期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 3, 期 10, 页码 5352-5359出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta06627h
关键词
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资金
- National Natural Science Foundation of China [21475118, 21175118, 21275130]
- Zhejiang province university young academic leaders of academic climbing project [pd2013055]
In this work, a general strategy was developed for the facile synthesis of bimetallic AuM (M = Pt or Pd) alloyed flowerlike-assembly nanochains (FANs) with the assistance of diprophylline as a structure-directing and stabilizing agent. The morphologies, crystal structures, and compositions of AuPt and AuPd FANs were investigated primarily by transmission electron microscopy (TEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). The formation mechanism was discussed in some detail by varying the concentration of diprophylline. The as-prepared AuM FANs displayed improved catalytic activities and better stabilities for oxygen reduction reaction (ORR) compared to commercial E-TEK Pt/C, Pt black and Pd black.
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