Phase-modulation measurements of photoinduced infrared absorptions from poly(p-phenylene) and poly(2,5-dioctyloxy-p-phenylenevinylene)

Y. Furukawa, Y. H. Cha, T. Noguchi, T. Ohnishi, M. Tasumi

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Photoinduced infrared absorption spectra of poly(p-phenylene) and poly(2,5-dioctyloxy-p-phenylenevinylene) have been measured by the phase- modulation technique. The modulation-frequency dependencies of the intensity and the phase delay of the photoinduced infrared absorptions have been obtained. The observed modulation-frequency dependencies have been numerically simulated on the basis of a model consisting of a bimolecular recombination of the positive and negative polarons that are formed from a photogenerated polaron pair (interchain charge-transfer exciton). The rate constant of the bimolecular recombination process has been obtained. (C) 2000 Elsevier Science B.V.

Original languageEnglish
Pages (from-to)211-220
Number of pages10
JournalJournal of Molecular Structure
Volume521
Issue number1-3
DOIs
Publication statusPublished - 2000 Mar 28

Keywords

  • Conjugated polymers
  • Infrared spectroscopy
  • Phase-modulation method
  • Poly(2,5-dioctyloxy-p-phenylenevinylene)
  • Poly(p-phenylene)

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy
  • Organic Chemistry
  • Inorganic Chemistry

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