A CIDEP study of photolysis of duroquinone/hydrogen-donor homogeneous and triton micelle solutions

A CIDEP study of photolysis of duroquinone/hydrogen-donor homogeneous and triton micelle solutions The CIDEP spectra of transient radicals during photolysis of the duroquinone (DQ)/ethylene glycol (EG) system in acid, basic, and micellar environments were measured with a home-made highly time-resolved ESR spectrometer. In the DQ/EG homogeneous solution, the enhanced emissive CIDEP signal of the neutral durosemiquinone radical DQH• was observed. When the DQ/EG solution at pH 9 or the DQ/EG/TX-100/H2O micelle system was photolyzed, the CIDEP signal of the duroquinone anion radical (DQ•−) was obtained. When the DQ/EG solution at pH 2.5 was irradiated, the CIDEP signal of DQH• appeared. These experimental results indicate that the neutral radical DQH• was formed by proton transfer from EG to 3DQ*, and that DQ•− was formed by dissociation of DQH• accompanying polarization transfer. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

A CIDEP study of photolysis of duroquinone/hydrogen-donor homogeneous and triton micelle solutions

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Publisher
Springer Netherlands
Copyright
Copyright © 2009 by Springer Science+Business Media B.V.
Subject
Chemistry; Inorganic Chemistry ; Physical Chemistry ; Catalysis
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-008-0015-3
Publisher site
See Article on Publisher Site

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