discuss., 2014, 172, 261
    DOI: 10.1039/C4FD00064A

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