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Issue 11, 2011
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Tuning the light absorption of a molecular vanadium oxide system for enhanced photooxidation performance

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Abstract

A new mechanism for enhancing the visible light absorption of a homogeneous polyoxovanadate system is described. The photoactive pentanuclear {V5} isopolyoxovanadate cluster is formed in situ by a thermally-induced condensation reaction starting from a tetranuclear {V4} precursor. Upon irradiation with visible light, {V5} undergoes a light induced reduction reaction resulting in the formation of a 2-electron reduced {V10} cluster. Simultaneously, the oxidant methanol is selectively oxidized to formaldehyde. The {V10} cluster can subsequently be re-oxidized using H2O2 or O2.

Graphical abstract: Tuning the light absorption of a molecular vanadium oxide system for enhanced photooxidation performance

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Publication details

The article was received on 13 Dec 2010, accepted on 11 Jan 2011 and first published on 24 Jan 2011


Article type: Communication
DOI: 10.1039/C0CC05536K
Citation: Chem. Commun., 2011,47, 3114-3116
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    Tuning the light absorption of a molecular vanadium oxide system for enhanced photooxidation performance

    J. Forster, B. Rösner, M. M. Khusniyarov and C. Streb, Chem. Commun., 2011, 47, 3114
    DOI: 10.1039/C0CC05536K

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