The study of substituted benzyl radicals by laser-induced fluorescence

The visible absorption spectra of all the monomethylbenzyl and monofluorobenzyl radicals in the gas phase have been studied by laser-induced fluorescence. The fluorescence lifetimes of the stronger vibronic transitions have been measured. It is concluded that, unlike benzyl itself, a single excited...

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Bibliographic Details
Published in:Chemical physics letters 1986-04, Vol.125 (5), p.547-553
Main Authors: Charlton, T.R., Thrush, B.A.
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Exact sciences and technology
Fluorescence and phosphorescence
radiationless transitions, quenching (intersystem crossing, internal conversion)
Molecular properties and interactions with photons
Physics
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Summary:The visible absorption spectra of all the monomethylbenzyl and monofluorobenzyl radicals in the gas phase have been studied by laser-induced fluorescence. The fluorescence lifetimes of the stronger vibronic transitions have been measured. It is concluded that, unlike benzyl itself, a single excited electronic state, probably 2A 2, is involved except for p-methylbenzyl and perhaps o-fluorobenzyl.
ISSN:0009-2614
1873-4448
DOI:10.1016/0009-2614(86)87096-8