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Dr. Yan-Fen Fang, Prof. Wan-Hong Ma, Prof. Ying-Ping Huang and Prof. Gen-Wei Cheng Exploring the Reactivity of Multicomponent Photocatalysts: Insight into the Complex Valence Band of BiOBr Chemistry - A European Journal 19

Article first published online: 16 JAN 2013 | DOI: 10.1002/chem.201202602

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Which isotope won? Hydroxylation in the BiOBr photocatalytic system with H218O solvent and 16O2 oxidant gives products with different isotope profiles under visible-light versus UV irradiation (see scheme). The isotope abundance is also affected by the oxidative resistance of the substrate. Together with the .OH/.OOH ratio, the results show that BiOBr has two valence bands that have different oxidation abilities and responses to UV and visible light.

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