Photophysics and spectral characteristics of the zwitterionic and cationic forms of rhodamine B have been studied in a number of protic and aprotic solvents with different solvation properties. The results have been discussed on the basis of the molecular structures of the dye, role of carboxyphenyl
Solvent effects on the photophysics of the molecular forms of rhodamine B. Internal conversion mechanism
β Scribed by I.Lopez Arbeloa; K.K. Rohatgi-Mukherjee
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 687 KB
- Volume
- 129
- Category
- Article
- ISSN
- 0009-2614
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π SIMILAR VOLUMES
The absorption and emission properties of rhodamine 101 in polar, aprotic propionitrile-butyronitrile (45 v/v) solvent have been investigated. The equilibrium between the neutral zwitterionic and lactonic (colourless) forms is strongly affected by the temperature in the range 293-144 K. In dilute so
Supem~olecule calculations at the SCF level nre reported for the excited B 1 Xu state of the complex Hz(He)e for rqwlx and random&d environments of the hydrogen molecule. Whilst marked blue-shifts are observed in the simulated mnrris environmenf,mndomisation offhe surrounding h&urn atoms causes the
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