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Journal of Applied Electrochemistry

, Volume 36, Issue 8, pp 889–898 | Cite as

Electrolyte and solvent effects of electrocoated polycarbazole thin films on carbon fiber microelectrodes

  • A. Sezai SaracEmail author
  • Murat Ates
  • Elif Altürk Parlak
Article

Abstract

Carbazole was electrochemically synthesized on carbon fiber microelectrodes (CFMEs) in different electrolyte and solvent media. The characterization of polycarbazole thin films formed on micron sized carbon fiber electrodes was performed by electrochemical methods (i.e., cyclic voltammetric measurements, solid state conductivity measurements (four point probe), spectrophotometric methods (ultraviolet/visible spectroscopy (UV–vis), ex situ spectroelectrochemistry, fourier transform infrared reflectance spectroscopy (FTIR-ATR)) and scanning electron microscopy (SEM). The best electrolyte and solvent in regards to yield, conductivity and charge for the electro-grafting was sodium perchlorate in acetonitrile, whose conductivity was 3.60 mS cm−1, had a yield of 89% and had a charge of 5.50C. The effects of scan rate, feed ratio, supporting electrolyte and solvent type on the electropolymerization are discussed.

Key words

carbon fiber microelectrode (CFME) cyclic voltammogram electrocoating electropolymerization polycarbazole thin films 

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Notes

Acknowledgements

The authors would like to thank Prof Dr Wolfgang Schuhmann (Ruhr-Universität Bochum, Germany, Analytical Chemistry – Elektroanalytik & Sensorik, for the permission to perform the SEM measurements, (Leo 1530-Gemini machine (Oberkochen, Germany)), which were performed by E. Florin Turcu.

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Copyright information

© Springer Science+Business Media B.V. 2006

Authors and Affiliations

  • A. Sezai Sarac
    • 1
    Email author
  • Murat Ates
    • 1
  • Elif Altürk Parlak
    • 1
  1. 1.Department of ChemistryPolymer Science and Technology, Istanbul Technical UniversityMaslakTurkey

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