Journal
CURRENT APPLIED PHYSICS
Volume 4, Issue 6, Pages 581-583Publisher
ELSEVIER
DOI: 10.1016/j.cap.2004.01.020
Keywords
polyaniline; nanoparticle; polymeric composite; electrical property
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Monodisperse polyaniline nanoparticles (PAPSSA) were synthesized from an oxidative dispersion polymerization using poly(sodium 4-styrenesulfonate) (PSSA) as both a polymeric stabilizer and a dopant agent due to its acidity. The nanoparticles were being stabilized with two different molecular weight of PSSA. Size effect of PAPSSA particles were examined by scanning electron microscopy (SEM), transmission electron microscopy (TEM) and dynamic light scattering (DLS). The d.c. electrical conductivity of composite films on the glass substrate was measured by a four-probe method. It was found that the electrical properties of the composite films are affected by the content of nano-sized polyaniline and different molecular weights of stabilizer in the poly(vinyl alcohol) (PVA) matrix. (C) 2004 Elsevier B.V. All rights reserved.
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