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Catalytic CO oxidation over Pd70Au30(111) alloy surfaces: spectroscopic evidence for Pd ensemble dependent activity

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Abstract

Catalytic CO oxidation over Pd(111) and Pd70Au30(111) surfaces was investigated by in situ spectroscopic observations to understand the alloying effect. The reaction behaviour on Pd70Au30(111) is greatly different from that on Pd(111). Pd monomer and dimer ensembles can act as active centers, whereas triangular-shaped trimers and larger ensembles are inactive.

Graphical abstract: Catalytic CO oxidation over Pd70Au30(111) alloy surfaces: spectroscopic evidence for Pd ensemble dependent activity

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Publication details

The article was received on 30 Aug 2017, accepted on 03 Nov 2017 and first published on 13 Nov 2017


Article type: Communication
DOI: 10.1039/C7CC06809C
Citation: Chem. Commun., 2017, Advance Article
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    Catalytic CO oxidation over Pd70Au30(111) alloy surfaces: spectroscopic evidence for Pd ensemble dependent activity

    R. Toyoshima, N. Hiramatsu, M. Yoshida, K. Amemiya, K. Mase, B. S. Mun and H. Kondoh, Chem. Commun., 2017, Advance Article , DOI: 10.1039/C7CC06809C

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