Abstract
AbstractComposite electrodes are gradually gaining interest due to their versatile applications. plastic chip electrode (PCE) comprising of graphite and Poly(methyl methacrylate) (PMMA) is one such composite that can be fabricated by simple solution‐phase mixing followed by solvent evaporation. In this study, we report more than two times enhancement in the bulk conductance of PCE by removing the passivating superficial polymer layer above the filler, through the treatment of cold plasma. Comparative characterization of the pre‐ and posttreated electrode has been performed by scanning electron microscopy (SEM), spreading resistance imaging (SRI), contact angle, and current–voltage characteristics as well as electrochemical impedance spectroscopy (EIS). Improved electroactivity of PCE has been demonstrated through cyclic voltammetry (CV).
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