INDICATION OF FAST TRIPLET FORMATION IN BIMOLECULAR QUENCHING OF EXCITED SINGLET STATES STUDIED BY CONVENTIONAL FLASH PHOTOLYSIS |
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| Authors: | Ekehardt Vogelmann Horst E. A. Kramer |
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| Affiliation: | Institut für Physikalische Chemie der Universität Stuttgart, Pfaffenwaldring 55, D-7000 Stuttgart 80, Germany |
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| Abstract: | The bimolecular quenching of the first excited singlet state of oxonine by allylthiourea leads to the formation of the triplet state of the dye. This has been proved by comparison with the triplet-triplet absorption spectrum of oxonine obtained by triplet-triplet energy transfer. The conventional flash experiments suggest that the dye triplet state is produced directly rather than by radical recombination. |
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