The effect of the oxidation states of supported oxides on catalytic activity: CO oxidation studies on Pt/cobalt oxide

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The strong metal-oxide interaction of platinum nanoparticles (PtNPs) deposited on two types of cobalt oxides, CoO and Co3O4, was investigated using CO oxidation. Two different sizes of PtNPs as well as arc-plasma-deposited (APD) PtNPs without a capping layer were used to reveal the effect of metal-oxide interfaces on catalytic activity. An enhanced catalytic activity was observed on the PtNPs on the Co3O4 substrate, which was ascribed to the reducible support and to the interfacial sites.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2019-08
Language
English
Article Type
Article
Citation

CHEMICAL COMMUNICATIONS, v.55, no.64, pp.9503 - 9506

ISSN
1359-7345
DOI
10.1039/c9cc03770e
URI
http://hdl.handle.net/10203/265549
Appears in Collection
EEW-Journal Papers(저널논문)
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