Enhanced Dielectric Performance of Polyaniline-Binary Transition Metal Composites
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Polyaniline-metal composite incorporating binary transition metals was synthesized by in situ rapid mixing polymerization. The current article investigates the dielectric performance of polyaniline composite synthesized using ferric nitrate oxidant by a dopant-free template-free method and also the role of Cu2+ as an external redox additive in enhancing the dielectric performance of a PANI composite. The experimental results proved that the coordination of PANI nitrogen with binary transition metals (Fe & Cu) not only improved the electrical conductivity, but also augmented the dielectric performance. Also, morphological analysis substantiates the role of external Cu2+ additive in modifying the PANI surface to act as an efficient dielectric material.
KeywordsConducting polymers dielectrics energy storage and conversion electrical properties
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The authors acknowledge the director and principal, Rajagiri School of Engineering & Technology and Bharata Mata College for the support of this work. Analytical support from the Sophisticated Test and Instrumentation Centre, CUSAT, School of Pure & Applied Physics, Mahatma Gandhi University and Department of Physics, Maharajas College are also acknowledged.
Conflicts of interest
There are no conflicts to declare.