Ultrahigh Aspect Ratio Copper-Nanowire-Based Hybrid Transparent Conductive Electrodes with PEDOT: PSS and Reduced Graphene Oxide Exhibiting Reduced Surface Roughness and Improved Stability

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

Research output: Contribution to journalArticle

62 Scopus citations

Abstract

Copper nanowires (CuNWs) with ultrahigh aspect ratio are synthesized with a solution process and spray-coated onto select substrates to fabricate transparent conductive electrodes (TCEs). Different annealing methods are investigated and compared for effectiveness and convenience. The CuNWs are subsequently combined with the conductive polymer poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS) or with reduced graphene oxide (rGO) platelets in order to reduce the surface roughness and improve the durability of the fabricated TCEs. Our best-performing PEDOT:PSS/CuNW films have optical transmittance T<inf>550</inf> = 84.2% (at λ = 550 nm) and sheet resistance R<inf>s</inf> = 25 Ω/sq, while our best CuNW/rGO films have T<inf>550</inf> = 84% and R<inf>s</inf> = 21.7 Ω/sq.

Original languageEnglish (US)
Pages (from-to)16223-16230
Number of pages8
JournalACS Applied Materials and Interfaces
Volume7
Issue number30
DOIs
StatePublished - Aug 5 2015

Keywords

  • conductive polymer
  • hybrid thin films
  • nanowires
  • reduced graphene oxide
  • transparent conductive electrodes

ASJC Scopus subject areas

  • Materials Science(all)

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