The femtosecond dynamics of 4-(N,N-dimethylamino)-4'-cyanostilbene (DCS) in acetonitrile and methanol solvent was studied by fluorescence upconversion and pump-probe absorption spectroscopy. The spectral evolution observed provides strong evidence for a fast internal charge-transfer (CT) process dom
Solvent dynamics and intramolecular charge transfer in4-Cyano-4′-butyloxybiphenyl (4COB).
✍ Scribed by M. van Damme; J. Hofkens; F.C. de Schryver; T.G. Ryan; W. Rettig; A. Klock
- Book ID
- 104203166
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- French
- Weight
- 599 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0040-4020
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✦ Synopsis
The photophysical properties of 4-cyan-4'-butylaaybiphenyl (4COB) in diluted solutions at room temperature are reported: From this study it is clear that 4COB forms an I(nlramolecular) C(harp) T(ranafer) state . Furthermore, the influence of the temperature on the formation of the ICT state of4COB in 1-butane and diexhylether is investigated to study the role of the solvent dynamics on the stabilintion of the ICY state . Finally the importance of hydrogen bonded dusters in the stabilizadon,of tbefSa of 4COB has been esensined in 1-butanol/butyronitrile nib lures.
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