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Wet Chemical Synthesis of SnS/Graphene Nanocomposites for High Performance Supercapacitor Electrodes
Ravuri S, Pandey C.A, Ramchandran R, Jeon S.K,
Published in World Scientific Pub Co Pte Lt
2018
Volume: 17
   
Issue: 01n02
Abstract
A series of SnS/Graphene (SnS/G) nanocomposites at various concentrations of graphene were synthesized by a wet chemical route and the prepared composites were analyzed by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), High Resolution Transmission Electron Microscopy (HRTEM) for its structural and morphological investigation. Results show that the prepared SnS nanoparticles in the composite are [Formula: see text]30[Formula: see text]nm sized and uniformly dispersed on graphene sheets. To test the supercapacitance behavior, electrochemical measurements were carried out in 6[Formula: see text]M KOH electrolyte. A maximum specific capacitance of 984[Formula: see text]F/g was observed for SnS/G-c at 5[Formula: see text]mVs[Formula: see text] scan rate. Galvanostatic charge/discharge curves showed an excellent cyclic stability with higher charge/discharge duration, and hence could be used for high performance supercapacitor applications.
About the journal
JournalInternational Journal of Nanoscience
PublisherWorld Scientific Pub Co Pte Lt
ISSN0219-581X
Open Access0