Issue 45, 2016

The complex behavior of the Pd7 cluster supported on TiO2(110) during CO oxidation: adsorbate-driven promoting effect

Abstract

Using the TiO2(110)-supported Pd7 cluster as a model catalyst, we have identified from density functional theory calculations that the dynamics of supported metal nanoparticles, particularly at the sub-nanometer scale, can be complex under reactive environments. Increasing the CO coverage can induce a structural transformation from Pd7-3D/TiO2(110) at low coverage to Pd7-2D/TiO2(110) at the saturation coverage wherein CO saturation-driven Pd7-2D/TiO2(110) structure displays superior CO oxidation activity at the interfacial sites, which are highly active for catalyzing O2 dissociation and CO oxidation via bifunctional synergy.

Graphical abstract: The complex behavior of the Pd7 cluster supported on TiO2(110) during CO oxidation: adsorbate-driven promoting effect

Supplementary files

Article information

Article type
Communication
Submitted
07 Jul 2016
Accepted
06 Sep 2016
First published
07 Sep 2016

Phys. Chem. Chem. Phys., 2016,18, 30899-30902

The complex behavior of the Pd7 cluster supported on TiO2(110) during CO oxidation: adsorbate-driven promoting effect

W. An and P. Liu, Phys. Chem. Chem. Phys., 2016, 18, 30899 DOI: 10.1039/C6CP04734C

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