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Issue 84, 2017
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From molecular to colloidal manganese vanadium oxides for water oxidation catalysis

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Abstract

The spontaneous, sonication-driven conversion of a molecular manganese vanadium oxide water oxidation catalyst, (n-Bu4N)3[Mn4V4O17(OAc)3] × 3H2O, into colloidal manganese vanadium oxide particles (average particle size ca. 70 nm) together with their stability and chemical water oxidation activity is reported. The nanoparticulate metal oxide colloid (approximate composition: VMn5O10·ca. 6H2ca. 0.2nBu4N+) is formed spontaneously when the molecular precursor is sonicated in water. The particles show water oxidation activity when combined with CeIV as the oxidant, are stable even under highly acidic reaction conditions and can be recovered and reused.

Graphical abstract: From molecular to colloidal manganese vanadium oxides for water oxidation catalysis

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Publication details

The article was received on 31 Aug 2017, accepted on 02 Oct 2017 and first published on 03 Oct 2017


Article type: Communication
DOI: 10.1039/C7CC06840A
Citation: Chem. Commun., 2017,53, 11576-11579
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    From molecular to colloidal manganese vanadium oxides for water oxidation catalysis

    B. Schwarz, J. Forster, M. H. Anjass, S. Daboss, C. Kranz and C. Streb, Chem. Commun., 2017, 53, 11576
    DOI: 10.1039/C7CC06840A

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