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

Ken Kawano; Kosei Yamauchi; Ken Sakai

doi:10.1039/c4cc03493g

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

Ken Kawano, Kosei Yamauchi, Ken Sakai

Inorganic and Analytical Chemistry

Research output: Contribution to journal › Article › peer-review

50 Citations (Scopus)

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 H₂evolution at pH 5.0.

Original language	English
Pages (from-to)	9872-9875
Number of pages	4
Journal	Chemical Communications
Volume	50
Issue number	69
DOIs	https://doi.org/10.1039/c4cc03493g
Publication status	Published - Jul 31 2014

All Science Journal Classification (ASJC) codes

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
Chemistry(all)
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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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 H2evolution at pH 5.0.",

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AB - 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 H2evolution at pH 5.0.

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

Abstract

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