Indian Journal of Pure and Applied Physics

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Copper Oxide Microspheres for Pseudocapacitor Applications and its Cytotoxicity Studies


Affiliations
1 Department of Applied Physics, Solid State Ionics Lab, Karunya Institute of Technology and Sciences, Coimbatore 641 114, Tamil Nadu, India
2 Department of Nanosciences and Technology, Karunya Institute of Technology and Sciences, Coimbatore 641 114, Tamil Nadu, India
3 Department of Applied Chemistry, Karunya Institute of Technology and Sciences, Coimbatore 641 114, Tamil Nadu, India

The preparation of copper oxide (CuO) microspheres was done via hydrothermal route with the amphiphilic polymer pluronic (P123) as the capping agent. The XRD studies confirmed the monoclinic structure of the compound. The formation of microspheres were confirmed through SEM and TEM studies. The pseudo-capacitance properties were inferred with three electrode system. The cyclic voltammetry studies were done for the scan rates of 5 to 100 mV/Sec. The charge-discharge analysis was done for different current density values of 1 to 20 A/g. The specific capacitance of the material for a current density value of 1 A/g was found to be 245 F/g. The cytotoxicity study of the CuO microspheres studied using MTT assay shows the material to be non-toxic in nature.
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  • Copper Oxide Microspheres for Pseudocapacitor Applications and its Cytotoxicity Studies

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Authors

Ashwini Swaminathan
Department of Applied Physics, Solid State Ionics Lab, Karunya Institute of Technology and Sciences, Coimbatore 641 114, Tamil Nadu, India
Biswadeep Ray
Department of Nanosciences and Technology, Karunya Institute of Technology and Sciences, Coimbatore 641 114, Tamil Nadu, India
Rajesh Swaminathan
Department of Applied Physics, Solid State Ionics Lab, Karunya Institute of Technology and Sciences, Coimbatore 641 114, Tamil Nadu, India
Vidhya Bhojan
Department of Applied Physics, Solid State Ionics Lab, Karunya Institute of Technology and Sciences, Coimbatore 641 114, Tamil Nadu, India
Nandha kumar Raju
Department of Applied Chemistry, Karunya Institute of Technology and Sciences, Coimbatore 641 114, Tamil Nadu, India
Sakunthala Ayyasamy
Department of Applied Physics, Solid State Ionics Lab, Karunya Institute of Technology and Sciences, Coimbatore 641 114, Tamil Nadu, India

Abstract


The preparation of copper oxide (CuO) microspheres was done via hydrothermal route with the amphiphilic polymer pluronic (P123) as the capping agent. The XRD studies confirmed the monoclinic structure of the compound. The formation of microspheres were confirmed through SEM and TEM studies. The pseudo-capacitance properties were inferred with three electrode system. The cyclic voltammetry studies were done for the scan rates of 5 to 100 mV/Sec. The charge-discharge analysis was done for different current density values of 1 to 20 A/g. The specific capacitance of the material for a current density value of 1 A/g was found to be 245 F/g. The cytotoxicity study of the CuO microspheres studied using MTT assay shows the material to be non-toxic in nature.