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Relating the electronic structure and reactivity of the 3d transition metal monoxide surfaces

Paper ID Volume ID Publish Year Pages File Format Full-Text
49658 46759 2014 5 PDF Available
Title
Relating the electronic structure and reactivity of the 3d transition metal monoxide surfaces
Abstract

•We identified two structural perturbations to transform a metal into an oxide.•We decomposed the oxygen adsorption energy on a metal oxide using these perturbations.•The adsorbate p-band center determines adsorption energies on metals and oxides.•We identified electronic structure features that describe adsorption on oxides.

We performed a series of density functional theory calculations of dissociative oxygen adsorption on fcc metals and their corresponding rocksalt monoxides to elucidate the relationship between the oxide electronic structure and its corresponding reactivity. We decomposed the dissociative adsorption energy of oxygen on an oxide surface into a sum of the adsorption energy on the metal and a change in adsorption energy caused by both expanding and oxidizing the lattice. We were able to identify the key features of the electronic structure that explains the trends in adsorption energies on 3d transition metal monoxide surfaces.

Keywords
Oxide reactivity; Density functional theory; Transition metals; Electronic structure
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Relating the electronic structure and reactivity of the 3d transition metal monoxide surfaces
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 52, 5 July 2014, Pages 60–64
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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