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2015•Molecular Crystals and Liquid CrystalsRequires access

Alignment of Liquid Crystal Confined in Polydimethylsiloxane Channels

Wenjun Zheng, Yating Hu

Open publisher page 7 citations

Abstract

The alignment of liquid crystal confined in polydimethylsiloxane channels with a rectangular cross-section is studied. The aspect ratio (depth to the width) of the channel is shown to be a critical parameter. In a channel of aspect ratio less than a critical value the liquid crystal adopts a homeotropic alignment, whereas in a channel with aspect ratio greater than the critical value, the molecules align parallel to the substrate.

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What this paper is about

The alignment of liquid crystal confined in polydimethylsiloxane channels with a rectangular cross-section is studied. The aspect ratio (depth to the width) of the channel is shown to be a critical parameter. In a channel of aspect ratio less than a critical value the liquid crystal adopts a homeotropic alignment, whereas in a channel with aspect ratio greater than the critical value, the molecules align parallel to the substrate.

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OpenAlex reports 7 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

The alignment of liquid crystal confined in polydimethylsiloxane channels with a rectangular cross-section is studied. The aspect ratio (depth to the width) of the channel is shown to be a critical parameter. In a channel of aspect ratio less than a critical value the liquid crystal adopts a homeotropic alignment, whereas in a channel with aspect ratio greater than the critical value, the molecules align parallel to the substrate.

Key concepts: Polydimethylsiloxane, Homeotropic alignment, Aspect ratio (aeronautics), Liquid crystal, Materials science, Channel (broadcasting), Substrate (aquarium), Optics

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