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A molecular rutheni...
A molecular ruthenium catalyst with water-oxidation activity comparable to that of photosystem II
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- Duan, Lele (författare)
- KTH,Organisk kemi
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Bozoglian, Fernando (författare)
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Mandal, Sukanta (författare)
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- Stewart, Beverly (författare)
- Stockholms universitet,Institutionen för organisk kemi
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- Privalov, Timofei (författare)
- Stockholms universitet,Institutionen för organisk kemi
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Llobet, Antoni (författare)
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- Sun, Licheng (författare)
- KTH,Organisk kemi
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(creator_code:org_t)
- 2012
- 2012
- Engelska.
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Ingår i: Nature Chemistry. - 1755-4330 .- 1755-4349. ; 4:5, s. 418-423
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Across chemical disciplines, an interest in developing artificial water splitting to O-2 and H-2, driven by sunlight, has been motivated by the need for practical and environmentally friendly power generation without the consumption of fossil fuels. The central issue in light-driven water splitting is the efficiency of the water oxidation, which in the best-known catalysts falls short of the desired level by approximately two orders of magnitude. Here, we show that it is possible to close that 'two orders of magnitude' gap with a rationally designed molecular catalyst [Ru(bda)(isoq)(2)] (H(2)bda = 2,2'-bipyridine-6,6'-dicarboxylic acid; isoq = isoquinoline). This speeds up the water oxidation to an unprecedentedly high reaction rate with a turnover frequency of >300 s(-1). This value is, for the first time, moderately comparable with the reaction rate of 100-400 s(-1) of the oxygen-evolving complex of photosystem II in vivo.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Organisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Organic Chemistry (hsv//eng)
Nyckelord
- Artificial Photosynthesis
- Crystal-Structure
- Dimer Complex
- Efficient
- Resolution
- Chemistry
- Stacking
- Iridium
- Ligand
- Iron
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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