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

Publication: Research - peer-reviewJournal article – Annual report year: 2010

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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
Publication date2010
Volume87
Issue5-8
Pages1239-1241
ISSN0167-9317
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 4

Keywords

  • Hot embossing, PEDOT Glucose detection, Polymer Electrochemical sensor
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