title: The oxidation of water by cerium(IV) catalysed by nanoparticulate RuO2 on mesoporous silica.
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.
authors.affiliation: Department of Chemistry, University of Exeter, Stocker Road, Exeter EX4 4QD, UK.
authors.forename: Nicola C
authors.initials: NC
authors.lastname: King
authors.forename: Calum
authors.initials: C
authors.lastname: Dickinson
authors.forename: Wuzong
authors.initials: W
authors.lastname: Zhou
authors.forename: Duncan W
authors.initials: DW
authors.lastname: Bruce
mesh_terms: D015082:2,2'-Dipyridyl / Q000031:analogs & derivatives / Q000737:chemistry; D002384:Catalysis; D002563:Cerium / Q000737:chemistry*; D008968:Molecular Conformation; D053758:Nanoparticles / Q000737:chemistry*; D010084:Oxidation-Reduction; D010316:Particle Size; D016062:Porosity; D017975:Ruthenium Compounds / Q000737:chemistry*; D012822:Silicon Dioxide / Q000737:chemistry*; D013499:Surface Properties; D013501:Surface-Active Agents / Q000737:chemistry; D013997:Time Factors; D014867:Water / Q000737:chemistry*
chemical_list: D017975:Ruthenium Compounds; D013501:Surface-Active Agents; D014867:Water; C029017:ruthenium dioxide; D002563:Cerium; D015082:2,2'-Dipyridyl; D012822:Silicon Dioxide