Formation of herringbone structure with Davydov splitting in cyanine dye-adsorbed Langmuir-Blodgett 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-Blodgett (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 ssignable 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, Part 1: Regular Papers and Short Notes and Review Papers
Volume30
Issue number8
Publication statusPublished - 1991 Aug
Externally publishedYes

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Langmuir Blodgett films
Langmuir-Blodgett films
Dyes
dyes
Absorption spectra
dipoles
absorption spectra
moments
Adsorption
acids
adsorption
Acids
water
Water

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Formation of herringbone structure with Davydov splitting in cyanine dye-adsorbed Langmuir-Blodgett films. / Saito, Kazuhiro; Ikegami, Keiichi; Kuroda, Shin ichi; Tabe, Yuka; Sugi, Michio.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 30, No. 8, 08.1991, p. 1836-1840.

Research output: Contribution to journalArticle

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