WFRF:(Sanchez Agudo M)
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- Fortage, Jerome (author)
Very Fast Single-Step Photoinduced Charge Separation in Zinc Porphyrin Bridged to a Gold Porphyrin by a Bisethynyl Quaterthiophene
- Article/chapterEnglish2009
Publisher, publication year, extent ...
- 2008-12-12
- American Chemical Society (ACS),2009
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:uu-129250
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-129250URI
- https://doi.org/10.1021/ic800727eDOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- A new heterometallic dyad composed of a zinc porphyrin linked by bisethynyl quaterthiophene to a gold porphyrin was synthesized according to a stepwise modular approach. The latter dyad and the parent reference compounds (porphyrin-ethynylquatedhiophene) were characterized by electrochemistry, spectroelectrochemistry, and femtosecond transient absorption spectrocopy. We showed that light excitation of the zinc or the gold porphyrin induces a very fast and quantitative charge separation over a distance of 25 angstrom which occurs through a superexchange mechanism. The lifetime of the charge-separated state is 3.3 ns in toluene and 100 ps in dichloromethane, and it recombines to the ground state in both solvents.
Subject headings and genre
- NATURVETENSKAP Kemi hsv//swe
- NATURAL SCIENCES Chemical Sciences hsv//eng
- Chemistry
- Kemi
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- Boixel, Julien (author)
- Blart, Errol (author)
- Becker, Hans ChristianUppsala universitet,Institutionen för fotokemi och molekylärvetenskap (author)
- Odobel, Fabrice (author)
- Uppsala universitetInstitutionen för fotokemi och molekylärvetenskap (creator_code:org_t)
Related titles
- In:Inorganic Chemistry: American Chemical Society (ACS)48:2, s. 518-5260020-16691520-510X
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