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Nano Research

, Volume 4, Issue 1, pp 124–130 | Cite as

Preparation, characterization, and electrocatalytic performance of graphene-methylene blue thin films

  • Dan Wang
  • Yanguang Li
  • Panitat Hasin
  • Yiying WuEmail author
Research Article

Abstract

We report a general method to graft aromatic molecules onto graphene thin film electrodes through a simple immersion process. Large-area electroactive graphene thin films grafted with methylene blue (MB) have been developed as electrocatalytic electrodes for the oxidation of β-nicotinamide adenine dinucleotide (NADH). The oxidation of NADH starts from −0.08 V (vs. Ag/AgCl) at the graphene-MB thin film electrodes, showing a decrease of 530 mV in overpotential compared to a Ti metal electrode. The graphene-MB thin films have promising applications in biosensors and biofuel cells due to their ability to promote NADH electron transfer reaction.

Keywords

Graphene electrocatalysis methylene blue β-nicotinamide adenine dinucleotide (NADH) 

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Supplementary material

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Copyright information

© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Dan Wang
    • 1
  • Yanguang Li
    • 1
  • Panitat Hasin
    • 1
  • Yiying Wu
    • 1
    Email author
  1. 1.Department of ChemistryThe Ohio State UniversityColumbusUSA

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