Abstract
This article reports enhancement in the specific capacitance of Mg-doped tin oxide nanoparticles (NPs) synthesized through a simple and low-cost solvothermal method. The synthesized NPs were investigated through cyclic voltammetry, galvanostatic charge/discharge and electrostatic impedance spectroscopy studies. The specific capacitance, as determined through cyclic voltammetry and galvanostatic charge/discharge characteristics, respectively, was found to be 523 and 55 F g−1 for undoped samples. Whereas it exhibited an increase with Mg doping and was found to be 981 and 134 F g−1, respectively. Also, according to the electrochemical impedance spectroscopy, the enhancement of ion diffusion was found to be the major cause for enhancement in capacitive performance of Mg-doped NPs.
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Acknowledgement
M A Dar is thankful to the Department of Physics, the University of Kashmir, Srinagar, for providing facilities in the Nanophysics Lab, and for the financial support by the Department of Science and Technology, Government of India, vide reference No. DST/TM/WTI/2K16/248(G).
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DAR, M.A., MALA, N.A., BHAT, M.Y. et al. Enhanced supercapacitor performance of Mg-doped SnO2 nanorods synthesized through the solvothermal method. Bull Mater Sci 46, 69 (2023). https://doi.org/10.1007/s12034-023-02893-8
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DOI: https://doi.org/10.1007/s12034-023-02893-8