Abstract

We report a novel electrode material for the detection of human bio-potentials using carbonnanofibre (CNF) arrays functionalized with silver/silver chloride (Ag–AgCl) core–shellnanoparticles. The CNFs are protected against detachment using a thin polymer film,which firmly secures the fibres to the substrate surface. The core–shell Ag–AgClnanoparticles on the CNF surfaces clearly enhance transduction in ionic media as shown bycyclic voltammetry and impedance spectroscopy. We infer that these functionalized CNFarrays can be utilized as dry electrophysiological sensors for bio-potential monitoringapplications.

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