Abstract
Highly uniform ac conductivity and dielectric permittivity of poly(aniline-co–o-nitroaniline) (PA-co-o-NA)s have been recorded by using electrochemical impedance spectroscopy in the frequency range of 10–2–107 Hz. Also, the unusual electrical behavior of PA-co-o-NA80 at low frequencies has been noticed. X-ray diffraction and differential thermal analysis techniques are used to study the crystallinity of the copolymer. The thermal stability of the copolymer is studied by thermogravimetric analysis which confirms the higher stability of copolymers than PAni. Atomic force microscopy measurement highlights the higher smoothness of the copolymer’s surface as compared to PAni.
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Acknowledgments
The Qatar university, Doha, and the Universiti Sains Malaysia, are gratefully acknowledged for the post-doctoral position and research facilities. One of the author acknowledges Universiti Sains Malaysia (USM), Penang Malaysia, 11800, for the financial support through short-term grant no. 304.PKIMIA.6315473.
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Waware, U.S., Rashid, M., Summers, G.J. et al. Poly(aniline-co-o-nitroaniline): transport properties using electrochemical impedance spectroscopy. Polym. Bull. 78, 6983–6998 (2021). https://doi.org/10.1007/s00289-020-03445-4
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DOI: https://doi.org/10.1007/s00289-020-03445-4