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Quenching mechanisms and diffusional pathways in micellar systems unravelled by time-resolved magnetic-field effects.

Abstract:

Magnetic-field effects (MFEs) are used to investigate the photoreaction of xanthone (A) and DABCO (D) in anionic (SDS) or cationic (DTAC) micelles at high pH (DABCO = 1,4-diazabicyclo[2.2.2]octane, SDS = sodium dodecyl sulfate, DTAC = dodecyl trimethyl ammonium chloride). From MFE experiments with nanosecond time resolution, the radical anion A(.)(-) can be observed without any interference from the much more strongly absorbing triplet (3)A*, the different quenching processes can be separated...

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Publication status:
Published

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Publisher copy:
10.1002/chem.200802502

Authors


Henbest, KB More by this author
Windham, EG More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Journal:
Chemistry (Weinheim an der Bergstrasse, Germany)
Volume:
15
Issue:
24
Pages:
6058-6064
Publication date:
2009-06-05
DOI:
EISSN:
1521-3765
ISSN:
0947-6539
URN:
uuid:98fcda48-314b-4487-af2f-306b74072269
Source identifiers:
34703
Local pid:
pubs:34703

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