Fused silver nanowires with metal oxide nanoparticles and organic polymers for highly transparent conductors

Rui Zhu, Choong Heui Chung, Kitty C. Cha, Wenbing Yang, Yue Bing Zheng, Huanping Zhou, Tze Bin Song, Chun Chao Chen, Paul S. Weiss, Gang Li, Yang Yang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

329 Citations (Scopus)


Silver nanowire (AgNW) networks are promising candidates to replace indium-tin-oxide (ITO) as transparent conductors. However, complicated treatments are often required to fuse crossed AgNWs to achieve low resistance and good substrate adhesion. In this work, we demonstrate a simple and effective solution method to achieve highly conductive AgNW composite films with excellent optical transparency and mechanical properties. These properties are achieved via sequentially applying TiO2sol-gel and PEDOT:PSS solution to treat the AgNW film. TiO2solution volume shrinkage and the capillary force induced by solvent evaporation result in tighter contact between crossed AgNWs and improved film conductivity. The PEDOT:PSS coating acts as a protecting layer to achieve strong adhesion. Organic photovoltaic devices based on the AgNW-TiO2-PEDOT:PSS transparent conductor have shown comparable performance to those based on commercial ITO substrates.
Original languageEnglish
Pages (from-to)9877-9882
Number of pages6
JournalACS Nano
Issue number12
Publication statusPublished - 27 Dec 2011
Externally publishedYes


  • capillary force
  • self-assembly
  • silver nanowire
  • solar cells
  • solution process
  • TiO 2
  • transparent electrode

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)
  • Physics and Astronomy(all)


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