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Issue 4, 2010
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Facile and controllable electrochemical reduction of graphene oxide and its applications

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Abstract

Graphene oxide is electrochemically reduced which is called electrochemically reduced graphene oxide (ER-G). ER-G is characterized with scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, and X-ray diffraction. The oxygen content is significantly decreased and the sp2 carbon is restored after electrochemical reduction. ER-G exhibits much higher electrochemical capacitance and cycling durability than carbon nanotubes (CNTs) and chemically reduced graphene; the specific capacitance measured with cyclic voltammetry (20 mV s−1) is ∼165, ∼86, and ∼100 F g−1 for ER-G, CNTs, and chemically reduced graphene, respectively. The electrochemical reduction of oxygen and hydrogen peroxide are greatly enhanced on ER-G electrodes as compared with CNTs. ER-G has shown promising features for applications in energy storage, biosensors, and electrocatalysis.

Graphical abstract: Facile and controllable electrochemical reduction of graphene oxide and its applications

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Publication details

The article was received on 02 Sep 2009, accepted on 19 Oct 2009 and first published on 20 Nov 2009


Article type: Paper
DOI: 10.1039/B917975E
Citation: J. Mater. Chem., 2010,20, 743-748
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    Facile and controllable electrochemical reduction of graphene oxide and its applications

    Y. Shao, J. Wang, M. Engelhard, C. Wang and Y. Lin, J. Mater. Chem., 2010, 20, 743
    DOI: 10.1039/B917975E

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