Photolithographic patterning of electrically conducting polypyrrole film

Myong Soo Choi, Kitae Song, Young Chul Kim, Young Jun Kim, Jun Young Lee

Research output: Contribution to journalConference articlepeer-review

5 Citations (Scopus)

Abstract

The micro-patterns of electrically conducting polypyrrole (PPy) with line width as low as 30 μm have been successfully achieved using a photolithographic method. PPy as a conducting pattern was chemically polymerized within the poly (vinyl alcohol) (PVA) matrix layer where ferric p-toluenesulfonate as an oxidant was embedded in a designed architecture. Surface resistivity and transmittance at 600 nm of PPy regions were in the range of 103 ∼ 105 Ω/□ and 50% ∼ 90%, respectively. The resistances of PPy patterns were in the range of 10 4 ∼ 106 Ω, which is lower than that of PVA region by about 1010 times.

Original languageEnglish
Pages (from-to)181-184
Number of pages4
JournalMolecular Crystals and Liquid Crystals
Volume377
DOIs
Publication statusPublished - 2002
EventProceedings of the Korea-Japan Joint Forum on Organic Materials for Electronics and Photonics (KJF2001) - Seoul, Korea, Republic of
Duration: 25 Sept 200127 Sept 2001

Keywords

  • Electrically conducting polypyrrole
  • Micro-patterning
  • Photolithography

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