Davydov splitting in arachidic acid-cyanine dye complex Langmuir-Blodgett films

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

*この研究の対応する著者

研究成果: Article査読

18 被引用数 (Scopus)

抄録

A water-soluble cyanine dye is adsorbed from the solution to form a salt with an arachidic acid monolayer at the air-water interface. Complex monolayers thus formed were deposited onto substrates by the vertical dipping method to form Langmuir-Blodgett (LB) films. The optical properties of these films were examined employing a linearly polarized incident light. The films showed a large in-plane anisotropy of light absorption in both visible (electronic transition) and infrared (vibrational transition) regions. The in-plane anisotropy of the LB film is explained as due to the alignment of dimers, each showing Davydov splitting, by flow orientation during dipping. The configuration of the dye molecules in the dimer was estimated using Davydov's theory and the extended dipole model. The layered structure of the film was determined by the x-ray diffraction technique.

本文言語English
ページ(範囲)1968-1974
ページ数7
ジャーナルJournal of Applied Physics
68
5
DOI
出版ステータスPublished - 1990
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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