Thermal and electro-optical properties of cerium-oxide-doped liquid-crystal devices

Hyo Young Mun, Hong Gyu Park, Hae Chang Jeong, Ju Hwan Lee, Byeong Yun Oh, Dae Shik Seo

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Doping with cerium (IV) oxide (CeO2) nanoparticles can significantly enhance the thermal stability and electro-optical (EO) properties of nematic liquid crystal (NLC) systems. Thermal stability was improved without aggregation and reduction of transmittance by adding CeO2 nanoparticles in a liquid crystal medium. In particular, the EO properties greatly improved in CeO2-dispersed NLC cells. The threshold voltage reduced from 3.027 to 2.279 V and the response time decreased from 13.097 to 9.970 ms with increased CeO2 nanoparticles in the NLC cells. The improved properties of liquid crystals doped with CeO2 nanoparticles depend on the anchoring energy and the electric field of the CeO2-dispersed liquid crystal displays.

Original languageEnglish
Pages (from-to)538-543
Number of pages6
JournalLiquid Crystals
Volume44
Issue number3
DOIs
Publication statusPublished - 2017 Feb 19

Fingerprint

Liquid Crystals
cerium oxides
Cerium
doped crystals
Liquid crystals
Nematic liquid crystals
Optical properties
liquid crystals
Nanoparticles
optical properties
Oxides
nanoparticles
Thermodynamic stability
thermal stability
Liquid crystal displays
Threshold voltage
Agglomeration
Electric fields
Doping (additives)
cerium

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Mun, Hyo Young ; Park, Hong Gyu ; Jeong, Hae Chang ; Lee, Ju Hwan ; Oh, Byeong Yun ; Seo, Dae Shik. / Thermal and electro-optical properties of cerium-oxide-doped liquid-crystal devices. In: Liquid Crystals. 2017 ; Vol. 44, No. 3. pp. 538-543.
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Thermal and electro-optical properties of cerium-oxide-doped liquid-crystal devices. / Mun, Hyo Young; Park, Hong Gyu; Jeong, Hae Chang; Lee, Ju Hwan; Oh, Byeong Yun; Seo, Dae Shik.

In: Liquid Crystals, Vol. 44, No. 3, 19.02.2017, p. 538-543.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Thermal and electro-optical properties of cerium-oxide-doped liquid-crystal devices

AU - Mun, Hyo Young

AU - Park, Hong Gyu

AU - Jeong, Hae Chang

AU - Lee, Ju Hwan

AU - Oh, Byeong Yun

AU - Seo, Dae Shik

PY - 2017/2/19

Y1 - 2017/2/19

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AB - Doping with cerium (IV) oxide (CeO2) nanoparticles can significantly enhance the thermal stability and electro-optical (EO) properties of nematic liquid crystal (NLC) systems. Thermal stability was improved without aggregation and reduction of transmittance by adding CeO2 nanoparticles in a liquid crystal medium. In particular, the EO properties greatly improved in CeO2-dispersed NLC cells. The threshold voltage reduced from 3.027 to 2.279 V and the response time decreased from 13.097 to 9.970 ms with increased CeO2 nanoparticles in the NLC cells. The improved properties of liquid crystals doped with CeO2 nanoparticles depend on the anchoring energy and the electric field of the CeO2-dispersed liquid crystal displays.

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