Heavy Atoms as Molecular Probes in Studying the Solvent Dependence of the Dynamics of Triplet Exciplexes
| Publikationstyp: | Zeitschriftenartikel |
| URI (zitierfähiger Link): | http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-77989 |
| Autor/innen: | Steiner, Ulrich; Winter, Gerhard |
| Erscheinungsjahr: | 1981 |
| Erschienen in: | Il Nuovo Cimento ; 63 B (1981), 1. - S. 431-440. - eISSN 1826-9877 |
| DOI (zitierfähiger Link): | https://dx.doi.org/10.1007/BF02721449 |
| Zusammenfassung: |
Electron transfer reactions between thiopyronine triplet (acceptor 3A+) and the electron donors (D), aniline, p-Br-aniline and p-I-aniline, are investigated by flash spectroscopy in solvents of different viscosity and polarity. Due to the heavy-atom effect the radical yield becomes very sensitive to the solvent influence, which can be explained by the dynamic properties of a triplet exciplex (3(AD+)) formed as a primary product in the reaction between acceptor triplet and donor. Whereas on variation of solvent viscosity the solvent cage effect on the dissociation of 3(AD+) is observed, a change in solvent polarity is suggested to affect the radiationless deactivation of 3(AD+) to the ground state of the components.
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| Fachgebiet (DDC): | 540 Chemie |
| Link zur Lizenz: | Nutzungsbedingungen |
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STEINER, Ulrich, Gerhard WINTER, 1981. Heavy Atoms as Molecular Probes in Studying the Solvent Dependence of the Dynamics of Triplet Exciplexes. In: Il Nuovo Cimento. 63 B(1), pp. 431-440. eISSN 1826-9877. Available under: doi: 10.1007/BF02721449
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