Femtosecond spectroscopy of phase II vanadyl phthalocyanine thin films

Akira Terasaki, Masahiro Hosoda, Tatsuo Wada, Akira Yamada, Hiroyuki Sasabe, Anthony F. Garito, Takayoshi Kobayashi

研究成果: ジャーナルへの寄稿会議記事査読

8 被引用数 (Scopus)

抄録

The dynamics of excited electronic states in vanadyl phthalocyanine thin films of phase II stacking arrangement were studied by femtosecond time-resolved spectroscopy. Decay kinetics of bleaching observed at the lowest-energy absorption peak consisted of three components; an exciton-exciton annihilation component, an exciton-phonon coupling component, and a long-lived component which is presumably due to triplet states. The exciton-exciton annihilation rate was found to have t-1/2 time dependence. Both doping in polymer and tertiary-butyl peripheral substitution resulted in only a slight change in the exciton decay kinetics.

本文言語英語
ページ(範囲)161-168
ページ数8
ジャーナルMolecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics
3
1-2
出版ステータス出版済み - 1992
外部発表はい
イベントNonlinear Optics of Organic and Polymer Systems an Photonic Devices Symposium - Philadelphia, PA, USA
継続期間: 4月 29 19914月 30 1991

!!!All Science Journal Classification (ASJC) codes

  • 制御およびシステム工学
  • 凝縮系物理学

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