Thermoelectric power and conductivity of different types of polypyrrole

N. T. Kemp, A. B. Kaiser, C. J. Liu, B. Chapman, O. Mercier, A. M. Carr, H. J. Trodahl, R. G. Buckley, A. C. Partridge, J. Y. Lee, C. Y. Kim, A. Bartl, L. Dunsch, W. T. Smith, J. S. Shapiro

Research output: Contribution to journalArticle

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Abstract

We have measured the thermoelectric power and conductivity as a function of temperature of a wide range of polypyrrole samples, including a film of soluble polypyrrole synthesized chemically, and wrinkled films synthesized using indium-tin oxide electrodes; other samples investigated include high-conductivity polypyrrole films synthesized at different temperatures and current densities, films grown on nonconducting substrates, and polypyrrole gas sensors. The thermoelectric powers are remarkably similar and metal-like for the medium and high conductivity samples but show nonzero extrapolations to zero temperature for wrinkled samples. The temperature dependence of conductivity tends to be greater for samples of lower conductivity. In contrast to polyaniline and polyacetylene, a crossover to metallic sign for the temperature dependence of conductivity at higher temperatures is not observed in any of our samples; the fluctuation-induced tunnelling and variable-range hopping expressions account for nearly all our conductivity data except for low-temperature anomalies.

Original languageEnglish
Pages (from-to)953-960
Number of pages8
JournalJournal of Polymer Science, Part B: Polymer Physics
Volume37
Issue number9
DOIs
Publication statusPublished - 1999 May 1

Fingerprint

Thermoelectric power
polypyrroles
Polypyrroles
conductivity
Temperature
Polyacetylenes
temperature dependence
low conductivity
polyacetylene
indium oxides
tin oxides
Polyaniline
temperature
polypyrrole
Tin oxides
Chemical sensors
extrapolation
Extrapolation
crossovers
Indium

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Kemp, N. T. ; Kaiser, A. B. ; Liu, C. J. ; Chapman, B. ; Mercier, O. ; Carr, A. M. ; Trodahl, H. J. ; Buckley, R. G. ; Partridge, A. C. ; Lee, J. Y. ; Kim, C. Y. ; Bartl, A. ; Dunsch, L. ; Smith, W. T. ; Shapiro, J. S. / Thermoelectric power and conductivity of different types of polypyrrole. In: Journal of Polymer Science, Part B: Polymer Physics. 1999 ; Vol. 37, No. 9. pp. 953-960.
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Kemp, NT, Kaiser, AB, Liu, CJ, Chapman, B, Mercier, O, Carr, AM, Trodahl, HJ, Buckley, RG, Partridge, AC, Lee, JY, Kim, CY, Bartl, A, Dunsch, L, Smith, WT & Shapiro, JS 1999, 'Thermoelectric power and conductivity of different types of polypyrrole', Journal of Polymer Science, Part B: Polymer Physics, vol. 37, no. 9, pp. 953-960. https://doi.org/10.1002/(SICI)1099-0488(19990501)37:9<953::AID-POLB7>3.0.CO;2-L

Thermoelectric power and conductivity of different types of polypyrrole. / Kemp, N. T.; Kaiser, A. B.; Liu, C. J.; Chapman, B.; Mercier, O.; Carr, A. M.; Trodahl, H. J.; Buckley, R. G.; Partridge, A. C.; Lee, J. Y.; Kim, C. Y.; Bartl, A.; Dunsch, L.; Smith, W. T.; Shapiro, J. S.

In: Journal of Polymer Science, Part B: Polymer Physics, Vol. 37, No. 9, 01.05.1999, p. 953-960.

Research output: Contribution to journalArticle

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AU - Kemp, N. T.

AU - Kaiser, A. B.

AU - Liu, C. J.

AU - Chapman, B.

AU - Mercier, O.

AU - Carr, A. M.

AU - Trodahl, H. J.

AU - Buckley, R. G.

AU - Partridge, A. C.

AU - Lee, J. Y.

AU - Kim, C. Y.

AU - Bartl, A.

AU - Dunsch, L.

AU - Smith, W. T.

AU - Shapiro, J. S.

PY - 1999/5/1

Y1 - 1999/5/1

N2 - We have measured the thermoelectric power and conductivity as a function of temperature of a wide range of polypyrrole samples, including a film of soluble polypyrrole synthesized chemically, and wrinkled films synthesized using indium-tin oxide electrodes; other samples investigated include high-conductivity polypyrrole films synthesized at different temperatures and current densities, films grown on nonconducting substrates, and polypyrrole gas sensors. The thermoelectric powers are remarkably similar and metal-like for the medium and high conductivity samples but show nonzero extrapolations to zero temperature for wrinkled samples. The temperature dependence of conductivity tends to be greater for samples of lower conductivity. In contrast to polyaniline and polyacetylene, a crossover to metallic sign for the temperature dependence of conductivity at higher temperatures is not observed in any of our samples; the fluctuation-induced tunnelling and variable-range hopping expressions account for nearly all our conductivity data except for low-temperature anomalies.

AB - We have measured the thermoelectric power and conductivity as a function of temperature of a wide range of polypyrrole samples, including a film of soluble polypyrrole synthesized chemically, and wrinkled films synthesized using indium-tin oxide electrodes; other samples investigated include high-conductivity polypyrrole films synthesized at different temperatures and current densities, films grown on nonconducting substrates, and polypyrrole gas sensors. The thermoelectric powers are remarkably similar and metal-like for the medium and high conductivity samples but show nonzero extrapolations to zero temperature for wrinkled samples. The temperature dependence of conductivity tends to be greater for samples of lower conductivity. In contrast to polyaniline and polyacetylene, a crossover to metallic sign for the temperature dependence of conductivity at higher temperatures is not observed in any of our samples; the fluctuation-induced tunnelling and variable-range hopping expressions account for nearly all our conductivity data except for low-temperature anomalies.

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