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High Catalytic Activity of Heteropolynuclear Cyanide Complexes Containing Cobalt and Platinum Ions: Visible-Light Driven Water Oxidation

Yamada, Yusuke and Oyama, Kohei and Gates, Rachel and Fukuzumi, Shunichi (2015) High Catalytic Activity of Heteropolynuclear Cyanide Complexes Containing Cobalt and Platinum Ions: Visible-Light Driven Water Oxidation. Angewandte Chemie International Edition, 54 (19). pp. 5613-5617. ISSN 1433-7851. https://resolver.caltech.edu/CaltechAUTHORS:20150603-104602536

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Abstract

A near-stoichiometric amount of O_2 was evolved as observed in the visible-light irradiation of an aqueous buffer (pH 8) containing [Ru^(II)(2,2′-bipyridine)_3] as a photosensitizer, Na_2S_2O_8 as a sacrificial electron acceptor, and a heteropolynuclear cyanide complex as a water-oxidation catalyst. The heteropolynuclear cyanide complexes exhibited higher catalytic activity than a polynuclear cyanide complex containing only Co^(III) or Pt^(IV) ions as C-bound metal ions. The origin of the synergistic effect between Co and Pt ions is discussed in relation to electronic and local atomic structures of the complexes.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1002/anie.201501116 DOIArticle
http://onlinelibrary.wiley.com/doi/10.1002/anie.201501116/abstractPublisherArticle
http://onlinelibrary.wiley.com/doi/10.1002/anie.201501116/suppinfoPublisherSupporting Information
Additional Information:© 2015 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. Received: February 5, 2015; Revised: March 9, 2015; Published online: April 13, 2015. This work was supported by an ALCA project from JST (to S.F.) and Grants-in-Aid (Nos. 24350069 and 25600025 to Y.Y.) from the Ministry of Education, Culture, Sports, Science and Technology (Japan).
Funders:
Funding AgencyGrant Number
Japan Science and Technology Agency (JST)UNSPECIFIED
Ministry of Education, Culture, Sports, Science and Technology (MEXT)24350069
Ministry of Education, Culture, Sports, Science and Technology (MEXT)25600025
Subject Keywords:cobalt; heterogeneous catalysis; platinum; structure elucidation; water oxidation
Issue or Number:19
Record Number:CaltechAUTHORS:20150603-104602536
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150603-104602536
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:57976
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:03 Jun 2015 18:01
Last Modified:03 Oct 2019 08:30

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