Printed all-polymer electrochemical transistors on patterned ion conducting membranes

Nikolai Kaihovirta (Corresponding Author), Tapio Mäkelä, Xuehan He, Carl-Johan Wikman, Carl-Erik Wilén, Ronald Österbacka

Research output: Contribution to journalArticleScientificpeer-review

24 Citations (Scopus)

Abstract

We report a simple and roll-to-roll suitable method of manufacturing low-voltage, all-polymer electrochemical transistors (ECTs). The ECTs are built on self-supported and patterned ion conducting membranes that are tailor-made by the electron beam irradiation induced grafting technique. The redox-active poly(3,4-ethylene dioxythiophene)/poly(styrene sulfonate) (PEDOT/PSS) is then printed by flexography onto the membrane in one fabrication step. The ECTs are “normally-on” devices that operate below 2 V. We also utilize overoxidation of PEDOT in order to demonstrate write-once read many times (WORM) memory functionality in the ECT.
Original languageEnglish
Pages (from-to)1207-1211
Number of pages5
JournalOrganic Electronics
Volume11
Issue number7
DOIs
Publication statusPublished - 2010
MoE publication typeA1 Journal article-refereed

Keywords

  • Electrochemical transistor
  • organic transistor
  • all-polymer
  • PEDOT/PSS
  • roll-to-roll
  • WORM

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