Electrical and physicochemical properties of Poly(3,4-ethylenedioxythiophene)-based organic-inorganic hybrid conductive thin films

Jong Seob Choi, Jong Ki Jeon, Young Soo Ko, Young Kwon Park, Sung Gil Kim, Jin Heong Yim

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Conductive polymer coating precursors were prepared using poly (3, 4-ehtylenedioxythiophene) (PEDOT) and three kinds of silane precursors (Q type, T type, and bridged T type) through an in-situ organic/inorganic hybrid sol-gel process. The spin-coated precursor films on Poly(ethyleneterephthalate) substrate exhibited fairly good surface resistance (~ 104 Ω/□), transparency (~ 80%) and pencil hardness (2 - 4 H). The solvent resistance of the film using 2, 5-bis (triethoxysilyl)-3, 4-ethylenedioxythiophene (BTES-EDOT) was excellent as compared with the films that used silane precursors due to a high degree of BTES-EDOT crosslinking in the hybrid film. Moreover, EDOT moiety in the BTES-EDOT molecule may contribute to homogeneous dispersion of the PEDOT in the organic-inorganic hybrid film.

Original languageEnglish
Pages (from-to)3645-3649
Number of pages5
JournalThin Solid Films
Volume517
Issue number13
DOIs
StatePublished - 1 May 2009

Keywords

  • Conductive thin film
  • Organic-inorganic hybrid
  • Poly (3, 4-ehtylenedioxythiophene)
  • Silsesquioxane

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