Transparent conducting electrodes based on thin, ultra-long copper nanowires and graphene nano-composites

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

doi:10.1117/12.2062238

7 October 2014 Transparent conducting electrodes based on thin, ultra-long copper nanowires and graphene nano-composites

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

Author Affiliations +

Proceedings Volume 9177, Thin Films for Solar and Energy Technology VI; 91770J (2014) https://doi.org/10.1117/12.2062238
Event: SPIE Solar Energy + Technology, 2014, San Diego, California, United States

Abstract

High aspect-ratio ultra-long (> 70 μm) and thin (< 50 nm) copper nanowires (Cu-NW) were synthesized in large quantities using a solution-based approach. The nanowires, along with reduced graphene-oxide sheets, were coated onto glass as well as plastic substrates, thus producing transparent conducting electrodes. Our fabricated transparent electrodes achieved high optical transmittance and low sheet resistance, comparable to those of existing Indium Tin Oxide (ITO) electrodes. Furthermore, our electrodes show no notable loss of performance under high temperature and high humidity conditions. Adaptations of such nano-materials into smooth and ultrathin films lead to potential alternatives for the conventional tin-doped indium oxide, with applications in a wide range of solar cells, flexible displays, and other opto-electronic devices.

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Zhaozhao Zhu, Trent S. Mankowski, Kaushik Balakrishnan, Ali Sehpar Shikoh, Farid Touati, Mohieddine A. Benammar, Masud Mansuripur, and Charles M. Falco "Transparent conducting electrodes based on thin, ultra-long copper nanowires and graphene nano-composites", Proc. SPIE 9177, Thin Films for Solar and Energy Technology VI, 91770J (7 October 2014); https://doi.org/10.1117/12.2062238

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KEYWORDS

Nanowires

Electrodes

Technetium

Copper

Resistance

Graphene

Thin films

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