Journal article: Position dependent heavy atom effect in physical triplet quenching by electron donors
Position dependent heavy atom effect in physical triplet quenching by electron donors
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1978
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Winter, Gerhard
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Abstract
The radical yields and rate constants in the quenching reaction of thionine triplet with the complete series of monohalogen substituted anilines as electron donors were determined by flash spectroscopy. Whereas the quenching rate constants show little and unsystematic variation, the radical yields decrease with increasing spin orbit coupling constant of the halogen substituent. This effect is very sensitive to the position of the halogen in the donor. The results are explained in terms of a heavy atom effect on the intersystem crossing rate constant in a triplet exciplex.
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540 Chemistry
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Chemical Physics Letters ; 55 (1978), 2. - pp. 364-368. - ISSN 0009-2614
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STEINER, Ulrich, Gerhard WINTER, 1978. Position dependent heavy atom effect in physical triplet quenching by electron donors. In: Chemical Physics Letters. 55(2), pp. 364-368. ISSN 0009-2614. Available under: doi: 10.1016/0009-2614(78)87040-7BibTex
@article{Steiner1978Posit-9771,
year={1978},
doi={10.1016/0009-2614(78)87040-7},
title={Position dependent heavy atom effect in physical triplet quenching by electron donors},
number={2},
volume={55},
issn={0009-2614},
journal={Chemical Physics Letters},
pages={364--368},
author={Steiner, Ulrich and Winter, Gerhard}
}
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