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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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Article information


Submitted
31 Aug 2017
Accepted
02 Oct 2017
First published
03 Oct 2017

Chem. Commun., 2017,53, 11576-11579
Article type
Communication

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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