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
Intramolecular charge transfer and formation of luminescence centers of 4-nitro-4-dimethylaminobutadiene in binary solvents
β Scribed by A. P. Klishchenko; I. N. Kozlov
- Book ID
- 110624099
- Publisher
- Springer US
- Year
- 1997
- Tongue
- English
- Weight
- 269 KB
- Volume
- 64
- Category
- Article
- ISSN
- 0021-9037
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π SIMILAR VOLUMES
The rate of formation of the intramolecular charge-transfer state of 4-(N,N-dimethylamino)benzonitrile (DMABN) has been determined in supercritical CFsH using a fast single-photon counting technique. The rate constant increases rapidly with increasing CFIH density, indicating the importance of the p
Braad band emission which bas two peaks at 290 nm and 420 nm was observed in Yb3+-activated LuP04 and YPO4. It is shown that thΓ―s emission is due to a charge-transfer type transition, i.e. the reverse process of the charge-transfer absorption of Yb3+ ions It is well known that some of the transition