Designing polypyrrole-based sensors: selective electrochemical cation in aza crown ethers

H. Korri Youssoufi, A. Yassar, S. Baïteche, M. Hmyene, F. Garnier

Research output: Contribution to journalArticlepeer-review

Abstract

The synthesis of new functionalized conducting polypyrroles bearing aza crown ethers of variable cage size at the 3-carbon atom of pyrrole is described. The electrochemical selectivity of these electropolymerized polymers towards cations has been analyzed in organic media using the alkaline series Li+, Na+ and K+. A selectivity towards Na+ and K+ is clearly evidenced and discussed in terms of cage size. This result brings an interesting example of transduction of a chemical information into an electrical signal.

Original languageEnglish
Pages (from-to)251-254
Number of pages4
JournalSynthetic Metals
Volume67
Issue number1-3
DOIs
Publication statusPublished - 1 Jan 1994

Keywords

  • Crown ethers
  • Polypyrrole
  • Sensors

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