Sol-gel deposited aluminum-doped and gallium-doped zinc oxide thin-film transparent conductive electrodes with a protective coating of reduced graphene oxide

Zhaozhao Zhu, Trent Mankowski, Kaushik Balakrishnan, Ali Sehpar Shikoh, Farid Touati, Mohieddine A. Benammar, Masud Mansuripur, Charles M Falco

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

Using a traditional sol-gel deposition technique, we successfully fabricated aluminum-doped zinc oxide (AZO) and gallium-doped zinc oxide (GZO) thin films on glass substrates. Employing a plasma treatment method as the postannealing process, we produced thin-film transparent conductive electrodes exhibiting excellent optical and electrical properties, with transmittance greater than 90% across the entire visible spectrum and the near-infrared range, as well as good sheet resistance under 200 Ω/sq. More importantly, to improve the resilience of our fabricated thin-film samples at elevated temperatures and in humid environments, we deposited a layer of reduced graphene oxide (rGO) as protective overcoating. The stability of our composite AZO/rGO and GZO/rGO samples improved substantially compared to that of their counterparts with no rGO coating.

Original languageEnglish (US)
Article number026001
JournalJournal of Nanophotonics
Volume10
Issue number2
DOIs
StatePublished - Apr 1 2016

Keywords

  • conductive electrodes
  • nanophotonics materials
  • thin-film electrodes
  • transparent conductive materials

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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