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Journal of Materials Science

, Volume 43, Issue 18, pp 6285–6288 | Cite as

Preparation and characterization of Pt-polypyrrole nanocomposite for electrochemical reduction of oxygen

  • Liu Jiwei
  • Qiu Jingxia
  • Yuqing MiaoEmail author
  • Jianrong Chen
Article

Abstract

An easy and simple method of one-step reaction was employed to synthesize the platinum-adsorbed polypyrrole nanocomposite (Pt-PPy). The prepared nanocomposite materials were characterized using UV–vis absorption spectroscopy, scanning electron microscopy, Fourier transform infrared spectroscopy, thermogravimetric analysis, and cyclic voltammetry. Polypyrrole within nanocomposite could crosslink to improve its stability on the Au substrates. O2 reduction was performed at Au electrodes modified Pt-PPy in O2-saturated 0.5 M H2SO4 solution. The results clearly show that modification of Pt-PPy nanocomposite results in the enhancement of the electrocatalytic reduction of oxygen. The nanocomposite may provide a novel electrode material for application in fuel cells and oxygen sensors.

Keywords

Oxygen Reduction Reaction Polypyrrole Platinum Nanoparticles Hexadecyl Trimethyl Ammonium Bromide K2PtCl6 

Notes

Acknowledgements

This material is based upon work funded by the National Natural Science Foundation of China (Grant No. 90406016), the Scientific Program of Zhejiang province in China (No. 2005C21099), and Zhejiang Province Natural Science Foundation.

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Liu Jiwei
    • 1
  • Qiu Jingxia
    • 1
  • Yuqing Miao
    • 1
  • Jianrong Chen
    • 1
  1. 1.Zhejiang Key Laboratory for Reactive Chemistry on Solid SurfacesCollege of Chemistry and Life Science, Zhejiang Normal UniversityJinhuaChina

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