Cu2O hollow microspheres as electrode materials for non-enzymatic electrochemical detection of glucose

Fan Zhang; Yihui Wang; Xiujuan Wu; Hao Zhang; Shan Huang; Ying Yang; Adi Xie; Mingyan Wang

Cu₂O hollow microspheres as electrode materials for non-enzymatic electrochemical detection of glucose

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Author(s): Fan Zhang¹ ; Yihui Wang¹ ; Xiujuan Wu¹ ; Hao Zhang¹ ; Shan Huang¹ ; Ying Yang¹ ; Adi Xie¹ ; Mingyan Wang¹
- Affiliations: 1: Department of Chemical Engineering , Jiangsu Ocean University , Lianyungang 222005 , People's Republic of China
Source: Volume 15, Issue 15, 30 December 2020, p. 1071 – 1074
DOI: 10.1049/mnl.2020.0030 , Online ISSN 1750-0443

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Received 05/02/2020, Accepted 01/12/2020, Revised 26/10/2020, Published 30/12/2020

An enzyme-free glucose electrochemical sensor with high sensitivity and selectivity is highly attractive. In this work, an enzyme-free glucose sensor with Cu₂O hollow microspheres (Cu₂O HMs) was prepared via hydrothermal method. The glucose sensor constructed by the prepared Cu₂O HM structure exhibited a low detection limit of 0.13 μM, a high sensitivity of 277.1 μA/mM cm², and the wide linear ranges of 0.05–1.5 and 1.5–6.0 mM. Furthermore, anti-interference tests indicated that the prepared sensor exhibited good selectivity for glucose and practical application in human serum. The Cu₂O sensor has great application potential in the development of enzyme-free glucose sensor.

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Cu₂O hollow microspheres as electrode materials for non-enzymatic electrochemical detection of glucose

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