Issue 7, 2012
From the journal:

Energy & Environmental Science

A cobalt(ii) quaterpyridine complex as a visible light-driven catalyst for both water oxidation and reduction†

Chi-Fai Leung,‡a   Siu-Mui Ng,‡a   Chi-Chiu Ko,a   Wai-Lun Man,a   Jiashou Wu,a   Lingjing Chena  and  Tai-Chu Lau*a  

* Corresponding authors

a Institute of Molecular Functional Materials, State Key Laboratory in Marine Pollution (SKLMP) and Department of Biology and Chemistry, City University of Hong Kong, Tat Che Avenue, Kowloon, Hong Kong SAR, China
E-mail: bhtclau@cityu.edu.hk
Fax: +852 34420522

Abstract

The complex [CoII(qpy)(OH2)2]2+ (qpy = 2,2′:6′,2′′:6′′,2′′′-quaterpyridine) is an efficient visible light-driven catalyst for both water oxidation and reduction. It catalyses photochemical oxygen evolution from water at pH 8.0 with [RuII(bpy)3]2+/S2O82− (λ = 457 nm, max TON = 335, bpy = 2,2′-bipyridine). It also catalyses photochemical hydrogen generation from [IrIII(dF(CF3)ppy)2(dtbbpy)]+/TEOA (dF(CF3)ppy = anion of 2-(2,4-difluorophenyl)-5-trifluoromethylpyridine, dtbbpy = 4,4′-di-tert-butyl-2,2′-bipyridine, TEOA = triethanolamine) in aqueous acetonitrile (λ > 420 nm, max TON = 1730).

Graphical abstract: A cobalt(ii) quaterpyridine complex as a visible light-driven catalyst for both water oxidation and reduction

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Article information

DOI
https://doi.org/10.1039/C2EE21840B
Article type
Communication
Submitted
03 Apr 2012
Accepted
17 May 2012
First published
17 May 2012

Energy Environ. Sci., 2012,5, 7903-7907

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A cobalt(II) quaterpyridine complex as a visible light-driven catalyst for both water oxidation and reduction

C. Leung, S. Ng, C. Ko, W. Man, J. Wu, L. Chen and T. Lau, Energy Environ. Sci., 2012, 5, 7903 DOI: 10.1039/C2EE21840B

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