The oxidation of water by cerium(IV) catalysed by nanoparticulate RuO2 on mesoporous silica

Nicola C. King; Calum Dickinson; Wuzong Zhou; Duncan W. Bruce

doi:10.1039/B415288C

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The oxidation of water by cerium(iv) catalysed by nanoparticulate RuO₂ on mesoporous silica

Nicola C. King,^a Calum Dickinson,^b Wuzong Zhou^b and Duncan W. Bruce*^a

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* Corresponding authors

^a Department of Chemistry, University of Exeter, Stocker Road, Exeter, UK
E-mail: d.bruce@exeter.ac.uk
Fax: +44 1392 263434
Tel: +44 1392 263489

^b School of Chemistry, University of St Andrews, St Andrews, UK

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 Ce^IV.

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Article information

DOI: https://doi.org/10.1039/B415288C
Article type: Paper
Submitted: 01 Oct 2004
Accepted: 27 Jan 2005
First published: 16 Feb 2005

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Dalton Trans., 2005, 1027-1032

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The oxidation of water by cerium(IV) catalysed by nanoparticulate RuO₂ on mesoporous silica

N. C. King, C. Dickinson, W. Zhou and D. W. Bruce, Dalton Trans., 2005, 1027 DOI: 10.1039/B415288C

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Dalton Transactions