Effect of the Physicochemical Modification on Bismuth-doped Zinc Oxide in the Anisotropic Orientation of Liquid Crystal Molecules

Hae Chang Jeong, Eun Mi Kim, Gi Seok Heo, Ju Hwan Lee, Jong Hoon Won, Dong Hyun Kim, Dong Wook Lee, Jeong Min Han, Tae Wan Kim, Dae Shik Seo

Research output: Contribution to journalArticle

Abstract

Alignment of liquid crystals by ion-beam (IB) irradiated bismuth-doped zinc oxide (BZO) films was investigated. The BZO alignment layer was deposited using a simple solution process, and IB irradiation of the BZO was used to induce surface-alignment of LC molecules uniformly. Solution-processed thin films have numerous advantages, including low manufacturing cost, simplicity of fabrication, and high productivity. IB irradiation of the BZO film induces a drastic improvement in the uniformity of the BZO surface and creates physico-chemical modifications that preserve the anisotropic characteristics of the surface, thereby unidirectionally aligning the LC molecules.

Original languageEnglish
Article number043001
JournalECS Journal of Solid State Science and Technology
Volume9
Issue number4
DOIs
Publication statusPublished - 2020 Jan 5

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials

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