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Issue 15, 2016
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Composition dependent reactivity of titanium oxide clusters

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Abstract

Based on first-principles calculations of titanium oxide clusters, TinOm (n = 1–4), we reveal the composition dependent reactivity of titanium oxide clusters. Our interesting results include: (1) the reactivity depends on the ratio of O atoms in the clusters, with smaller O ratios associated with higher reactivity; (2) among the different titanium oxide species investigated, the most stable structures are TinO2n, but their reactivities are relatively lower than the clusters with a smaller O atom ratio; moreover, (3) when the O atom ratio is small, the reactivity required to form the Ti–Ti bond is larger than either the Ti–O or O–O bond between two interacting titanium oxide clusters. These results will be useful for designing efficient titanium oxide catalysts, or photocatalysts, in particular, for energy and environmental applications.

Graphical abstract: Composition dependent reactivity of titanium oxide clusters

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Article information


Submitted
02 Dec 2015
Accepted
14 Mar 2016
First published
14 Mar 2016

Phys. Chem. Chem. Phys., 2016,18, 10594-10599
Article type
Paper
Author version available

Composition dependent reactivity of titanium oxide clusters

Y. Guo, J. Li, X. Niu, A. Markovits and R. Zhang, Phys. Chem. Chem. Phys., 2016, 18, 10594
DOI: 10.1039/C5CP07425H

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