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, Dae-Shik Seo

Research output: Contribution to journalArticle

5 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 languageEnglish
Pages (from-to)76743-76747
Number of pages5
JournalRSC Advances
Volume6
Issue number80
DOIs
Publication statusPublished - 2016 Jan 1

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Maleic Anhydrides
Liquid Crystals
Styrene
Maleic anhydride
Liquid crystals
Ion beams
Irradiation
Van der Waals forces
Nematic liquid crystals
Chemical modification
Liquid crystal displays
X ray photoelectron spectroscopy
Optical properties

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Mun, H. Y. ; Jeong, H. C. ; Lee, J. H. ; Won, J. H. ; Park, H. G. ; Oh, B. Y. ; Seo, Dae-Shik. / Poly(styrene-maleic anhydride) films as alignment layers for liquid crystal systems : Via ion-beam irradiation. In: RSC Advances. 2016 ; Vol. 6, No. 80. pp. 76743-76747.
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Poly(styrene-maleic anhydride) films as alignment layers for liquid crystal systems : Via ion-beam irradiation. / Mun, H. Y.; Jeong, H. C.; Lee, J. H.; Won, J. H.; Park, H. G.; Oh, B. Y.; Seo, Dae-Shik.

In: RSC Advances, Vol. 6, No. 80, 01.01.2016, p. 76743-76747.

Research output: Contribution to journalArticle

TY - JOUR

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.

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AU - Seo, Dae-Shik

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