Journal
INORGANIC CHEMISTRY
Volume 52, Issue 9, Pages 4753-4755Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ic4001945
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Funding
- EU (ERC Stg grant CHEMCOMP)
- Spanish Ministerio de Ciencia e Innovacion [CTQ2011-29054-C02-01]
- DGU of Generalitat de Catalunya [2009-SGR 462]
- ICIQ Foundation
- ICREA Funding Source: Custom
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An insoluble salt of the water oxidation catalyst [Co-9(H2O)(6)(OH)(3)(HPO4)(2)(PW9O34)(3)](16-) (Co-9) has been used to modify amorphous carbon paste electrodes The catalytic activity of this polyoxometalate is maintained in the solid state. Good catalytic rates are reached at reasonable overpotentials. As a heterogeneous catalyst, Co-9 shows a remarkable long-term stability in turnover conditions. The oxygen evolution rate remains constant for hours without the appearance of any sign of fatigue or decomposition in a large pH range, including acidic conditions, where metal oxides are unstable.
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