Issue 69, 2014
From the journal:

Chemical Communications

A cobalt–NHC complex as an improved catalyst for photochemical hydrogen evolution from water†

Ken Kawano,a   Kosei Yamauchi*ab  and  Ken Sakai*abc  

* Corresponding authors

a Department of Chemistry, Faculty of Sciences, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
E-mail: ksakai@chem.kyushu-univ.jp, kyamauchi@chem.kyushu-univ.jp

b International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan

c Center for Molecular Systems (CMS), Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan

Abstract

A macrocyclic N-heterocyclic carbene (NHC)–cobalt complex was found to act as an improved H2-evolving catalyst in a [Ru(bpy)3]2+-sensitized photosystem using methylviologen as a redox acceptor (MV2+ + e− → MV+˙, MV2+ = N,N′-dimethyl-4,4′-bipyridinium), which provides a driving force of only 150 meV for H2 evolution at pH 5.0.

Graphical abstract: A cobalt–NHC complex as an improved catalyst for photochemical hydrogen evolution from water

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Article information

DOI
https://doi.org/10.1039/C4CC03493G
Article type
Communication
Submitted
08 May 2014
Accepted
08 Jul 2014
First published
08 Jul 2014

Chem. Commun., 2014,50, 9872-9875

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A cobalt–NHC complex as an improved catalyst for photochemical hydrogen evolution from water

K. Kawano, K. Yamauchi and K. Sakai, Chem. Commun., 2014, 50, 9872 DOI: 10.1039/C4CC03493G

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