<p>A hydrothermal method for synthesizing nickel oxide nanomaterials (NiO) is reported. The synthesized nanomaterials were successfully characterized by x-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, scanning electron microscopy (SEM), energy-dispersive spectrometry (EDS), and x-ray photoelectron spectroscopy (XPS). The electrochemical properties of the NiO/glassy carbon electrode (GCE) with respect to glucose were studied by electrochemical impedance spectroscopy (EIS), cyclic voltammetry (CV), amperometric <i>I</i>–<i>t</i> curve (<i>I</i>–<i>t</i>), and anti-interference and stability tests. Different alkaline environments, namely 0.1M KOH and 0.1M NaOH solutions, were employed to compare the electrochemical glucose detection performance of NiO/GCE.</p>

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Synthesis of Nickel Oxide Nanomaterials for Electrochemical Detection of Glucose in Different Alkaline Environments

  • Runhua Qin,
  • Jiawen Li,
  • Jibin Zhou,
  • Lei Zhu,
  • Siyu Wei

摘要

A hydrothermal method for synthesizing nickel oxide nanomaterials (NiO) is reported. The synthesized nanomaterials were successfully characterized by x-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, scanning electron microscopy (SEM), energy-dispersive spectrometry (EDS), and x-ray photoelectron spectroscopy (XPS). The electrochemical properties of the NiO/glassy carbon electrode (GCE) with respect to glucose were studied by electrochemical impedance spectroscopy (EIS), cyclic voltammetry (CV), amperometric It curve (It), and anti-interference and stability tests. Different alkaline environments, namely 0.1M KOH and 0.1M NaOH solutions, were employed to compare the electrochemical glucose detection performance of NiO/GCE.