Temperature effect on inverse intersystem crossing of anthracenes

Hiroshi Fukumura, Koichi Kikuchi, Kazuhide Koike, Hiroshi Kokubun

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33 Citations (Scopus)

Abstract

The temperature and heavy-atom effects on the quantum yield ΦTS of the inverse (Tn → S1) intersystem crossing of several anthracenes are studied by the stepwise two-photon excitation technique. The first effect is explained in terms of the relative positions of the S1 and T2 levels and the second effect in terms of the spin-orbit coupling between S1 and T2. It was confirmed that the Tn → S1 inverse intersystem crossing occurs from T2 to S1 after rapid Tn → T2 internal conversion.

Original languageEnglish
Pages (from-to)283-291
Number of pages9
JournalJournal of Photochemistry and Photobiology, A: Chemistry
Volume42
Issue number2-3
DOIs
Publication statusPublished - 1988 Apr

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Physics and Astronomy(all)

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