Abstract
Aminopropyl-modified gel dispersed liquid crystal films have been synthesized by the room temperature sol–gel process. 3-aminopropyltriethoxysilane, tetraethyl orthosilicate and nematic liquid crystal n-pentyl-n′-cyanobipheynyl were used as precursors for the production of aminopropyl-modified gel dispersed liquid crystal films. The distribution of liquid crystal drops in the films was characterized by optical microscopy. The effect of the liquid crystal concentration related to siloxane on the size of the liquid crystal droplets was studied. The electro-optical properties of aminopropyl-modified gel dispersed liquid crystal films were assessed by the transmittance–voltage relations. It was found to exhibit a strong dependence on the applied alternating electric field. The mechanism of the effect was discussed in the paper.
Published Version
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