Exciton transition energy and temperature dependence of ultrafast relaxation of self-trapped excitons in polydiacetylenes

Masayuki Yoshizawa, Katsuhiko Nishiyama, Masamichi Fujihira, Takayoshi Kobayashi

研究成果: Article査読

41 被引用数 (Scopus)

抄録

Exciton transition energies and temperature dependence of ultrafast relaxation processes have been investigated in polydiacetylene (PDA-(12,8) Langmuir-Blodgett films with several exciton transition energies using femtosecond absorption spectroscopy. The relaxation from self-trapped exciton to the ground state in PDA with 1.88 eV exciton energy is faster than that relaxation in PDA with larger exciton energy. The decay kinetics in PDAs can be explained in terms of tunneling in the configuration space from the self-trapped exciton to the ground state.

本文言語English
ページ(範囲)461-467
ページ数7
ジャーナルChemical Physics Letters
207
4-6
DOI
出版ステータスPublished - 1993 5 28
外部発表はい

ASJC Scopus subject areas

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

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