Abstract
In the present paper, we report the synthesis and application of polypyrrole thin films decorated by copper nanoparticles for the glucose detection. The PPy films were grown via, electrodeposition technique on stainless steel substrate. The structural study was carried out by X-ray diffraction study. The morphological study from field-emission-scanning electron microscopy depicted that decoration of copper nanoparticles over the polypyrrole thin film. The electroactivity of PPy/copper oxide/stainless steel electrode was explored using cyclic voltammetric study and chronoamperometry under pH = 7 ± 5. The optimum sensitivity of optimized second electrode PPy/is 100 µA mM−1 cm−2 with LOD 3 µM and regression coefficient R2 = 0.9951. The PPy/copper-oxide sensor exhibited remarkable stability and reproducibility with good non-enzymatic current sensitivity.
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