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Synthesis and Elect...
Synthesis and Electron-Transfer Processes in a New Family of Ligands for Coupled Ru-Mn2 Complexes
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- Karlsson, Erik A. (author)
- Stockholms universitet,Institutionen för organisk kemi,Stockholm University
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- Lee, Bao-Lin (author)
- Stockholms universitet,Institutionen för organisk kemi,Stockholm University
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- Liao, Rong-Zhen (author)
- Stockholms universitet,Institutionen för organisk kemi,Stockholm University
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- Åkermark, Torbjörn (author)
- Stockholms universitet,Institutionen för organisk kemi,Stockholm University
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- Kärkäs, Markus D. (author)
- Stockholms universitet,Institutionen för organisk kemi,Stockholm University
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- Saavedra, Valeria, 1985 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Siegbahn, Per E. M. (author)
- Stockholms universitet,Institutionen för organisk kemi,Stockholm University
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- Zou, Xiaodong (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm University
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- Abrahamsson, Maria, 1975 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Åkermark, Björn (author)
- Stockholms universitet,Institutionen för organisk kemi,Stockholm University
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(creator_code:org_t)
- 2014-03-12
- 2014
- English.
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In: ChemPlusChem. - : Wiley. - 2192-6506. ; 79:7, s. 936-950
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- A series of [Ru(bpy)(3)](2+)-type (bpy= 2,2'-bipyridine) photosensitisers have been coupled to a ligand for Mn, which is expected to give a dinuclear complex that is active as a water oxidation catalyst. Unexpectedly, photophysical studies showed that the assemblies had very short lived excited states and that the decay patterns were complex and strongly dependent on pH. One dyad was prepared that was capable of catalysing chemical water oxidation by using [Ru(bpy)(3)](3+) as an oxidant. However, photochemical water oxidation in the presence of an external electron acceptor failed, presumably because the short excited-state lifetime precluded initial electron transfer to the added acceptor. The photophysical behaviour could be explained by the presence of an intricate excited-state manifold, as also suggested by time-dependent DFT calculations.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Keyword
- electron transfer
- manganese
- photophysics
- quantum chemistry
- water splitting
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Karlsson, Erik A ...
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Lee, Bao-Lin
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Liao, Rong-Zhen
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Åkermark, Torbjö ...
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Kärkäs, Markus D ...
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Saavedra, Valeri ...
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show more...
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Siegbahn, Per E. ...
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Zou, Xiaodong
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Abrahamsson, Mar ...
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Åkermark, Björn
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Physical Chemist ...
- Articles in the publication
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ChemPlusChem
- By the university
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Stockholm University
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Chalmers University of Technology