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An exceptionally stable octacobalt-cluster-based metal–organic framework for enhanced water oxidation catalysis

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Abstract

Extensive efforts have been devoted to developing efficient and durable catalysts for water oxidation. Herein, we report a highly stable metal–organic framework that shows high catalytic activity and durability for electrically driven (an overpotential of 430 mV at 10 mA cm−2 in neutral aqueous solution) and photodriven (a turnover frequency of 16 s−1 and 12 000 cycles) water oxidation, representing the best catalyst for water oxidation reported to date. Computational simulation and isotope tracing experiments showed that the μ4-OH group of the {Co84-OH)6} unit participates in the water oxidation reaction to offer an oxygen vacancy site with near-optimal OH adsorption energy.

Graphical abstract: An exceptionally stable octacobalt-cluster-based metal–organic framework for enhanced water oxidation catalysis

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Publication details

The article was received on 30 Jun 2019, accepted on 28 Aug 2019 and first published on 10 Sep 2019


Article type: Edge Article
DOI: 10.1039/C9SC03224J
Chem. Sci., 2019, Advance Article
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    An exceptionally stable octacobalt-cluster-based metal–organic framework for enhanced water oxidation catalysis

    N. Huang, J. Shen, Z. Ye, W. Zhang, P. Liao and X. Chen, Chem. Sci., 2019, Advance Article , DOI: 10.1039/C9SC03224J

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