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A ferrocene crown ether–functionalized polypyrrole film electrode for the electrochemical recognition of barium and calcium cations

Authors

  • Dr. Alina Ion,

    1. Laboratoire d'Electrochimie Organique et de Photochimie Redox UMR CNRS 5630
    2. Université Joseph Fourier, UFR de Chimie BP 53, F-38041 Grenoble Cedex 9 (France)
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    • Department of Chemistry, Politehnica University, Bucharest (Romania).

  • Dr. Ion Ion,

    1. Laboratoire d'Electrochimie Organique et de Photochimie Redox UMR CNRS 5630
    2. Université Joseph Fourier, UFR de Chimie BP 53, F-38041 Grenoble Cedex 9 (France)
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    • Department of Chemistry, Politehnica University, Bucharest (Romania).

  • Dr. Angela Popescu,

    1. Laboratoire d'Electrochimie Organique et de Photochimie Redox UMR CNRS 5630
    2. Université Joseph Fourier, UFR de Chimie BP 53, F-38041 Grenoble Cedex 9 (France)
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    • Department of Chemistry, Politehnica University, Bucharest (Romania).

  • Dr. Mihaela Ungureanu,

    1. Laboratoire d'Electrochimie Organique et de Photochimie Redox UMR CNRS 5630
    2. Université Joseph Fourier, UFR de Chimie BP 53, F-38041 Grenoble Cedex 9 (France)
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    • Department of Chemistry, Politehnica University, Bucharest (Romania).

  • Dr. Jean-Claude Moutet,

    Corresponding author
    1. Laboratoire d'Electrochimie Organique et de Photochimie Redox UMR CNRS 5630
    2. Université Joseph Fourier, UFR de Chimie BP 53, F-38041 Grenoble Cedex 9 (France)
    • Laboratoire d'Electrochimie Organique et de Photochimic Redox UMR CNRS 5630
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  • Dr. Eric Saint-Aman

    Corresponding author
    1. Laboratoire d'Electrochimie Organique et de Photochimie Redox UMR CNRS 5630
    2. Université Joseph Fourier, UFR de Chimie BP 53, F-38041 Grenoble Cedex 9 (France)
    • Laboratoire d'Electrochimie Organique et de Photochimic Redox UMR CNRS 5630
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  • The authors thank “Region Rhône-Alpes” for partial financial support through the TEMPRA program. Dr. A. Deronzier is warmly acknowledged for fruitful discussions.

Abstract

Transfer of the recognition activity of a ferrocene ionophore to an electrode surface from the homogeneous phase has been successfully accomplished for the first time. The synthesis and electrochemical characterization of a new pyrrole-substituted ferrocene crown ether are described, followed by the formation of the corresponding polymer film modified electrode. It is shown that the electrode exhibits amperometric recognition in an organic solvent of Ca2⊕ and Ba2⊕ among the alkaline and alkaline earth metal cations.

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