Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 112, Issue 35, Pages 13372-13377Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp804484f
Keywords
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Funding
- National Natural Science Foundation of China [20575064, 20675076]
- Foundation of China [2007AA061501]
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A very simple and effective wet chemical route to direct synthesis of well-dispersed Pt nanoparticles with urchinlike morphology is proposed, which was carried out by simply mixing H2PtCl6 aqueous solution and poly(vinyl pyrrolidone) with the initial molar ratios of 1:3.5 kept constant at 30 degrees C for 3 days in the presence of formic acid. As-prepared urchinlike Pt nanostructures showed excellent electrocatalytic activity toward the reduction of dioxygen and oxidation of methanol and could be used as a promising nanoelectrocatalyst.
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