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作者 : Guo SJ ;   Dong SJ ;   Wang EK ;  
关键词 : TEMPLATE-FREE METHOD;METHANOL FUEL-CELLS;CARBON NANOTUBES;PLATINUM NANOPARTICLES;HORSERADISH-PEROXIDASE;CONDUCTING POLYMER;HYDROGEN-PEROXIDE;SOL-GEL;RAPID SYNTHESIS;HOLLOW SPHERES;
出版者 : SMALL
ISN : 1613-6810
出版年 : 2009
卷 : 5
期 : 16
起始页码 : 1869
终止页码 : 1876
语种 : en
摘要 : 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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