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  Photo-induced in-plane alignment of LC molecules on layer-by- layer self-assembled films containing azo dyes evaluated by attenuated total reflection measurements

Ishikawa, J., Baba, A., Kaneko, F., Shinbo, K., Kato, K., & Advincula, R. C. (2002). Photo-induced in-plane alignment of LC molecules on layer-by- layer self-assembled films containing azo dyes evaluated by attenuated total reflection measurements. Colloids and Surfaces A-Physicochemical and Engineering Aspects, 198(Sp. Iss. SI), 917-922.

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 Creators:
Ishikawa, J., Author
Baba, A.1, Author              
Kaneko, F., Author
Shinbo, K., Author
Kato, K., Author
Advincula, R. C., Author
Affiliations:
1MPI for Polymer Research, Max Planck Society, ou_1309545              

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Free keywords: layer-by-layer self-assembled film; azo dye; LC molecule; attenuated total reflection; photo-induced alignment
 Abstract: The photo-induced in-plane alignment of nematic liquid crystal (LC) molecules, 5CB, has been investigated in a cell prepared with alternate layer-by-layer self-assembly of polyelectrolyte and low-molecular weight azobenzene dye films on gold electrodes using the attenuated total reflection (ATR) measurement method. The ATR properties due to excitation of surface plasmon polaritons were observed in the LC cell. They sensitively changed with irradiation of linearly polarized visible light, The experimental results corresponded well with the calculated ATR curves at different polarization states. We have demonstrated that in-plane alignment of the LC molecules on the self-assembled films could also be controlled by the polarization direction of irradiated visible light on the LC cell. (C) 2002 Elsevier Science B.V. All rights reserved.

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Language(s): eng - English
 Dates: 2002-02-18
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: No review
 Identifiers: eDoc: 28515
ISI: 000174495800111
 Degree: -

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Title: Colloids and Surfaces A-Physicochemical and Engineering Aspects
  Alternative Title : Colloid Surf. A-Physicochem. Eng. Asp.
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 198 (Sp. Iss. SI) Sequence Number: - Start / End Page: 917 - 922 Identifier: ISSN: 0927-7757