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Proceedings Paper

Phototropic liquid crystals comprising one component
Author(s): Anna Sobolewska; Joanna Zawada; Stanislaw Bartkiewicz; Zbigniew Galewski
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Paper Abstract

Phototropic liquid crystals (PtLC), in which the phase transition can be controlled by the light, are a new class of liquid crystal materials possessing number of potential applications, especially in photonic devices. So far a significant majority of PtLC materials has been realized by the doping a classical liquid crystal with a photochromic dye. Here we report PtLCs comprising a single compound. Liquid-crystalline and photochromic properties have been accomplished in alkylo-alkoxy derivatives of azobenzene. Such compounds show a rich polymorphism which can be controlled by the light. The phenomenon of the photochemical phase transition has been investigated by means of holographic grating recording.

Paper Details

Date Published: 12 September 2013
PDF: 7 pages
Proc. SPIE 8828, Liquid Crystals XVII, 88280U (12 September 2013); doi: 10.1117/12.2024413
Show Author Affiliations
Anna Sobolewska, Wroclaw Univ. of Technology (Poland)
Joanna Zawada, Wroclaw Univ. of Technology (Poland)
Stanislaw Bartkiewicz, Wroclaw Univ. of Technology (Poland)
Zbigniew Galewski, Univ. of Wroclaw (Poland)


Published in SPIE Proceedings Vol. 8828:
Liquid Crystals XVII
Iam Choon Khoo, Editor(s)

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