Liquid crystal orientation on solution processed zinc oxide inorganic films according to molecular concentration

Jong Jin Lee, Jae Jun Han, Hong Gyu Park, Dai Hyun Kim, Sang Un Byun, Dae Shik Seo

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In this paper we present the characteristics of molar concentration- dependent zinc oxide (ZnO) inorganic films deposited by the solution process for application in liquid crystal displays. ZnO surfaces supported homogeneously aligned liquid crystal (LC) molecules based on an ion-beam (IB) irradiation system. Uniform LC alignment was obtained at ZnO molar concentrations greater than 0.25 mol l-1. X-ray photoelectron spectroscopic (XPS) analysis revealed that changes in the orientation of LC molecules occurred on the ZnO layer. The electro-optic characteristics of the aligned homogenous LCs and twisted nematic (TN) mode based on the ZnO layer were comparable to those based on polyimide, which showed good potential as ZnO surfaces as an alignment layer.

Original languageEnglish
Pages (from-to)2658-2663
Number of pages6
JournalOptical Materials
Volume35
Issue number12
DOIs
Publication statusPublished - 2013 Oct

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Computer Science(all)
  • Atomic and Molecular Physics, and Optics
  • Spectroscopy
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Electrical and Electronic Engineering

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