期刊
MATERIALS RESEARCH EXPRESS
卷 6, 期 10, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/2053-1591/ab3ff2
关键词
copper oxide nanosheet; high frequency induction heating; glucose electrochemical sensor; MWCNTs
资金
- Tianjin Development Program for Innovation and Entrepreneurship, Tianjin Natural Science Foundation [18JCZDJC99800]
- National Natural Science Foundation of China [51502203]
- Tianjin Young Overseas High-level Talent Plans [01001502]
- Tianjin Science and Technology Foundation [17ZXZNGX00090]
In this study, to improve production efficiency, a simple and rapid synthesis method of copper oxide (CuO) nanosheets by using high frequency induction heating was proposed. The CuO nanosheets were successfully prepared, and formulated into CuO and CuO/Multi-walled carbon nanotube (MWCNTs) electronic ink. After characterizing of the morphology, composition and structure of the as-prepared CuO nanosheets, the non-enzymatic glucose sensors by using CuO nanosheets and CuO/MWCNTs as functional materials were fabricated by dispensing on screen printed graphite electrodes (SPGE). For the detection of glucose, the electrochemical properties of the fabricated electrochemical sensor were evaluated by cyclic voltammetry (CV) and chronoamperometry. The results showed that the prepared electrochemical glucose sensor by CuO and CuO/MWCNTs all exhibited excellent sensitivity (1290 mu AmM-1 cm(-2), 1890 mu AmM-1 cm(-2)), wide linear range (4-400 mu M), and low detection limit (0.21 mu M, 0.14 mu M), high selectivity to common interference in physiological fluids, high stability and excellent feasibility for actual sample analysis. Between them, the electrochemical properties of the sensor prepared from CuO/MWCNTs are better due to the excellent electronic conductivity of MWCNTs.
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