Browsing by Author "Bulla, Mamta"

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    Electrochemical analysis of solvothermally synthesized MoS2 nanostructures for high performance supercapacitor
    (Elsevier Ltd, 2025) Mishra, Ajay Kumar; Kumar, Sunil; Bulla, Mamta
    This study investigates the influence of different solvents, including ethylene glycol (EG), dimethylformamide (DMF) and water, on the structure and electrochemical properties of MoS2 synthesized via a single-step pot synthesis technique. These solvents facilitate the formation of MoS2 nanostructures with diverse dimensions. The synthesized material was analyzed using XRD, FTIR, Raman spectroscopy, FE-SEM and BET analysis. The hierarchical microflower structure of MoS2, with exfoliated edge-enriched nanosheets, exhibited the highest specific capacitance of 428 F g−1 at 1 mV s−1 and 280 F g−1 at 1 A g−1 when synthesized using water as a solvent, surpassing the results achieved with other solvents. The MoS2 nanostructure-based symmetric supercapacitor achieved an energy density of 7.5 Wh kg−1, a power density of 1980 W kg−1 and retained ∼95 % capacitance after 1000 cycles at 2 A g−1, highlighting its potential for future applications with exceptional stability and durability.