The DOI matches its Crossref record.
Mechanism of Water Oxidation by the μ-Oxo Dimer [(bpy)2(H2O)RuIIIORuIII(OH2)(bpy)2]4+
Abstract
The kinetics and mechanism of Ce IV oxidation of the water oxidation catalyst [(bpy) 2 (H 2 O)Ru III ORu III (OH 2 )(bpy) 2 ] 4+ ( 1, Ru III ORu III ) have been investigated by UV−visible measurements with application of global analysis. The reaction proceeds by stepwise oxidation of Ru III ORu III to Ru V ORu V with oxidation of Ru IV ORu III the slow step. Ru V ORu V has been identified as an intermediate by the appearance of its ClO 4 - salt as a black suspension in concentrated solutions at 5 °C. It is the key intermediate in water oxidation. The mechanism may involve a bimolecular step and formation of a peroxo-bridged intermediate. Catalytic water oxidation is greatly retarded after just a few catalytic cycles because of anation induced by O 2 evolution.
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Proton-coupled electron transfer
Huynh, M. H. V., & Meyer, T. J. (2007) · Chemical Reviews · doi:10.1021/cr0500030 · Cited by 1,659
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Metadata
- Authors
- Binstead, R. A., Chronister, C. W., Ni, J., Hartshorn, C. M., & Meyer, T. J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2000-08-16
- Volume
- 122
- Issue
- 35
- Pages
- 8464-8473
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2005967967
- Cited by
- 177
- References
- 0
- FWCI
- 4.02
- Type
- journal article
- Language
- en
- Open access
- closed
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- Binstead, R. A., Chronister, C. W., Ni, J., Hartshorn, C. M., & Meyer, T. J. (2000). Mechanism of Water Oxidation by the μ-Oxo Dimer [(bpy)2(H2O)RuIIIORuIII(OH2)(bpy)2]4+. Journal of the American Chemical Society. https://doi.org/10.1021/ja993235n
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