Structural correlation with the electrochemical properties of carbon nano-spheres/polyaniline nanocomposite films

Abstract

Structural, morphological and electrical properties of the CNS/PANI composite have been studied as a function of composition of CNS. Morphological analysis by FESEM and TEM indicates an enhanced interaction between PANI and CNS as the CNS increases forming larger aggregated interconnected matrix network of CNS having hetero-structured molecular phases of sp2 and sp3. Raman spectroscopy reveals the presence of large tensile strain on the G and D bands of the CNS/PANI composite. Increase in the CNS percentage is seen to relax this large amount of strain. Electrochemical analysis of these composite structures as an active electrode gives a highest specific capacitance of 1470 Fg−1 for CNS/PANI composite with 75% of CNS with high cyclic stability.

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Correspondence to Narasimha.H. Ayachit.

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Adoor, R.S., Ayachit, N., Haladkar, S.A. et al. Structural correlation with the electrochemical properties of carbon nano-spheres/polyaniline nanocomposite films. Polym. Bull. (2021). https://doi.org/10.1007/s00289-021-03583-3

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Keywords

  • Nano-carbon
  • Polyaniline
  • Hybrid capacitor
  • Redox reaction and specific capacitance