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Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Volume 329, 1999 - Issue 1
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SECTION III: SURFACE – INTERFACE, ALIGNMENT – CONFINEMENT

The Anchoring Energy Coefficient of Dye Guest-Host Ferroelectric Liquid Crystals

Jier-Fu Lyuu National Taiwan University of Science and Technology, Graduate School of Textile and Polymer Engineering, Liquid Crystal Research Laboratory, 43, Keelung Road Section 4, Taipei, Taiwan, 10672, R.O.C.
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Chih-Chun Chen National Taiwan University of Science and Technology, Graduate School of Textile and Polymer Engineering, Liquid Crystal Research Laboratory, 43, Keelung Road Section 4, Taipei, Taiwan, 10672, R.O.C.
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Jiunn-Yih Lee National Taiwan University of Science and Technology, Graduate School of Textile and Polymer Engineering, Liquid Crystal Research Laboratory, 43, Keelung Road Section 4, Taipei, Taiwan, 10672, R.O.C.
Pages 99-112 | Published online: 24 Sep 2006
 
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Abstract

This study investigated the polarization anchoring energy coefficient (Wp) and the dispersion anchoring energy coefficient (Wd) of Dye Guest-Host Ferroelectric Liquid Crystal (DGH-FLC) cells. The results showed that the polarization anchoring energy coefficient (Wp) and the dispersion anchoring energy coefficient (Wd) increased with increasing dye concentration, and decreased with increasing temperature. The rotational viscosity and memory effect of red dye guest-host ferroelectric liquid crystals were also studied. The experimental results showed that the rotational viscosity and memory effect increased with increasing dye concentration.

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