Visualization of Complex‐Anion Site Conversion on a Metal Oxide Surface | Zendy

Limb A. J. | Zendy; Bikondoa O. | Zendy; Muryn C. A. | Zendy; Thornton Geoff | Zendy

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Visualization of Complex‐Anion Site Conversion on a Metal Oxide Surface

Author(s) -

Limb A. J.,

Bikondoa O.,

Muryn C. A.,

Thornton Geoff

Publication year - 2007

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200602938

Subject(s) - oxide , sulfate , adsorption , bronze , oxygen , metal , sulfite , ion , inorganic chemistry , vacancy defect , chemistry , materials science , crystallography , metallurgy , organic chemistry

Oxygen vacancies are shown by STM to play a fundamental role in the stabilization of complex anions on an oxide surface at elevated temperatures. By increasing the temperature in the range 120–420 K, sulfite is transformed into sulfate on a TiO 2 (110) surface, and there is a change in the adsorption site which seems to be driven by stabilization of the adsorbate by an oxygen vacancy (see picture; Ti: red, O: blue, turquoise, and white, S: bronze).

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