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Incorporation of sulfur with graphitic carbon nitride into copper nanoparticles toward supercapacitor application

  • Karamveer Sheoran
  • Nishu Devi
  • Samarjeet Singh Siwal


The incorporation of S-g-C3N4 into CuNPs resulted in enhanced electrochemical performance. The introduction of sulfur facilitated the formation of a highly conductive network within the composite material, enabling effective charge transfer and improved specific capacitance. The g-C3N4 matrix served as a support network, controlling the accumulation of CuNPs and delivering stability during electrochemical cycling. The optimized S-g-C3N4/CuNPs composite showed superior electrochemical performance, high specific capacitance, and enhanced cycling stability. In this study, a facile and scalable synthesis method was employed to fabricate S-g-C3N4/CuNPs composite materials on GCE. The resulting composites were characterized using different optical and microscopic techniques. The electrochemical performance of the nanocomposites was assessed via using different techniques such as cyclic voltammetry (CV), and galvanostatic charge-discharge (GCD) techniques. The S-g-C3N4/CuNPs nanocomposite exhibited excellent electrochemical properties with a specific capacitance of 1944.18 F/g at a current density of 0.5 A/g and excellent cycling stability. The resultant composite material exhibits excellent electrochemical performance, making it an advantageous nominee for energy storage applications needing high power density, extended cycling life, and steadfast performance.



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Sheoran, K. ., Devi, N. ., & Siwal, S. S. . (2023). Incorporation of sulfur with graphitic carbon nitride into copper nanoparticles toward supercapacitor application. Nanofabrication, 8.




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Published: 2023-10-26

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Copyright (c) 2023 Karamveer Sheoran, Nishu Devi, Samarjeet Singh Siwal

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