Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 60, Issue 11, Pages 5965-5969Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202015174
Keywords
cobalt; electrocatalysis; electrochemical polymerization; heterogeneous catalysis; water oxidation
Categories
Funding
- KAKENHI of the Japan Society for the Promotion of Science [17H06444, 19H00903, 20K21209, 15H05480, 17K19185, 17H05391, 19H04602, 20H02754]
- Mitsubishi Foundation
- Tokuyama Science Foundation
- Grants-in-Aid for Scientific Research [17K19185, 20K21209, 20H02754, 19H00903, 19H04602] Funding Source: KAKEN
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This study presents a strategy to integrate catalytic centers and hole transporters in one system, demonstrating the efficient catalytic activity of Poly-1 in water oxidation.
Water oxidation is a key reaction in natural and artificial photosynthesis. In nature, the reaction is efficiently catalyzed by a metal-complex-based catalyst surrounded by hole-transporting amino acid residues. However, in artificial systems, there is no example of a water oxidation system that has a catalytic center surrounded by hole transporters. Herein, we present a facile strategy to integrate catalytic centers and hole transporters in one system. Electrochemical polymerization of a metal-complex-based precursor afforded a polymer-based material (Poly-1). Poly-1 exhibited excellent hole-transporting ability and catalyzed water oxidation with high performance. It was also revealed that the catalytic activity was almost completely suppressed in the absence of the hole-transporting moieties. The present study provides a novel strategy for constructing efficient molecule-based systems for water oxidation.
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