Carbon nanotube based transparent conductive thin films

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Carbon nanotube (CNT) based optically transparent and electrically conductive thin films are fabricated on plastic substrates in this study. Single-walled carbon nanotubes (SWNTs) are chemically treated with a mixture of concentrated suffuric acid and nitric acid before being dispersed in aqueous surfactant-contained solutions. SWNT thin films are prepared from the stable SWNT solutions using wet coating techniques. The 100 nm thick SWNT thin film exhibits a surface resistivity of 6 kΩ/□ with an average transmittance of 88% on the visible light range, which is three times better than the films prepared from the high purity as-received SWNTs.

Original languageEnglish (US)
Pages (from-to)1939-1944
Number of pages6
JournalJournal of Nanoscience and Nanotechnology
Issue number7
StatePublished - Jul 2006


  • Acid Treatment
  • Carbon Nanotube
  • Conductive
  • Thin Film
  • Transparent


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