Nanorod-driven orientational control of liquid crystal for polarization-tailored electro-optic devices

Somobrata Acharya; Sudarshan Kundu; Jonathan P. Hill; Gary J. Richards; Katsuhiko Ariga

doi:10.1002/adma.200802743

Nanorod-driven orientational control of liquid crystal for polarization-tailored electro-optic devices

Somobrata Acharya, Sudarshan Kundu, Jonathan P. Hill, Gary J. Richards, Katsuhiko Ariga

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

59 Citations (Scopus)

Abstract

A study was conducted to demonstrate nanorod-driven orientational control of liquid crystal (LC) for polarization-tailored elector-optic devices. The dispersion of ultra-narrow ZnS nanorods encapsulated by a soft organic layer in nematic LC ZLI-4792 produced a soft-matter-type blend with robust electro-optic properties. It was found that the ultra-small nanorods had an inherent dipole moment, which showed high miscibility in the LC host and produced well-organized locally aligned arrays. It was observed that this local ordering influenced the global ordering of the blend and allowed a rapid response of the electro-optic properties. The study concluded that the blend exhibited excellent tunable polarizations from vertical to grazing view angles and adjustable anisotropy for the improvement of contrast ratios and view angles of LC displays.

Original language	English
Pages (from-to)	989-993
Number of pages	5
Journal	Advanced Materials
Volume	21
Issue number	9
DOIs	https://doi.org/10.1002/adma.200802743
Publication status	Published - 2009 Mar 6
Externally published	Yes

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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abstract = "A study was conducted to demonstrate nanorod-driven orientational control of liquid crystal (LC) for polarization-tailored elector-optic devices. The dispersion of ultra-narrow ZnS nanorods encapsulated by a soft organic layer in nematic LC ZLI-4792 produced a soft-matter-type blend with robust electro-optic properties. It was found that the ultra-small nanorods had an inherent dipole moment, which showed high miscibility in the LC host and produced well-organized locally aligned arrays. It was observed that this local ordering influenced the global ordering of the blend and allowed a rapid response of the electro-optic properties. The study concluded that the blend exhibited excellent tunable polarizations from vertical to grazing view angles and adjustable anisotropy for the improvement of contrast ratios and view angles of LC displays.",

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AU - Kundu, Sudarshan

AU - Hill, Jonathan P.

AU - Richards, Gary J.

AU - Ariga, Katsuhiko

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AB - A study was conducted to demonstrate nanorod-driven orientational control of liquid crystal (LC) for polarization-tailored elector-optic devices. The dispersion of ultra-narrow ZnS nanorods encapsulated by a soft organic layer in nematic LC ZLI-4792 produced a soft-matter-type blend with robust electro-optic properties. It was found that the ultra-small nanorods had an inherent dipole moment, which showed high miscibility in the LC host and produced well-organized locally aligned arrays. It was observed that this local ordering influenced the global ordering of the blend and allowed a rapid response of the electro-optic properties. The study concluded that the blend exhibited excellent tunable polarizations from vertical to grazing view angles and adjustable anisotropy for the improvement of contrast ratios and view angles of LC displays.

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Nanorod-driven orientational control of liquid crystal for polarization-tailored electro-optic devices

Abstract

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