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Improved electrical conductivity of graphene films integrated with metal nanowires

  • Iskandar N. Kholmanov
  • , Carl W. Magnuson
  • , Ali E. Aliev
  • , Huifeng Li
  • , Bin Zhang
  • , Ji Won Suk
  • , Li Li Zhang
  • , Eric Peng
  • , S. Hossein Mousavi
  • , Alexander B. Khanikaev
  • , Richard Piner
  • , Gennady Shvets
  • , Rodney S. Ruoff
  • University of Texas at Austin
  • University of Brescia
  • University of Texas at Dallas

Research output: Contribution to journal › Article › peer-review

Abstract

Polycrystalline graphene grown by chemical vapor deposition (CVD) on metals and transferred onto arbitrary substrates has line defects and disruptions such as wrinkles, ripples, and folding that adversely affect graphene transport properties through the scattering of the charge carriers. It is found that graphene assembled with metal nanowires (NWs) dramatically decreases the resistance of graphene films. Graphene/NW films with a sheet resistance comparable to that of the intrinsic resistance of graphene have been obtained and tested as a transparent electrode replacing indium tin oxide films in electrochromic (EC) devices. The successful integration of such graphene/NW films into EC devices demonstrates their potential for a wide range of optoelectronic device applications.

Original languageEnglish
Pages (from-to)5679-5683
Number of pages5
JournalNano Letters
Volume12
Issue number11
DOIs
StatePublished - 14 Nov 2012
Externally publishedYes

Keywords

  • electrochromic devices
  • Graphene
  • nanowires
  • transparent conductive films

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