In-plane photoalignment of liquid crystals by azobenzene-polyelectrolyte layer-by-layer ultrathin films

Mi Kyoung Park; Rigoberto C. Advincula

doi:10.1021/la015771a

In-plane photoalignment of liquid crystals by azobenzene-polyelectrolyte layer-by-layer ultrathin films

Mi Kyoung Park, Rigoberto C. Advincula

Research output: Contribution to journal › Article › peer-review

37 Citations (Scopus)

Abstract

The utility of the azobenzene-polyelectrolyte layer-by-layer (LBL) ultrathin films for controlling liquid crystal (LC) azimuthal alignment was demonstrated. The irradiation of a hybrid LC cell with linearly polarized light resulted in in-plane homogenous LC alignment dependent on the thickness, irradiation time and stability of the films. The direction of the LC molecules was found to be perpendicular to the polarization plane and could be reoriented.

Original language	English
Pages (from-to)	4532-4535
Number of pages	4
Journal	Langmuir
Volume	18
Issue number	11
DOIs	https://doi.org/10.1021/la015771a
Publication status	Published - 2002 May 28
Externally published	Yes

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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10.1021/la015771a

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abstract = "The utility of the azobenzene-polyelectrolyte layer-by-layer (LBL) ultrathin films for controlling liquid crystal (LC) azimuthal alignment was demonstrated. The irradiation of a hybrid LC cell with linearly polarized light resulted in in-plane homogenous LC alignment dependent on the thickness, irradiation time and stability of the films. The direction of the LC molecules was found to be perpendicular to the polarization plane and could be reoriented.",

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