Dynamic studies of conjugated polymers by phase-modulation IR-spectroscopy

研究成果: Conference article

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The application of phase-modulation infrared spectroscopy to the photoexcitation dynamics of conjugated polymers is described. The modulation-frequency dependencies of the intensity and phase delay of photoinduced absorption have been observed and simulated numerically on the basis of a model based on second-order kinetics involving a neutralization process between the positive and negative charge carriers (polarons) that are formed from a photogenerated interchain charge-transfer exciton (polaron pair). The rate constant of the bimolecular recombination process has been obtained. This numerical simulation is useful in analyzing the observed responses of a nonlinear system in the phase-modulation measurements.

元の言語English
ページ(範囲)77-83
ページ数7
ジャーナルVibrational Spectroscopy
19
発行部数1
DOI
出版物ステータスPublished - 1999 2
イベントProceedings of the 1998 3rd International Symposium on Advanced Infrared and Raman Spectroscopy, AIRS III - Vienna, Austria
継続期間: 1998 7 51998 7 9

ASJC Scopus subject areas

  • Spectroscopy

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