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 IV; Mohieddine A. Benammar; Masud Mansuripur; Charles M. Falco

doi:10.1117/1.JNP.10.026001

1 April 2016 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 IV, Mohieddine A. Benammar, Masud Mansuripur, Charles M. Falco

Author Affiliations +

Journal of Nanophotonics, Vol. 10, Issue 2, 026001 (April 2016). https://doi.org/10.1117/1.JNP.10.026001

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.

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Zhaozhao Zhu, Trent Mankowski, Kaushik Balakrishnan, Ali Sehpar Shikoh, Farid Touati IV, Mohieddine A. Benammar, Masud Mansuripur, and Charles M. Falco "Sol-gel deposited aluminum-doped and gallium-doped zinc oxide thin-film transparent conductive electrodes with a protective coating of reduced graphene oxide," Journal of Nanophotonics 10(2), 026001 (1 April 2016). https://doi.org/10.1117/1.JNP.10.026001

Published: 1 April 2016

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