All-polymer FET based on simple photolithographic micro-patterning of electrically conducting polymer

Myung Sub Lee, Sung Bum Lee, Jun Young Lee, Han Saem Kang, Hyun Suk Kang, Jinsoo Joo, Arthur J. Epstein

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We fabricated All-polymer FET (field effect transistor) whose substrate., insulating layer, active layer, and electrodes were composed of the organic polymeric materials. Active layer and all electrodes were made by the simple photolithographic micro-patterning of the electrically conducting poly(3,4-ethylenedioxythiophene). We figured out source-drain current (I SD) of the FET decreased with increase of the positive gate voltage (VG), implying the p-type FET worked in the depletion mode. Turn-off gate voltage, trans-conductance and on/off ratio were measured to be +30 V, -1. 2 μA/V, and 104, respectively. We believe the All-polymer FET has significant advantages over other existing organic FETs since the device can be fabricated by the simple process at room temperature.

Original languageEnglish
Pages (from-to)171-178
Number of pages8
JournalMolecular Crystals and Liquid Crystals
Volume405
DOIs
Publication statusPublished - 2003 Dec 1

Fingerprint

Conducting polymers
conducting polymers
Field effect transistors
Polymers
field effect transistors
polymers
Electrodes
electrodes
Drain current
Electric potential
electric potential
depletion
conduction
room temperature
Substrates
Temperature

Keywords

  • All-polymer FET
  • Electrically conducting polymer
  • Field effect transistor
  • Photolithographic micro-patterning
  • Poly(3,4-ethylenedioxythiophene)

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

All-polymer FET based on simple photolithographic micro-patterning of electrically conducting polymer. / Lee, Myung Sub; Lee, Sung Bum; Lee, Jun Young; Kang, Han Saem; Kang, Hyun Suk; Joo, Jinsoo; Epstein, Arthur J.

In: Molecular Crystals and Liquid Crystals, Vol. 405, 01.12.2003, p. 171-178.

Research output: Contribution to journalArticle

Lee, Myung Sub ; Lee, Sung Bum ; Lee, Jun Young ; Kang, Han Saem ; Kang, Hyun Suk ; Joo, Jinsoo ; Epstein, Arthur J. / All-polymer FET based on simple photolithographic micro-patterning of electrically conducting polymer. In: Molecular Crystals and Liquid Crystals. 2003 ; Vol. 405. pp. 171-178.
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