The oxidation of water by cerium(IV) catalysed by nanoparticulate RuO2 on mesoporous silica |
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Authors: | King Nicola C Dickinson Calum Zhou Wuzong Bruce Duncan W |
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Institution: | Department of Chemistry, University of Exeter, Stocker Road, Exeter EX4 4QD, UK. |
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Abstract: | Mesoporous silicates are prepared by templating on the hexagonal (H1) mesophase of surfactant bipyridine complexes of ruthenium(II) using a true liquid-crystal templating approach. On calcination, the surfactant template is removed except for the central metal ion that is oxidised, forming nanoparticles of RuO2 that deposit within the pores. RuO2 is a known oxidation catalyst and, despite its anhydrous nature in these silicates, is found to be very active in catalyzing the oxidation of water by acidic CeIV. |
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