Shift from an inverse to a normal isotope effect on the non-radiative decay rate of anthracene-d10 observed under partially jet-cooled conditions

Hiromichi Niikura, Satoshi Hirayama

研究成果: Article査読

2 被引用数 (Scopus)

抄録

The absorption and fluorescence excitation spectra of anthracene-d10 in the first excited singlet state were measured under partially jet-cooled conditions. From the ratio of the corresponding peak intensities of both spectra the fluorescence quantum yields were evaluated for a few sequence bands as well as single vibronic levels. In contrast to the case of anthracene-h10, the values for the sequence bands (Φf=0.17-0.24) exceed that of the 000 band (Φf=0.13), suggesting a resume of normal isotope effect on intersystem crossing. This novel finding is discussed in relation to the fluorescence lifetimes of anthracene-d10 measured in the gas phase.

本文言語English
ページ(範囲)343-349
ページ数7
ジャーナルChemical Physics Letters
296
3-4
DOI
出版ステータスPublished - 1998 11 6
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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