A review on conjugated polymer-based electronic tongues

Parastoo Vahdatiyekta, Mohammed Zniber, Johan Bobacka, Tan-Phat Huynh*

*Corresponding author for this work

Research output: Contribution to journalReview Article or Literature Reviewpeer-review

28 Citations (Scopus)
124 Downloads (Pure)

Abstract

Electronic tongues (e-tongues) are analytical technologies that mimic the biological tongues which are non-specific, low-selective, and cross-sensitive taste systems. The e-tongues consist of an array of sensors, being able to produce electrical signals that correspond to particular chemical compositions of a sample solution. The performance and efficiency of e-tongues have been optimized for many years via the development of novel materials and technologies. Various conjugated polymers (CPs) have been used in e-tongues over the past decades thanks to their fascinating electrical properties and wide-ranging chemistries. In most studies, CPs such as polypyrrole (PPy), polyaniline (PANI), polythiophene (PT), and poly(3,4-ethylenedioxythiophene) (PEDOT), have drawn considerable interest in e-tongues because of their controllable electrical properties, relatively facile and cost-effective preparation, and good environmental stability that can significantly enhance their versatility, compared to other types of e-tongues. This review article reports major conjugated polymer-based e-tongues (CPETs) that have been studied with these aforementioned CPs over the last two decades.

Original languageEnglish
Article number340114
JournalAnalytica Chimica Acta
Volume1221
DOIs
Publication statusPublished - 15 Aug 2022
MoE publication typeA2 Review article in a scientific journal

Keywords

  • Conjugated polymer
  • Electronic tongue
  • poly(3,4-ethylenedioxythiophene)
  • Polyaniline
  • Polypyrrole
  • Polythiophene

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