Journal
ELECTROCHIMICA ACTA
Volume 167, Issue -, Pages 48-54Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2015.03.077
Keywords
Pt nanoparticles; Carbon nanofibers; Electrocatalysis; Hydrogen evolution reaction
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Funding
- National Natural Science Foundation of China (NSFC) [51373154]
- 521 Talent Project of Zhejiang Sci-Tech University
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A facile strategy for the preparation of novel Pt nanoparticles/carbon nanofibers (PtNPs/CNFs) nanostructure by combining the electrospinning and carbonization process is demonstrated. PtNPs were obtained in polyacrylonitrile nanofibers (PANFs) through an in situ reduction as well as electrospinning, and then the PtNPs/PANFs nanostructure was converted to PtNPs/CNFs following a carbonization process. The formation and structure of the synthesized PtNPs/CNFs nanostructure were systematically characterized, suggesting that PtNPs with diameter of ca. 8.8 nm were evenly dispersed in CNFs and nearly no aggregation was observed. The results indicate that the nanostructure possesses high catalytic activity for both hydrogen evolution reaction (HER) and electrochemical sensor, as well as long-term stability for HER, serving as a bifunctional catalyst. The present investigations provide a general route for the fabrication of novel electrocatalyst, which may also be extended to synthesize other metal nanoparticles/CNFs nanostructures. (C) 2015 Elsevier Ltd. All rights reserved.
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