Journal of Scientific and Technical Research (Sharda University, Noida)

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Polyaniline Based Composite of Non-Covalently Dispersed Multiwalled Carbon Nanotubes for Supercapacitor Electrode


Affiliations
1 Department of Chemistry, University of Dhaka, Dhaka, Bangladesh
2 University Grants Commission of Bangladesh, 29/1 Agargaon, Sher-E-Banglanagar, Dhaka, Bangladesh
     

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A composite of Multiwalled Carbon Nanotubes (MWCNTs) and polyaniline (PAni) was synthesized by in situ oxidative polymerization of aniline monomers on poly (sodium 4-styrenesulfonate) (PSS) dispersed MWCNTs to produce coaxial structures of MWCNT-PAni composite. The structural, morphological, thermal, surface, and capacitive properties of the composite were analyzed. Scanning electron microscopy images of the composite revealed nanofibrous structure. Infrared spectrum showed slight shifts for several bands of the composite from the bands of PAni to suggest that the MWCNTs have strong attractive interactions with the PAni backbone. The composite was fabricated onto a graphite electrode and the fabricated electrode was characterized using cyclic voltammetry. The fabricated electrode exhibited specific capacitance values of 446 Fg-1, and the value retained 82.5% after 800 cycles. Owing to the good capacitance behavior and cycling stability, the synthesized composite holds promise for energy storage devices like supercapacitors.

Keywords

Carbon Nanotube, Non-Covalent Functionalization, Polyaniline, Supercapacitor.
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  • Polyaniline Based Composite of Non-Covalently Dispersed Multiwalled Carbon Nanotubes for Supercapacitor Electrode

Abstract Views: 240  |  PDF Views: 6

Authors

Nabila Nabi Nova
Department of Chemistry, University of Dhaka, Dhaka, Bangladesh
Md. Mominul Islam
Department of Chemistry, University of Dhaka, Dhaka, Bangladesh
Saika Ahmed
Department of Chemistry, University of Dhaka, Dhaka, Bangladesh
M. Muhibur Rahman
Department of Chemistry, University of Dhaka, Dhaka, Bangladesh
M. Yousuf A. Mollah
University Grants Commission of Bangladesh, 29/1 Agargaon, Sher-E-Banglanagar, Dhaka, Bangladesh
Md. Abu Bin Hasan Susan
Department of Chemistry, University of Dhaka, Dhaka, Bangladesh

Abstract


A composite of Multiwalled Carbon Nanotubes (MWCNTs) and polyaniline (PAni) was synthesized by in situ oxidative polymerization of aniline monomers on poly (sodium 4-styrenesulfonate) (PSS) dispersed MWCNTs to produce coaxial structures of MWCNT-PAni composite. The structural, morphological, thermal, surface, and capacitive properties of the composite were analyzed. Scanning electron microscopy images of the composite revealed nanofibrous structure. Infrared spectrum showed slight shifts for several bands of the composite from the bands of PAni to suggest that the MWCNTs have strong attractive interactions with the PAni backbone. The composite was fabricated onto a graphite electrode and the fabricated electrode was characterized using cyclic voltammetry. The fabricated electrode exhibited specific capacitance values of 446 Fg-1, and the value retained 82.5% after 800 cycles. Owing to the good capacitance behavior and cycling stability, the synthesized composite holds promise for energy storage devices like supercapacitors.

Keywords


Carbon Nanotube, Non-Covalent Functionalization, Polyaniline, Supercapacitor.

References