Photophysical processes are studied in a new class of dyes containing a chromophoric part and a crown ether part (crown ether styryl dyes). Photoisomerization is proposed to be the main channel of nonradiative decay of the singlet excited electronic state. The temperature dependence of fluorescence
Molecular design, photoisomerization and complexation of crown ether styryl dyes
β Scribed by M.V. Alfimov; S.P. Gromov; I.K. Lednev
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 442 KB
- Volume
- 185
- Category
- Article
- ISSN
- 0009-2614
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a βFull Textβ option. The original article is trackable v
The intromolecular charge transfer spectra of six crown ethers, namely 15C5, B15C5, 18C6, B18C6, DB18C6 and DC18C6 acting as donors, and iodine, acting as an acceptor, were studied in the UV-vis region in methylene chloride. The complex formation constants were computed. The results indicate that bo