Publikation: Investigation of physical triplet quenching by electron donors
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1977
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Journal of Physical Chemistry. 1977, 81(11), pp. 1104-1110. ISSN 0022-3654. eISSN 1541-5740. Available under: doi: 10.1021/j100526a016
Zusammenfassung
Absolute radical yields, as determined by flash spectroscopy, are reported for the reaction of the thionine triplet 3 TH+ and its protonated form 3 TH 2 2+ with a variety of electron donors in methanolic solution. The yields are extrapolated to infinite donor concentrations. Two methods of obtaining absolute yields are described. The different yields with different donors are due to partial physical quenching of the triplets in the electron transfer reaction. The results are discussed in terms of different models, capable of explaining bimolecular intersystem crossing processes. A triplet exciplex as an intermediate in the electron transfer reaction is favored.
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540 Chemie
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STEINER, Ulrich, Gerhard WINTER, Horst E. A. KRAMER, 1977. Investigation of physical triplet quenching by electron donors. In: Journal of Physical Chemistry. 1977, 81(11), pp. 1104-1110. ISSN 0022-3654. eISSN 1541-5740. Available under: doi: 10.1021/j100526a016BibTex
@article{Steiner1977Inves-9638,
year={1977},
doi={10.1021/j100526a016},
title={Investigation of physical triplet quenching by electron donors},
number={11},
volume={81},
issn={0022-3654},
journal={Journal of Physical Chemistry},
pages={1104--1110},
author={Steiner, Ulrich and Winter, Gerhard and Kramer, Horst E. A.}
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<dcterms:abstract xml:lang="eng">Absolute radical yields, as determined by flash spectroscopy, are reported for the reaction of the thionine triplet 3 TH+ and its protonated form 3 TH 2 2+ with a variety of electron donors in methanolic solution. The yields are extrapolated to infinite donor concentrations. Two methods of obtaining absolute yields are described. The different yields with different donors are due to partial physical quenching of the triplets in the electron transfer reaction. The results are discussed in terms of different models, capable of explaining bimolecular intersystem crossing processes. A triplet exciplex as an intermediate in the electron transfer reaction is favored.</dcterms:abstract>
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