The correlation between structure and charge transport of polypyrroles

J. S. Baeck, J. K. Lee, H. G. Song, K. S. Jang, E. J. Oh, J. Joo

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Abstract

The results of temperature dependence of dc conductivity (σdc(T)), magnetic susceptibility (χ), and X-ray photoelectron spectroscopy (XPS) are compared for electrochemically and chemically synthesized polypyrrole (PPy) samples. From the XPS experiments, interchain links or side chains for chemically synthesized PPy soluble in organic solvents are reduced by ∼ 10% compared to those of electrochemically synthesized PPy because of chemical process using large size dopant. Based on temperature dependence of σdc(T), the systems are in the insulator or the critical regime. The effects of dopant on structure and charge transport of PPy systems are discussed.

Original languageEnglish
Number of pages1
JournalSynthetic Metals
Volume101
Issue number1-3
Publication statusPublished - 1999 Dec 1

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Keywords

  • Chemically synthesized polypyrrole
  • Conductivity
  • EPR
  • Electrochemically synthesized polypyrrole
  • XPS

ASJC Scopus subject areas

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

Cite this

Baeck, J. S., Lee, J. K., Song, H. G., Jang, K. S., Oh, E. J., & Joo, J. (1999). The correlation between structure and charge transport of polypyrroles. Synthetic Metals, 101(1-3).