Journal
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Volume 904, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2021.115887
Keywords
Bimetallic MOF; Self-supporting electrode; Hydrothermal method; Electrochemical performance; Non-enzymatic glucose sensor
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In this study, bimetallic MOFs were successfully in-situ grown on nickel foam, and their structural and morphological properties were characterized using various techniques. Electrochemical measurement showed that the Cu1Co2-MOF/NF composite electrode exhibited high sensitivity and low detection limit, as well as good anti-interference ability. These results suggest that Cu1Co2-MOF/NF is a promising electrode material for high-performance glucose sensing.
Metal-organic frameworks (MOFs) have great potential for electrochemical biosensors. In this paper, bimetallic MOFs were successfully in-situ grown on nickel foam (NF) through a facile one-pot hydrothermal treatment. Xray diffraction, X-ray photoelectron spectroscope, Fourier transform infrared spectroscopy, energy dispersive spectrometer, and scanning electron microscopy were used to the structural and morphological characterization of bimetallic MOFs. Electrochemical measurement indicated that Cu1Co2-MOF/NF composite electrode processed a high sensitivity of 8304.4 mu A mM(-1) cm(-2), a low detection limit of 0.023 mM (S/N = 3). Moreover, it also showed good anti-interference ability toward ascorbic acid (AA), uric acid (UA), dopamine hydrochloride (DA) and sodium chloride (NaCl). These results suggest that Cu1Co2-MOF/NF is a promising electrode material for high-performance glucose sensing.
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