Abstract
CuO micro-crystals have been synthesized by a one-step, large-scale and environment-friendly hydrothermal route. The crystalline structure, morphology, valence state and elemental composition of the CuO micro-crystals were analyzed using different technologies. Cyclic voltammetry and chronoamperometry were studied to probe the electrochemical glucose oxidation properties of the CuO electrode, revealing excellent electrocatalytic performance with fast response time, low detection limit and applicable linear detection range. In addition, it shows good selectivity to glucose when there are interferences coexisting in the human blood. All these results imply the potential application of the sample as electrode materials of non-enzymatic glucose sensors.
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