Polyaniline–calcium titanate perovskite hybrid composites: Structural, morphological, dielectric and electric modulus analysis
نویسندگان
چکیده
This paper reports hybrid composites based on polyaniline (PANI) and calcium titanate (CaTiO 3 ) perovskite as a nanofiller synthesized by in-situ polymerization technique. Their structure morphology were investigated X-ray diffraction analysis scanning electron microscopy. The XRD shows that the addition of CaTiO in reduced amorphous transforming it into semi-crystalline nature, which agrees well with higher conductivity. Scanning microscopy showed more compact homogenous uniform distribution polymer matrix. Dielectric parameters such dielectric constant, loss factor, loss, real imaginary parts electric modulus measured evaluated function frequency temperature well. variation properties ac conductivity reveals dispersion is due to Maxwell-Wagner type interfacial polarization. observed behavior presence was discussed framework Jonscher’s power law. result increases rise applied field analogous semiconducting composites. Temperature-dependent exponent seems obey correlated barrier hopping conduction mechanism. relaxation samples analyzed found decrease content increase frequency.
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ژورنال
عنوان ژورنال: Polymers & Polymer Composites
سال: 2022
ISSN: ['1478-2391', '0967-3911']
DOI: https://doi.org/10.1177/09673911221102287