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Anal Chem 2009, 81:5603. 56. Pumera M: Electrochemistry of graphene: new horizons for sensing and energy storage. Chem Rec 2009, 9:211. doi:10.1186/1556-276X-7-161 Cite this article as: Wang et al.: Comparative studies on single-layer reduced graphene oxide films obtained by electrochemical reduction and hydrazine vapor reduction. Nanoscale Research Letters 2012 7:161. Submit your manuscript to a journal and beneﬁt from: 7 Convenient online submission 7 Rigorous peer review 7 Immediate publication on acceptance 7 Open access: articles freely available online 7 High visibility within the ﬁeld 7 Retaining the copyright to your article Submit your next manuscript at 7 springeropen.com