Electrochemical reduction and electrodeposition are two effective methods for the preparation of new nanomaterials for electrochemical sensing. In this work, the reduced graphene oxide‐nickel nanoparticles composite (RGO‐NiNPs) was synthesized using both methods mentioned above. The fabrication process was simple and easily performed. Then, the RGO‐NiNPs composite was characterized by SEM, EDS, and XRD. Furthermore, for the strong catalytic ability of the high‐valent oxyhydroxide species (NiOOH) formed in alkaline media, the composite was used as the matrix for nonenzymatic detection of glucose. Comparing with NiNPs modified glassy carbon electrode (NiNPs/GCE), the RGO‐NiNPs/GCE showed better sensitivity and stability. A low detection limit of 0.1 µM with a wide linear range from 2 µM to 2.1 mM (R=0.996) was obtained.
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