Synthesis of mesoporous SnO₂/NiO nanocomposite using modified sol-gel method and its electrochemical performance as electrode material for supercapacitors.

ABSTRACT: In this research work, SnO₂, NiO and SnO₂/NiO nanocomposites were synthesized at low temperature by modified sol-gel method using ultrasonication. Prepared samples were investigated for their properties employing various characterization techniques. X-ray diffraction (XRD) patterns confirmed the purity and phase of the samples as no secondary phase was detected. The average crystallite size of the nanocomposites was found to decrease from 19.24 to 4.53 nm with the increase in NiO concentration. It was confirmed from SEM micrographs that the material has mesoporous morphology. This mesoporous morphology resulted in the increase of the surface to mass ratio of the material, which in turn increases the specific capacitance of the material. The UV-Visible spectra showed t

SUBMITTER: Varshney B 

PROVIDER: S-EPMC7335181 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature