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作 者:唐晓兰 赵建伟[1] 秦丽溶[1] 徐莹莹 TANG Xiaolan;ZHAO Jianwei;QIN Lirong;XU Yingying(School of Physical Science and Technology,Southwest University,Chongqing 400715,China)
机构地区:[1]西南大学物理科学与技术学院,重庆400715
出 处:《西南大学学报(自然科学版)》2023年第3期222-231,共10页Journal of Southwest University(Natural Science Edition)
基 金:重庆市自然科学基金项目(cstc2019jcyj-msxmX0311)。
摘 要:以单分散聚苯乙烯球为模板,采用两步电沉积法成功合成了MnCo_(2)O_(4)/Ni分级微纳阵列结构.形貌与成分检测表明,该分级结构是由Ni碗状微纳阵列及其表面生长的MnCo_(2)O_(4)纳米片组成.电化学性能测试结果显示,MnCo_(2)O_(4)/Ni分级微纳阵列可直接作为电极用于对葡萄糖的无酶探测,且具有较高的灵敏度、较宽的线性范围、较低的探测限及良好的稳定性和抗干扰性.MnCo_(2)O_(4)/Ni分级微纳阵列在无酶型葡萄糖电化学传感器方面具有潜在应用价值.In this paper,MnCo_(2)O_(4)/Ni hierarchical micro/nano array electrode for enzyme-free glucose sensors was successfully synthesized by a two-step electrodeposition method using monodisperse polystyrene sphere as template.The morphology and composition of the prepared structure were characterized.It showed that the product was composed of Ni bowl-like micro/nano array and MnCo_(2)O_(4)nanosheets.The results of electrochemical performance testing showed that MnCo_(2)O_(4)/Ni hierarchical micro/nano array electrode exhibited a higher sensitivity,a wider linearity range,a lower detection limit,good stability and selectivity.The MnCo_(2)O_(4)/Ni hierarchical micro/nano array electrode has potential application value in the enzyme-free electrochemical glucose sensor.
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