Electrical, magnetic, and structural properties of lithium salt doped polyaniline

C. K. Jeong, J. H. Jung, B. H. Kim, S. Y. Lee, D. E. Lee, S. H. Jang, K. S. Ryu, Jinsoo Joo

Research output: Contribution to journalArticle

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Abstract

We report the results of temperature dependence of dc conductivity σdc(T), electron paramagnetic resonance (EPR), and X-ray photoelectron spectroscopy (XPS) experiments for the polyaniline (PAN) doped with various lithium (Li) salts such as LiPF6, LiBF4, LiClO4, LiAsF6, and LiCF3SO3. A quasi one-dimensional (1D) variable range hopping (VRH) model provide the best fitting for σdc(T) the Li salt doped PAN samples, which is similar to that of protonic acid (HCl) doped polyaniline samples. The σdc and its temperature dependence vary with the kind of Li salts used. Temperature dependence of thermoelectric power of PAN doped with LiPF6 shows the metallic behavior. From EPR experiments, we obtain that χP depends on the kind of Li salts. The results of XPS experiments are discussed to account for the doping procedure with Li salts. Temperature dependence of EPR linewidths and X-ray diffraction patterns are compared for the various Li salt doped PAN samples. The insulator-metal transition of PAN-LiPF6 samples is also discussed.

Original languageEnglish
Pages (from-to)99-103
Number of pages5
JournalSynthetic Metals
Volume117
Issue number1-3
DOIs
Publication statusPublished - 2001 Feb 15

Fingerprint

Polyaniline
Lithium
Structural properties
Magnetic properties
Electric properties
Salts
lithium
electrical properties
magnetic properties
salts
Paramagnetic resonance
electron paramagnetic resonance
temperature dependence
X ray photoelectron spectroscopy
photoelectron spectroscopy
Temperature
Metal insulator transition
x rays
Experiments
Thermoelectric power

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Polymers and Plastics

Cite this

Jeong, C. K., Jung, J. H., Kim, B. H., Lee, S. Y., Lee, D. E., Jang, S. H., ... Joo, J. (2001). Electrical, magnetic, and structural properties of lithium salt doped polyaniline. Synthetic Metals, 117(1-3), 99-103. https://doi.org/10.1016/S0379-6779(00)00546-4

Electrical, magnetic, and structural properties of lithium salt doped polyaniline. / Jeong, C. K.; Jung, J. H.; Kim, B. H.; Lee, S. Y.; Lee, D. E.; Jang, S. H.; Ryu, K. S.; Joo, Jinsoo.

In: Synthetic Metals, Vol. 117, No. 1-3, 15.02.2001, p. 99-103.

Research output: Contribution to journalArticle

Jeong, CK, Jung, JH, Kim, BH, Lee, SY, Lee, DE, Jang, SH, Ryu, KS & Joo, J 2001, 'Electrical, magnetic, and structural properties of lithium salt doped polyaniline', Synthetic Metals, vol. 117, no. 1-3, pp. 99-103. https://doi.org/10.1016/S0379-6779(00)00546-4
Jeong, C. K. ; Jung, J. H. ; Kim, B. H. ; Lee, S. Y. ; Lee, D. E. ; Jang, S. H. ; Ryu, K. S. ; Joo, Jinsoo. / Electrical, magnetic, and structural properties of lithium salt doped polyaniline. In: Synthetic Metals. 2001 ; Vol. 117, No. 1-3. pp. 99-103.
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