Fabrication of twisted nematic structure in phase separated composite films

Hak Rin Kim; Jong Wook Jung; You Jin Lee; Jae Hoon Kim

doi:10.1080/15421400600932694

Fabrication of twisted nematic structure in phase separated composite films

Hak Rin Kim, Jong Wook Jung, You Jin Lee, Jae Hoon Kim

School of Electronics Engineering

Hanyang University

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

2 Scopus citations

Abstract

We investigated the liquid crystal (LC) alignment effect of the polymerized interface in the phase-separated composite film (PSCOF). Since the polymer morphology after phase separation depends highly on the LC ordering during phase separation, the azimuthal anchoring strength of the LC/polymer interface increased with highly ordered LCs. Using anchoring capability induced by imprinting effect of molecular ordering, we demonstrated a twisted nematic structure in PSCOF by application of in-plane electric fields during phase separation.

Original language	English
Pages (from-to)	11-16
Number of pages	6
Journal	Molecular Crystals and Liquid Crystals
Volume	458
Issue number	1
DOIs	https://doi.org/10.1080/15421400600932694
State	Published - 1 Nov 2006

Keywords

Azimuthal anchoring
Liquid crystal alignment
Molecular ordering
Phase separation
Phase-separated composite film
Twisted nematic structure

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abstract = "We investigated the liquid crystal (LC) alignment effect of the polymerized interface in the phase-separated composite film (PSCOF). Since the polymer morphology after phase separation depends highly on the LC ordering during phase separation, the azimuthal anchoring strength of the LC/polymer interface increased with highly ordered LCs. Using anchoring capability induced by imprinting effect of molecular ordering, we demonstrated a twisted nematic structure in PSCOF by application of in-plane electric fields during phase separation.",

keywords = "Azimuthal anchoring, Liquid crystal alignment, Molecular ordering, Phase separation, Phase-separated composite film, Twisted nematic structure",

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AU - Kim, Hak Rin

AU - Jung, Jong Wook

AU - Lee, You Jin

AU - Kim, Jae Hoon

PY - 2006/11/1

Y1 - 2006/11/1

N2 - We investigated the liquid crystal (LC) alignment effect of the polymerized interface in the phase-separated composite film (PSCOF). Since the polymer morphology after phase separation depends highly on the LC ordering during phase separation, the azimuthal anchoring strength of the LC/polymer interface increased with highly ordered LCs. Using anchoring capability induced by imprinting effect of molecular ordering, we demonstrated a twisted nematic structure in PSCOF by application of in-plane electric fields during phase separation.

AB - We investigated the liquid crystal (LC) alignment effect of the polymerized interface in the phase-separated composite film (PSCOF). Since the polymer morphology after phase separation depends highly on the LC ordering during phase separation, the azimuthal anchoring strength of the LC/polymer interface increased with highly ordered LCs. Using anchoring capability induced by imprinting effect of molecular ordering, we demonstrated a twisted nematic structure in PSCOF by application of in-plane electric fields during phase separation.

KW - Azimuthal anchoring

KW - Liquid crystal alignment

KW - Molecular ordering

KW - Phase separation

KW - Phase-separated composite film

KW - Twisted nematic structure

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VL - 458

SP - 11

EP - 16

JO - Molecular Crystals and Liquid Crystals

JF - Molecular Crystals and Liquid Crystals

IS - 1

ER -

Fabrication of twisted nematic structure in phase separated composite films

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