Solid-state synthesis and electrical properties of polyaniline/Cu-montmorillonite nanocomposite

In this paper, the solid-state synthesis of polyaniline/Cu-montmorillonite nanocomposite is reported. Mixture of anilinium chlorure and Cu exchanged montmorillonite was grinded at room temperature while we vary the molar rate of aniline to interlayer Cu 2+ cations ( R) from 0.5 to 6. The properties...

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Bibliographic Details
Published in:Materials research bulletin 2010-12, Vol.45 (12), p.1941-1947
Main Authors: Bekri-Abbes, Imene, Srasra, Ezzeddine
Format: Article
Language:English
Subjects:
A. Nanostructures
ABSORPTION SPECTROSCOPY
B. Intercalation reactions
C. Infrared spectroscopy
D. Electrical properties
ELECTRICAL PROPERTIES
FOURIER TRANSFORMATION
FREQUENCY DEPENDENCE
INFRARED SPECTRA
MATERIALS SCIENCE
MONTMORILLONITE
NANOSCIENCE AND NANOTECHNOLOGY
NANOSTRUCTURES
SCANNING ELECTRON MICROSCOPY
SOLIDS
SYNTHESIS
THERMAL GRAVIMETRIC ANALYSIS
X-RAY DIFFRACTION
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Summary:In this paper, the solid-state synthesis of polyaniline/Cu-montmorillonite nanocomposite is reported. Mixture of anilinium chlorure and Cu exchanged montmorillonite was grinded at room temperature while we vary the molar rate of aniline to interlayer Cu 2+ cations ( R) from 0.5 to 6. The properties of the hybrid compounds are characterized by X-ray diffraction, thermogravimetric analysis, SEM, FTIR and impedance spectroscopy. The results showed that the structure and the conductivity of PANI in hybrid materials depend on R. The ac conduction showed a regime of constant dc conductivity at low frequencies and a crossover to a frequency-dependent regime of the type A ω s at high frequencies.
ISSN:0025-5408
1873-4227
DOI:10.1016/j.materresbull.2010.08.012