Abstract
This study presents the preparation of PANI/CeO2 nanocomposites via in situ chemical oxidative polymerization in an acidic environment at subzero temperatures to optimize nanocomposite properties. Two compositions of PANI/CeO2, with 2% and 5% CeO2 nanoparticles, were synthesized and characterized structurally using X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). The temperature-dependent electrical conductivity was measured employing the four-probe technique and analyzed theoretically using the fluctuation-induced tunneling (FIT) model. The analysis of variance (ANOVA) confirmed the validity of the FIT model in elucidating charge transport mechanisms within the PANI/CeO2 composites.
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