Photo-induced alignments of liquid crystal molecules on alternate self-assembly films evaluated by the attenuated total reflection measurement

Akira Baba, Futao Kaneko, Kazunari Shinbo, Keizo Kato, Satoshi Kobayashi, Rigoberto C. Advincula

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Photo-induced in-plane alignments of nematic liquid crystal (LC) molecules, 5CB, have been investigated in the cell with alternate self-assembly films of polyelectrolyte and low-molecular weight dyes on the gold electrodes using the attenuated total reflection (ATR) measurement method. Reflectivities due to the excitations of the surface plasmon polariton (SPP) were observed in the ATR properties of the LC cell. In-plane switching of LC molecules adjacent to the aligning layer was evaluated from the ATR curves by means of irradiation of the linearly polarized visible light to the LC cell. It was also estimated that the re-orientation of the LC molecules occurred within about 130 nm from the surface of the aligning layer on the prism by the irradiation of the polarized light. 2000 OPA (Overseas Publishers Association) N.V. Published by license under the Gordon and Breach Science Publishers imprint.

Original languageEnglish
Pages (from-to)15-24
Number of pages10
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume347
Publication statusPublished - 2000
Externally publishedYes

Fingerprint

Liquid Crystals
Liquid crystals
Self assembly
self assembly
liquid crystals
alignment
Molecules
molecules
Irradiation
cells
Nematic liquid crystals
Light polarization
Prisms
Polyelectrolytes
irradiation
Crystal orientation
Gold
low molecular weights
Coloring Agents
Dyes

Keywords

  • Alternate self-assembly film
  • ATR
  • Nematic liquid crystal
  • Photo-induced in-plane alignment
  • SPP

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Photo-induced alignments of liquid crystal molecules on alternate self-assembly films evaluated by the attenuated total reflection measurement. / Baba, Akira; Kaneko, Futao; Shinbo, Kazunari; Kato, Keizo; Kobayashi, Satoshi; Advincula, Rigoberto C.

In: Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals, Vol. 347, 2000, p. 15-24.

Research output: Contribution to journalArticle

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AU - Advincula, Rigoberto C.

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