Formation of herringbone structure with davydov splitting in cyanine dye-adsorbed langmuir-biodgett films

Kazuhiro Saito, Keiichi Ikegami, Shin Ichi Kuroda, Yuka Tabe, Michio Sugi

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Interface-adsorbed complex Langmuir-BIodgett (LB) films of arachidic acid and a water-soluble cyanine dye were fabricated using the diffusion-adsorption method. Formation of an H-aggregate with absorption band split was observed in the LB film. This split is assignable as Davydov splitting, which is characterized as the split of the band into two bands, whose transition moments are orthogonal to each other, due to formation of herringbonelike aggregates. The estimation of the molecular arrangement in the aggregate was performed based on Davydov’s theory and the extended dipole model.

Original languageEnglish
Pages (from-to)1836-1840
Number of pages5
JournalJapanese journal of applied physics
Volume30
Issue number8
DOIs
Publication statusPublished - 1991 Aug

Keywords

  • Cyanine dye
  • Davydov splitting
  • Extended dipole model
  • H-aggregate
  • Langmuir-BIodgett films

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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