Publikation:

Heavy Atoms as Molecular Probes in Studying the Solvent Dependence of the Dynamics of Triplet Exciplexes

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Steiner_1981_Heavy_atoms.pdf
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1981

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Winter, Gerhard

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-77989
DOI (zitierfähiger Link)
https://doi.org/10.1007/BF02721449
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Attribution-NonCommercial-NoDerivs 2.0 Generic

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Published

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Il Nuovo Cimento. 1981, 63 B(1), pp. 431-440. eISSN 1826-9877. Available under: doi: 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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540 Chemie

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ISO 690STEINER, Ulrich, Gerhard WINTER, 1981. Heavy Atoms as Molecular Probes in Studying the Solvent Dependence of the Dynamics of Triplet Exciplexes. In: Il Nuovo Cimento. 1981, 63 B(1), pp. 431-440. eISSN 1826-9877. Available under: doi: 10.1007/BF02721449
BibTex
@article{Steiner1981Heavy-9575,
  year={1981},
  doi={10.1007/BF02721449},
  title={Heavy Atoms as Molecular Probes in Studying the Solvent Dependence of the Dynamics of Triplet Exciplexes},
  number={1},
  volume={63 B},
  journal={Il Nuovo Cimento},
  pages={431--440},
  author={Steiner, Ulrich and Winter, Gerhard}
}
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