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PMo12-functionalized Graphene nanosheet-supported PtRu nanocatalysts for methanol electro-oxidation

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Abstract

Graphene nanosheets, synthesized by a modified Hummers method, have been functionalized by PMo12, and used as the supports of the PtRu nanoparticles. The electrocatalytic properties of the resultant nanocatalysts (PtRu/PMo12-Graphene) for methanol electro-oxidation have been evaluated by cyclic voltammetry and chronoamperometry. The micrograph and the elemental composition have also been investigated by transmission electron microscopy and energy dispersive X-ray spectroscopy. The results suggest that the addition of PMo12 benefits the high dispersion of graphene nanosheets in the water and the uniform dispersion of the PtRu nanoparticles on the graphene nanosheets, and the PtRu/PMo12-Graphene catalysts have higher electrocatalytic activity and better electrochemical stability for methanol oxidation compared to the PtRu/Graphene catalysts.

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Acknowledgment

This work was financially supported by NSFC (20975033), the Program for Fu-Rong Scholar in Hunan Province, China and the Fundamental Research Funds for the Central Universities, China (531107040002).

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Authors and Affiliations

  1. State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, People’s Republic of China

    Haiyong Li, Xiaohua Zhang, Haili Pang, Changting Huang & Jinhua Chen

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  1. Haiyong Li
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  2. Xiaohua Zhang
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  4. Changting Huang
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  5. Jinhua Chen
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Correspondence to Xiaohua Zhang or Jinhua Chen.

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Li, H., Zhang, X., Pang, H. et al. PMo12-functionalized Graphene nanosheet-supported PtRu nanocatalysts for methanol electro-oxidation. J Solid State Electrochem 14, 2267–2274 (2010). https://doi.org/10.1007/s10008-010-1067-z

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  • DOI: https://doi.org/10.1007/s10008-010-1067-z

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