Effect of transparent conductive layers on the functionality of liquid crystal devices: Comparison of AZO, FTO and ITO

Vera Marinova*, Stefan Petrov, Dimitrina Petrova, Blagovest Napoleonov, Nguyen Hong Minh Chau, Yu Pin Lan, Velichka Strijkova, Ken Yuh Hsu, Dimitre Dimitrov, Shiuan Huei Lin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The integration of highly transparent and highly conductive layers plays a crucial role in the advancement of various next-generation optoelectronic technologies. Here, we demonstrate a comparison of optical, electrical and wettability properties of Aluminum-doped Zinc Oxide (AZO) deposited by Atomic Layer Deposition Technique (ALD) with commercially available Fluorine-doped Tin Oxide (FTO) and Indium-doped Tin Oxide (ITO) Transparent Conductive Oxide (TCO) layers. Their impact on the electro-optical modulation behavior when applied in Liquid Crystal (LC) device assemblies are compared and discussed. The AZO layers performance prove that are fully competitive to the commercial FTO and ITO layers and verify the high demand for the next generation indium tin oxide (ITO)-free technology.

Original languageEnglish
Article number100330
JournalOptical Materials: X
Volume22
DOIs
StatePublished - May 2024

Keywords

  • Aluminum-doped zinc oxide (AZO)
  • Electrical properties
  • Liquid crystal device
  • Optical properties
  • Pre-tilt angle
  • Response time
  • Transparent conductive oxides (TCO)

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