In this work, pure Cobalt and Cobalt-MWCNT nanocomposites were electrodeposited on mild steel substrate using acetate bath. The surface morphology, elemental composition and the preferred orientation of pure Cobalt and Cobalt-MWCNT nanocomposites were characterized using SEM, EDAX and XRD analysis. The SEM images of Co-MWCNT composite exhibited as the nano flakes which are interconnected to form a 3D hierarchical porous flower like morphology. MWCNTs are well incorporated into the matrix. XRD also confirmed the composite formation and the presence of CNT. Cyclic voltammetry and chronoamperometric techniques were employed to characterize the electro catalytic activity of the modified electrode towards the glucose detection. The results revealed that the proposed sensing material synergistically acts as an electro catalyst for the electro-oxidation of glucose with enhanced sensitivity and lower detection limit. The fast current response signals, wide linear range and higher selectivity make Cobalt-MWCNT nanocomposite electrode a favorable candidate for practical glucose detection application.
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