Abstract
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.
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Acknowledgments
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.
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Anju, C., Palatty, S. Enhanced Dielectric Performance of Polyaniline-Binary Transition Metal Composites. J. Electron. Mater. 48, 6710–6715 (2019). https://doi.org/10.1007/s11664-019-07474-2
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DOI: https://doi.org/10.1007/s11664-019-07474-2