Issue 24, 2017
From the journal:

Chemical Communications

Photocatalytic water oxidation by persulphate with a Ca2+ ion-incorporated polymeric cobalt cyanide complex affording O2 with 200% quantum efficiency†

Yusuke Yamada, ORCID logo *a   Kohei Oyama,b   Tomoyoshi Suenobub  and  Shunichi Fukuzumi ORCID logo *cd  

* Corresponding authors

a Department of Applied Chemistry and Bioengineering, Graduate School of Engineering, Osaka City University, Osaka 558-8585, Japan
E-mail: ymd@a-chem.eng.osaka-cu.ac.jp

b Department of Material and Life Science, Graduate School of Engineering, Osaka University, SENTAN, Japan Science and Technology Agency (JST), Suita, Osaka 565-0871, Japan

c Department of Chemistry and Nano Science, Ewha Womans University, Seoul 120-750, Korea
E-mail: fukuzumi@chem.eng.osaka-u.ac.jp

d Faculty of Science and Engineering, Meijo University, SENTAN, Japan Science and Technology Agency (JST), Nagoya, Aichi 468-8502, Japan

Abstract

Incorporation of a small amount of Ca2+ ions into a polymeric cobalt cyanide complex to form Cax[CoII(H2O)2]1.5−x[CoIII(CN)6] resulted in a significant enhancement of activity for photocatalytic water oxidation in a buffer solution (pH 7.0) containing [Ru(bpy)3]2+ (bpy = 2,2′-bipyridine) as a photocatalyst and Na2S2O8 as an electron acceptor to achieve a quantum efficiency of 200%.

Graphical abstract: Photocatalytic water oxidation by persulphate with a Ca2+ ion-incorporated polymeric cobalt cyanide complex affording O2 with 200% quantum efficiency

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Article information

DOI
https://doi.org/10.1039/C7CC00199A
Article type
Communication
Submitted
10 Jan 2017
Accepted
02 Mar 2017
First published
02 Mar 2017

Chem. Commun., 2017,53, 3418-3421

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Photocatalytic water oxidation by persulphate with a Ca2+ ion-incorporated polymeric cobalt cyanide complex affording O2 with 200% quantum efficiency

Y. Yamada, K. Oyama, T. Suenobu and S. Fukuzumi, Chem. Commun., 2017, 53, 3418 DOI: 10.1039/C7CC00199A

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