✦ LIBER ✦

On the temperature dependence of non-radiative deactivation processes

✍ Scribed by E.R. Pantke; H. Labhart

Publisher: Elsevier Science
Year: 1972
Tongue: English
Weight: 440 KB
Volume: 16
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(72)80266-5

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✦ Synopsis

It is shown that the fluorescence quantum yield depends on temperature rather than on the viscosity of the solvent. The intersystem crossing rate can IX described ;1s a sum of a temperature independent and a temperature dependent term. I;or most of the molecules investigated in this paper the latter can be assumed to have the Arrhenius form. With anthmccne, however, significant deviations from the Arrhcnius behwiour are observed. With a more general expression involving the density of states the tempzrature dependence of the fiuorescencc quantum yield cm be satisfactorily described.

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