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On the lifetime of triplet monomers and excimers of aromatic hydrocarbons in solution

✍ Scribed by J. Langelaar; G. Jansen; R.P.H. Rettschnick; G.J. Hoytink

Publisher: Elsevier Science
Year: 1971
Tongue: English
Weight: 540 KB
Volume: 12
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(71)80622-x

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✦ Synopsis

The triplet lifetime of aromatic hydrocarbons in liquid solution is relativc:jr short compared with the lifetime in a rigid solution. Until now this difference has been exphined by an impurity quenching mechanism. An alternative explanation is given, assuming quenching of a triplet molecule by B singlet ground state molecule of the same kind, resulting in the formation of a triplet cxcisner. A kinetic analysis of this mechanism is given. The results are discussed and compared with experiments.

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