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1995 | 87 | 6 | 953-964
Article title

Excited States in Solid Phenothiazine as Studied by Electroabsorption Spectroscopy

Content
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Languages of publication
EN
Abstracts
EN
Electric field modulated absorption spectra of vapor deposited layers of phenothiazine, explained in terms of a quadratic Stark effect, indicate modification of intramolecular (Frenkel-type) excitons by charge transfer transiĀ­tions throughout UVIS absorption spectrum in the range 250-450 nm. The charge transfer character of the excited states appears at energies characteristic of various oxidation products of phenothiazine as identified from a spectroscopic study of photochemical air oxidation, performed on solution and solid film samples of this compound. The charge transfer transitions are ascribed to electron transfer between the molecules of phenothiazine and their oxidized species created in the samples during preparation and handling procedures.
Keywords
Year
Volume
87
Issue
6
Pages
953-964
Physical description
Dates
published
1995-06
received
1995-03-16
References
Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv87z606kz
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