Electrical conductivity of pristine and doped polyperinaphthalene

Z. Iqbal, C. Maleysson, R. H. Baughman

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13 Scopus citations

Abstract

Measurements of the d.c. conductivity (7 to 300 K) of pristine and doped (iodine, FeCl3 and NbCl5) microcrystalline, polyperinaphthalene (PPN), (C10H4)x, are reported. The undoped polymer displays semiconducting behavior if prepared by polymerization at 650°C or a lower temperature, but there is a change to metallic behavior for polymerization temperatures (Tp) between 650 and 800°C. Samples prepared at Tp ≤ 650°C, which are structurally more regular (as indicated by X-ray and Raman data), display temperature dependences suggesting a variable-range hopping transport mechanism. I2, FeCl3 and NbCl5 doping result in an increase in the room temperature conductivity coupled with changes in the temperature dependence of the conductivity.

Original languageEnglish (US)
Pages (from-to)161-167
Number of pages7
JournalSynthetic Metals
Volume15
Issue number2-3
DOIs
StatePublished - 1986
Externally publishedYes

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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