Citation:
CHEN Han, SUN Jian-Hang, YANG Guo-Cheng. Fabrication of Non-enzymatic Glucose Electrochemical Sensor Based on Nickel-base Carbon Nanofibers[J]. Chinese Journal of Analytical Chemistry,
;2021, 49(6): 1008-1014.
doi:
10.19756/j.issn.0253-3820.211091
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Ni and NiMoO4 nanorods doped polyvinyl alcohol (PVA) carbon nanofibers (CNF) were prepared by electrospinning technique. The two carbon nanofibers were used as precursors and carbonized at high temperature respectively to prepare Ni-CNF and Ni-Mo2C-CNF composite materials. The composition and morphology of the prepared materials were characterized, and the direct electrocatalytic performance of the materials for glucose was investigated. The results showed that both Ni-CNF and Ni-Mo2C-CNF showed good electrocatalytic performance for glucose. The non-enzymatic glucose sensor based on Ni-Mo2C-CNF had low response potential (0.45 V), high sensitivity (198 μA·mmol/(L·cm2)), wide linear range (0.01-7.0 mmol/L), and low detection limit (4.3 μmol/L). Meanwhile, the non-enzymatic glucose sensor had good stability, reproducibility and selectivity. This study provided important practical reference value for the study of non-enzymatic glucose sensor.
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