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Issue 18, 2016
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Theoretical investigations of non-noble metal single-atom catalysis: Ni1/FeOx for CO oxidation

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Abstract

Significant progress has recently been made in single-atom catalysis involving noble metals. We report here a theoretical investigation of the catalytic mechanism of CO oxidation of a non-noble metal single-atom catalyst (SAC) Ni1/FeOx using density functional theory (DFT). The calculated results show that this new SAC Ni1/FeOx has a high catalytic activity at room temperature for CO oxidation. CO adsorption strength is a key factor in determining catalytic activity for CO oxidation. Compared with noble-metal catalysts Pt1/FeOx and Ir1/FeOx, the catalytic activity for CO oxidation of Ni1/FeOx is found to be comparable to that of Pt1/FeOx, but is considerably higher than that of Ir1/FeOx. Our theoretical prediction of this new non-noble metal Ni1/FeOx catalyst with high catalytic activity for CO oxidation at room temperature may find practical applications. The theoretical investigation provides a fundamental understanding of the catalytic mechanism of singly-dispersed surface atoms and helps to stimulate further experimental studies on highly active non-noble metal single-atom catalysts.

Graphical abstract: Theoretical investigations of non-noble metal single-atom catalysis: Ni1/FeOx for CO oxidation

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Publication details

The article was received on 27 Mar 2016, accepted on 14 Jun 2016 and first published on 14 Jun 2016


Article type: Paper
DOI: 10.1039/C6CY00672H
Citation: Catal. Sci. Technol., 2016,6, 6886-6892
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    Theoretical investigations of non-noble metal single-atom catalysis: Ni1/FeOx for CO oxidation

    J. Liang, X. Yang, A. Wang, T. Zhang and J. Li, Catal. Sci. Technol., 2016, 6, 6886
    DOI: 10.1039/C6CY00672H

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