Fabrication of an all-polymer electrochemical sensor by using a one-step hot embossing procedure.

Jan Robert Kafka, Niels Bent Larsen, Steen Skaarup, Oliver Geschke

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We present a fast one-step hot embossing procedure for fabricating an all-polymer electrochemical sen¬sor based on a thin, conductive film of poly(3,4-ethylenedioxythiophene) (PEDOT), a few 100s of nano¬meters in thickness, polymerised on top of a non-conductive TOPAS® (Cyclic Olefin Copolymer) carrier material. A microfluidic channel was embossed into this two component system. Working (WE) and counter (CE) electrode were integrated into the channel by embossing slopes into the channel sidewalls. Since both electrodes were placed at opposite channel sidewalls, electrical disconnection of electrodes was achieved by spatial separation (Fig. 1). Functionality of the electrochemical system was shown by amperometric detection of physiologically relevant glucose concentrations (0–10 mM).
Original languageEnglish
JournalMicroelectronic Engineering
Volume87
Issue number5-8
Pages (from-to)1239-1241
ISSN0167-9317
DOIs
Publication statusPublished - 2010

Keywords

  • Hot embossing
  • PEDOT Glucose detection
  • Polymer Electrochemical sensor

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