Journal
SMALL
Volume 5, Issue 16, Pages 1869-1876Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.200900190
Keywords
carbon nanotubes; electrochemical devices; nanoparticles; platinum; polyaniline
Categories
Funding
- National Natural Science Foundation of China [20675076, 20735003, 20820102037]
- 973 Project [2009CB930100]
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A simple and facile procedure to synthesize a novel hybrid nanoelectrocatalyst based on polyaniline (PANI) nanofiber-supported supra-high density Pt nanoparticles (NPs) or Pt/Pd hybrid NPs without prior PANI nanofiber functionalization at room temperature is demonstrated. This represents a new type of ID hybrid nanoelectrocatalyst with several important benefits. First, the procedure is very simple and can be performed at room temperature using commercially available reagents without the need for templates and surfactants. Second, ultra-high density small bare Pt NPs or Pt/Pd hybrid NPs are grown directly onto the surface of the PANI nanofiber, without using any additional linker. Most importantly, the present PANI nanofiber-supported supra-high density Pt NPs or Pt/Pd hybrid NPs can be used as a signal enhancement element for constructing electrochemical devices with high performance.
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