Voltage threshold behaviors of ZnO nanorod doped liquid crystal cell

Yubing Guo*, Yonghai Chen, Ying Xiang, Shengchun Qu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

With ZnO nanorods doped in only one poly (vinyl alcohol) (PVA) layer, we observed different threshold voltages with reverse DC voltages for a liquid crystal cell. The length and diameter of the ZnO nanorod used in our experiment were about 180 nm and 20 nm, respectively. When the PVA layer on the anodic side was doped, the threshold voltage was larger than that of the pure cell; conversely, when the PVA layer on the cathodic side was doped, the threshold voltage was smaller than that of the pure cell. These results can be explained by the internal electric field model. We also observed a resonance phenomenon with a low frequency AC voltage.

Original languageEnglish
Article number102003
JournalJournal of Semiconductors
Volume32
Issue number10
DOIs
Publication statusPublished - Oct 2011
Externally publishedYes

Keywords

  • ZnO nanorods
  • liquid crystal
  • voltage threshold

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