Physical characterization of emulsion intercalated polyaniline-clay nanocomposite

B. H. Kim, J. H. Jung, S. H. Hong, J. W. Kim, H. J. Choi, Jinsoo Joo

Research output: Contribution to journalArticle

85 Citations (Scopus)

Abstract

Using emulsion polymerization method, polyaniline (PAN)-Na+-montmorillonite (MMT) clay nanocomposites were synthesized. Dodecylbenzenesulfonic acid (DBSA) was used as an emulsifier and dopant during emulsion polymerization. The X-ray diffraction patterns showed that PAN-DBSA was intercalated between clay layers in the order of nanoscale. The room temperature (RT) dc conductivities of nanocomposites were 1-10-3S/cm depending on the molar ratio of dopants used. Temperature dependence of dc conductivity for the nanocomposites followed a quasi-one-dimensional (1D) variable range hopping (VRH) model. From temperature dependence of electron paramagnetic resonance experiments, magnetic properties and the density of states of the systems were obtained. The doping level of the nanocomposites was deduced from the results of X-ray photoelectron spectroscopy experiments. From the comparison of physical properties between PAN with clay and PAN without clay, the effects of dopant and the layer of clay on charge transport and structure are discussed.

Original languageEnglish
Pages (from-to)112-115
Number of pages4
JournalCurrent Applied Physics
Volume1
Issue number1
DOIs
Publication statusPublished - 2001 Jan 1
Externally publishedYes

Fingerprint

Polyaniline
Emulsions
clays
emulsions
Nanocomposites
nanocomposites
Clay
Doping (additives)
Emulsion polymerization
polymerization
Bentonite
conductivity
temperature dependence
acids
Acids
montmorillonite
Clay minerals
Temperature
Diffraction patterns
Paramagnetic resonance

Keywords

  • 61.46.+W
  • 71.20.Rv
  • 72.15.Cz
  • 81.07.Pr
  • 82.35.Cd
  • 82.35.Lr
  • Conductivity
  • EPR
  • Polyaniline
  • Polyaniline- Na -montmorillonite
  • X-ray diffraction
  • XPS

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Physical characterization of emulsion intercalated polyaniline-clay nanocomposite. / Kim, B. H.; Jung, J. H.; Hong, S. H.; Kim, J. W.; Choi, H. J.; Joo, Jinsoo.

In: Current Applied Physics, Vol. 1, No. 1, 01.01.2001, p. 112-115.

Research output: Contribution to journalArticle

Kim, B. H. ; Jung, J. H. ; Hong, S. H. ; Kim, J. W. ; Choi, H. J. ; Joo, Jinsoo. / Physical characterization of emulsion intercalated polyaniline-clay nanocomposite. In: Current Applied Physics. 2001 ; Vol. 1, No. 1. pp. 112-115.
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