期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 119, 期 15, 页码 8138-8146出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp5128089
关键词
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资金
- UGC
- CSIR [MLP021526, CSC0404]
Coreshell bimetallic nanoparticles comprised of gold core and varying nickel shell have been synthesized, and their synergistic effect in catalysis is explored through catalytic hydrogenation of p-nitrophenol and p-nitrothiophenol. A clear evidence for synergism in Au@Ni core-shell nanoparticles having an ultrathin Ni shell (1-2 nm) around a Au core (6-10 nm) resulting in enhanced catalytic activity is observed. The rates observed from a thin nickel shell are higher than monometallic Au or Ni nanoparticles of similar size or with a thicker Ni shell of 6-8 nm.
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