期刊
RSC ADVANCES
卷 2, 期 3, 页码 1119-1125出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ra00308a
关键词
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资金
- Ministry of Knowledge and Economy, Korea [2008-N-FC08-P-01-3-030, 20094020100010]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20094020100010] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Structure-controlled Pt-based catalysts have been known to exhibit improved electrocatalytic activities due to particularly modulated surface structures favorable for hydrogen oxidation or oxygen reduction reactions. We prepare octahedral Pt-Pd alloy nanoparticles such as Pt3Pd1, Pt1Pd1, Pt1Pd3 by reducing metal ions with glycerol as a reducing agent in an aqueous solution. The octahedral Pt-Pd nanoparticles are well-defined alloy nanostructures with dominant {111} facets. Among them, the octahedral Pt3Pd1 shows excellent electrochemical properties i.e., much enhanced electrocatalytic activity and stability for oxygen reduction reactions in comparison with conventional Pt-based catalysts.
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