The preparation and characteristics of conductive poly(3,4-ethylenedioxythiophene) thin film by vapor-phase polymerization

Jinyeol Kim, Eungryul Kim, Youngsoon Won, Haeseong Lee, Kwangsuck Suh

Research output: Contribution to journalArticlepeer-review

149 Citations (Scopus)

Abstract

The conductive thin films of ferric chloride doped poly(3,4-ethylenedioxythiophene) (PEDOT: Fig. 1) were obtained by in situ vapor-phase polymerization method under ambient conditions. Homogeneous thin conductive PEDOT films were uniformly fabricated at nano-level thickness (20-300nm) on the substrates. The surface resistance of the PEDOT films with 300nm thick was enhanced up to 500Ω/sq, and the light transmittance were also increased as up to 95% in case of a film below 40nm thick. The growth of highly ordered conductive PEDOT crystalline microstructure, which high anisotropy, parallel to the substrate film fabricated above 60°C, was observed by atomic force microscopy (AFM).

Original languageEnglish
Pages (from-to)485-489
Number of pages5
JournalSynthetic Metals
Volume139
Issue number2
DOIs
Publication statusPublished - 2003 Sept 5

Keywords

  • AFM
  • Conductive polymer
  • Nano thickness
  • Poly(3,4-ethylenedioxythiophene)
  • Vapor-phase polymerization

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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