Abstract

A non-enzymatic glucose sensing material is investigated on the basis of nanocomposites. Etched zinc oxide (ZnO) nanotubes have been synthesized as base and then dip-coated with various cupric oxide (CuO) nanostructures. Different concentrations of CuO precursor solution formed several sizes and shapes of nanostructures, including nanoparticles and nanoleaves. The fabricated CuO/ZnO nanotubes electrode has high sensitivity of 3.2 mAmM−1cm−2 and superior anti-interference ability towards glucose sensing. It also has good linearity in the range of human pre-meal blood glucose level, which has potential for diabetes monitoring.

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