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Facile synthesis of CuO-Co_(3)O_(4)prickly-sphere-like composite for non-enzymatic glucose sensors 被引量:5

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摘要 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-Co_(3)O_(4)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-Co_(3)O_(4)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-Co_(3)O_(4)composite shows sensitivity to glucose(1503.45μA·(mmol·L^(-1))^(-1)-cm^(-2)),a low detection limit(21.95μmol·L^(-1)),excellent selectivity,a high level of reproducibility,and good sta-bility.This indicates that the CuO-Co_(3)O_(4)composite has a broad prospect of non-enzymatic glucose sensing application.
出处 《Rare Metals》 SCIE EI CAS CSCD 2022年第6期1911-1920,共10页 稀有金属(英文版)
基金 financially supported by the National Natural Science Foundation of China (Nos.62074018 and 62174015) the Developing Project of Science and Technology of Jilin Province (No.20200301052RQ) the Project of Education Department of Jilin Province (No.JJKH20210831KJ) the Science and Technology Foundation of State Grid Corporation of China (No. SGTJDK00DYJS2000148)
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