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Absorption spectra of substituted indoles in stretched polyethylene films

โœ Scribed by A. Suwaiyan; R. Zwarich

Book ID
103906052
Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
495 KB
Volume
43
Category
Article
ISSN
1386-1425

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โœฆ Synopsis

The stretched film technique has been used to resolve the two overlapping 'L, and 'Lb transitions in the absorption spectra of some substituted indoles. The substituent effects on the absorption spectrum of mdole, N-ethyl indole, 3-methyl indole and 'I-methyl indole are discussed. The directions of the transition moments of these indoles with respect to the long molecular axes have been determined and the differences were attributed to the changes in the motecular geometry on excitation. The vibronic structure in the absorption spectra of these indoles is also considered.

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Triplet-state ESR spectra of aromatic mo
Triplet-state ESR spectra of aromatic molecules oriented in stretched polyethylene films
โœ I.M. Brown; P.J. Phillips; D. Parikh ๐Ÿ“‚ Article ๐Ÿ“… 1986 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 267 KB

Triplet-state ESR spectra show that when the aromatic molecules anthracene, anthracene-d,,,, terphenyl, and acridine are dissolved m stretched, low-density polyethylene films, a fraction of these solute molecules become oriented with their X axis along the stretch direction but with their XY planes