Poly(styrene-maleic anhydride) films as alignment layers for liquid crystal systems: Via ion-beam irradiation

H. Y. Mun; H. C. Jeong; J. H. Lee; J. H. Won; H. G. Park; B. Y. Oh; D. S. Seo

doi:10.1039/c6ra16833g

Poly(styrene-maleic anhydride) films as alignment layers for liquid crystal systems: Via ion-beam irradiation

H. Y. Mun, H. C. Jeong, J. H. Lee, J. H. Won, H. G. Park, B. Y. Oh, D. S. Seo

Department of Electrical and Electronic Engineering

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

16 Citations (Scopus)

Abstract

We report an investigation of poly(styrene-maleic anhydride) (SMA) films as liquid crystal (LC) alignment layers fabricated by ion-beam (IB) irradiation. We confirmed that SMA-deposited LC cells have superior optical properties by measuring the transmittance and phase differences. Using an IB-irradiated SMA film for the alignment layer, we could confirm that uniform and homogeneous LC alignment was achieved, yielding extremely high-performance nematic liquid crystal (NLC) systems. The LC alignment mechanism was determined by X-ray photoelectron spectroscopy. IB irradiation caused chemical modifications that led to strong van der Waals forces between LCs and the modified SMA surface, thereby inducing uniform LC alignment. Moreover, the IB-irradiated SMA films exhibited good electro-optical characteristics. Therefore, these IB-irradiated SMA films are suitable as alternative alignment layers for LC display applications.

Original language	English
Pages (from-to)	76743-76747
Number of pages	5
Journal	RSC Advances
Volume	6
Issue number	80
DOIs	https://doi.org/10.1039/c6ra16833g
Publication status	Published - 2016

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Publisher Copyright:
© The Royal Society of Chemistry 2016.

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)

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10.1039/c6ra16833g

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title = "Poly(styrene-maleic anhydride) films as alignment layers for liquid crystal systems: Via ion-beam irradiation",

abstract = "We report an investigation of poly(styrene-maleic anhydride) (SMA) films as liquid crystal (LC) alignment layers fabricated by ion-beam (IB) irradiation. We confirmed that SMA-deposited LC cells have superior optical properties by measuring the transmittance and phase differences. Using an IB-irradiated SMA film for the alignment layer, we could confirm that uniform and homogeneous LC alignment was achieved, yielding extremely high-performance nematic liquid crystal (NLC) systems. The LC alignment mechanism was determined by X-ray photoelectron spectroscopy. IB irradiation caused chemical modifications that led to strong van der Waals forces between LCs and the modified SMA surface, thereby inducing uniform LC alignment. Moreover, the IB-irradiated SMA films exhibited good electro-optical characteristics. Therefore, these IB-irradiated SMA films are suitable as alternative alignment layers for LC display applications.",

author = "Mun, {H. Y.} and Jeong, {H. C.} and Lee, {J. H.} and Won, {J. H.} and Park, {H. G.} and Oh, {B. Y.} and Seo, {D. S.}",

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doi = "10.1039/c6ra16833g",

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T1 - Poly(styrene-maleic anhydride) films as alignment layers for liquid crystal systems

T2 - Via ion-beam irradiation

AU - Mun, H. Y.

AU - Jeong, H. C.

AU - Lee, J. H.

AU - Won, J. H.

AU - Park, H. G.

AU - Oh, B. Y.

AU - Seo, D. S.

PY - 2016

Y1 - 2016

N2 - We report an investigation of poly(styrene-maleic anhydride) (SMA) films as liquid crystal (LC) alignment layers fabricated by ion-beam (IB) irradiation. We confirmed that SMA-deposited LC cells have superior optical properties by measuring the transmittance and phase differences. Using an IB-irradiated SMA film for the alignment layer, we could confirm that uniform and homogeneous LC alignment was achieved, yielding extremely high-performance nematic liquid crystal (NLC) systems. The LC alignment mechanism was determined by X-ray photoelectron spectroscopy. IB irradiation caused chemical modifications that led to strong van der Waals forces between LCs and the modified SMA surface, thereby inducing uniform LC alignment. Moreover, the IB-irradiated SMA films exhibited good electro-optical characteristics. Therefore, these IB-irradiated SMA films are suitable as alternative alignment layers for LC display applications.

AB - We report an investigation of poly(styrene-maleic anhydride) (SMA) films as liquid crystal (LC) alignment layers fabricated by ion-beam (IB) irradiation. We confirmed that SMA-deposited LC cells have superior optical properties by measuring the transmittance and phase differences. Using an IB-irradiated SMA film for the alignment layer, we could confirm that uniform and homogeneous LC alignment was achieved, yielding extremely high-performance nematic liquid crystal (NLC) systems. The LC alignment mechanism was determined by X-ray photoelectron spectroscopy. IB irradiation caused chemical modifications that led to strong van der Waals forces between LCs and the modified SMA surface, thereby inducing uniform LC alignment. Moreover, the IB-irradiated SMA films exhibited good electro-optical characteristics. Therefore, these IB-irradiated SMA films are suitable as alternative alignment layers for LC display applications.

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ER -

Poly(styrene-maleic anhydride) films as alignment layers for liquid crystal systems: Via ion-beam irradiation

Abstract

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