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Cost Effective Synthesis of Copper - 1H- imidazole@ Activated Carbon Metal Organic Framework as the electrode material for Supercapacitor applications

Abstract

The present work describes the synthesis of Copper- 1H-imidazole Metal Organic Framework (Cu-I MOF) and Copper-1H-imidazole@Activated Carbon Metal Organic Framework (Cu-IC MOF) by a simple chemical route under ultrasonication. The formation of the as-synthesized MOFs was confirmed by various spectral and analytical techniques. The electrochemical properties of MOFs are examined for supercapacitor application as electrode material using Cyclic Voltammetry (CV), Galvanostatic Charge-Discharge (GCD) and Electrochemical Impedance Spectroscopic (EIS) techniques. The comparison of results from CV and GCD studies reveal that Cu-IC MOF had specific capacitance greater than that of Cu-I. i.e. 753 F/g at a scan rate of 5 mV/s by CV and 733 F/g at current density of 1 A/g by GCD for Cu-IC MOF while for Cu-I MOF 596 F/g by CV and 252 F/g by GCD. Cu-IC MOF retained about 85% of its initial capacitance even after 2000 GCD cycles at 1 A/g current density. This observation proves that the Cu-IC MOF can be a potential electrode material for supercapacitor application.

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Publication details

The article was received on 20 Apr 2018, accepted on 16 May 2018 and first published on 17 May 2018


Article type: Paper
DOI: 10.1039/C8NJ01927D
Citation: New J. Chem., 2018, Accepted Manuscript
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    Cost Effective Synthesis of Copper - 1H- imidazole@ Activated Carbon Metal Organic Framework as the electrode material for Supercapacitor applications

    E. E, R. S, R. R and P. M. J, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ01927D

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