In the field of glucose sensors,the development of inexpensive and high-efficiency electrochemical glucose sensors is the current research hotspot.In this paper,CuO-Co3O4 composite with a prickly-sphere-like morphology is prepared by the facile hydrothermal method for the non-enzymatic electrochemical glucose detection.X-ray diffraction,scanning electron microscopy,transmission electron microscopy,energy-dispersive X-ray spec-troscopy,and X-ray photoelectron spectroscopy are used to analyze the structure,composition,and morphology of the material.In addition,the electrochemical catalytic perfor-mance of CuO-Co3O4 to glucose is obtained by cyclic voltammetry and chronoamperometry.The excellent elec-trochemical sensing performance may be attributed to the large number of catalytic sites in the prickly-sphere-like composite and the synergistic effect of Cu and Co.Under an applied voltage of 0.55 V,CuO-Co3O4 composite shows sensitivity to glucose(1503.45 μA·(mmol·L-1)-1-cm-2),a low detection limit(21.95 μmol·L-1),excellent selectivity,a high level of reproducibility,and good sta-bility.This indicates that the CuO-Co3O4 composite has a broad prospect of non-enzymatic glucose sensing application.

School of Chemical Engineering,Northeast Electric Power University,Jilin 132012,China;Department of Nursing,Changchun People's Hospital,Changchun 130000,China;State Key Laboratory of Advanced Materials for Smart Sensing,General Research Institute for Nonferrous Metals,Beijing 100088,China;State Key Laboratory of High Power Semiconductor Lasers,School of Science,Changchun University of Science and Technology,Changchun 130022,China;School of Automation Engineering,Northeast Electric Power University,Jilin 132000,China

[1]Dong Wang;Hua-Min Zhao;Li Guo;Long Zhang;Hong-Bin Zhao;Xuan Fang;Sheng Li;Gong Wang-.Facile synthesis of CuO-Co3O4 prickly-sphere-like composite for non-enzymatic glucose sensors)[J].稀有金属（英文版）,2022(06):1911-1920

prickly

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