Comparison of transient state and steady state exciton-exciton annihilation rates based on Förster-type energy transfer

Toshiya Yonehara, Kenichi Goushi, Tomoaki Sawabe, Isao Takasu, Chihaya Adachi

研究成果: Contribution to journalArticle査読

7 被引用数 (Scopus)

抄録

We investigated differences between the transient state and steady state exciton-exciton annihilation rates based on Förster-type energy transfer. The exciton-exciton annihilation rate of an organic semiconductor is usually determined by transient state photoluminescence measurements using a pulsed laser or steady state photoluminescence measurements using a continuous wave laser. However, it is unclear that the respective annihilation rates determined by their rate equations are the same. In calculations with platinum-octaethylporphyrin (PtOEP) parameters, Monte Carlo simulations gave two different annihilation rates for the transient state and the steady state. The analytical models based on Förster-type energy transfer also showed the same result. These results indicate that the exciton-exciton annihilation rates in transient state and steady state are distinguished.

本文言語英語
論文番号071601
ジャーナルJapanese journal of applied physics
54
7
DOI
出版ステータス出版済み - 7 1 2015

All Science Journal Classification (ASJC) codes

  • 工学(全般)
  • 物理学および天文学(全般)

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