Electroactive conducting blends of poly(o-toluidine) and poly(vinylidene fluoride) and characterisation

C. Sivakumar, T. C. Wen, A. Gopalan, H. Teng

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

Conducting blends of poly(o-toluidine) (POT) with poly(vinylidene fluoride) (PVDF) were prepared by solution casting method. POT doped with H2SO4 or p-toluene sulphonic acid (PTSA) was used for making the blends. Flexible, free standing conducting polyblends were obtained and characterised by electrical conductivity measurements, UV-Vis, FT-IR spectroscopy, thermogravimetric analysis (TGA), differential scanning colorimetry (DSC) and cyclic voltammetry. The conductivity of the blend was found to increase with POT content in the blend. A low percolation threshold (2%) was noted for the blends. Thermal stability of the blends was found to be better. The changes in the crystalline phase of PVDF were observed through FT-IR spectroscopy and DSC measurements. The blend films were electrochemically stable and showed electrochemical properties similar to POT.

Original languageEnglish
Pages (from-to)219-226
Number of pages8
JournalSynthetic Metals
Volume132
Issue number3
DOIs
Publication statusPublished - 2003 Jan 31

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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