期刊
NANO
卷 11, 期 6, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S1793292016500636
关键词
Pt-Pd nanoparticle chains; insulin amyloid fibrils; oxidation activity of CO; methanol oxidation
资金
- National Natural Science Foundation of China [21371149, 21101134]
- Natural Science Foundation of Hebei [B2012203005, 11965152D, 20131333110010]
- China Postdoctoral Science Foundation [2015M581315]
Here, we present a simple and novel method based on using insulin amyloid fibrils (INSAFs) as sacrificial templates for the construction of Pt-Pd nanoparticle chains (Pt-PdNPCs) under mild conditions. By incubating INSAFs in metal salt solution and then reduction, Pt-Pd nanoparticles with an uniform particle size of around 2.5 nm nucleated and grew along the axial direction of INSAFs, and thus formed a long chain structure with length up to several micrometers. The as-prepared Pt-PdNPCs exhibit an improved catalytic activity for low-temperature CO and methanol oxidation and possess greater CO tolerance compared with the commercial Pt/C catalyst, which makes them promising for a variety of possible catalytic applications.
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