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Vol. 32 No. 11 (2020): Vol 32 Issue 11

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Enhancement Supercapcitive Behaviour of Cobalt(II) Tetrasulfanilamide Phthalocyanine with Composite rGO on Modified GCE

https://doi.org/10.14233/ajchem.2020.22803
K.R. Venugopala Reddy
Department of Studies and Research in Chemistry, Vijayanagara Sri Krishnadevaraya University, Ballari-583105, India
N.Y. Praveenkumar
Department of Studies and Research in Chemistry, Vijayanagara Sri Krishnadevaraya University, Ballari-583105, India
T.M. Sharanakumar
Ballari Institute of Technology and Management, Ballari-583104, India
Sangappa K. Ganiger
Department of Physics, Government Engineering College, Raichur-584134, India
Mounesh
Department of Studies and Research in Chemistry, Vijayanagara Sri Krishnadevaraya University, Ballari-583105, India

Corresponding Author(s) : K.R. Venugopala Reddy

venurashmi30@gmail.com

Asian Journal of Chemistry, Vol. 32 No. 11 (2020): Vol 32 Issue 11

Abstract

A novel method for the fabrication of tetrasulfanilamide cobalt(II) phthalocyanine (CoTSPC) was developed and the synthesized product was characterized using various techniques namely UV-visible, infrared and X-ray diffraction spectroscopic and thermal gravimetric analysis. An electrode with glassy carbon was modified on CoTSPC with an rGO composite. The effect of experimental parameters, such as precipitation agent, precursor concentration, reaction time and stabilizing agent, was systematically studied to investigate possible CoTSPC formation. The electrochemical properties of prepared CoTSPC/rGO/GCE were explored through cyclic voltammetry (CV) by using a three-electrode system. The results showed that the specific capacitances and sizes of the fabricated compounds are related. Due to a large surface area, within an operated voltage range of −0.2 to 0.4 V, synthesized CoTSPC/rGO/GCE exhibited an excellent long-cycle life and the highest capacitance (157 F g−1), thereby indicating that fabricated CoTSPC/rGO/GCE can be used as an outstanding electrode material in supercapacitors.

Keywords

Amino acid Ultrasound Aqueous media Cavitation
Venugopala Reddy, K., Praveenkumar, N., Sharanakumar, T., K. Ganiger, S., & Mounesh, . (2020). Enhancement Supercapcitive Behaviour of Cobalt(II) Tetrasulfanilamide Phthalocyanine with Composite rGO on Modified GCE. Asian Journal of Chemistry, 32(11), 2722–2730. https://doi.org/10.14233/ajchem.2020.22803
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