Abstract
AbstractPalladium paste nanocomposite electrode was employed as an efficient electrocatalyst for ethanol oxidation and nonenzymatic amperometric ethanol sensor, in alkaline media. The combined application of unique properties of nanomaterials and ionic liquids results in electrodes with interesting advantages compared to the conventional Pd disk electrodes. High tolerance towards accumulation of carbonaceous species (CO‐like intermediates) and poisoning by strongly adsorbed species suggests this electrode suitable for many applications. The sensor has the advantages of high sensitivity, low detection limit (20.0 µM), wide linear range (30.0 µM–1.6 M), ease of renewing the electrode surface, good long‐term stability and reproducibility for ethanol determination.
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