In this paper, we demonstrated the first application of a Co-based porous metal-organic framework (MOF) ZIF-67 as the glucose electrochemical sensor. The ZIF-67 modified glassy carbon electrode (GCE) showed an excellent catalytic activity towards glucose oxidation. Meanwhile, to improve the electrocatalytic performance of the modified electrode, a novel [email protected] nanocomposite was fabricated through a sequential deposition-reduction method. The [email protected]/GCE exhibited an enhanced catalytic activity towards glucose oxidation. The electrocatalytic performance of [email protected] with different Ag loadings was investigated, and the results indicated that with the Ag contents increasing from 0% to 0.5%, the response time of the modified electrode was shorten by more than two times, and the sensitivity was increased by two times and a half. The Ag-0.5%@ZIF-67GCE exhibited excellent electrocatalytic performances in the glucose concentration range of 2–1000 μM, including a high sensitivity of 0.379 μA μM⁻¹ cm⁻², a low detection limit of 0.66 μM (S/N = 3) as well as good selectivity and stability.

在本文中，我们展示了钴基多孔金属有机骨架（MOF）ZIF-67作为葡萄糖电化学传感器的首次应用。ZIF-67修饰的玻碳电极（GCE）对葡萄糖氧化表现出出色的催化活性。同时，为了提高修饰电极的电催化性能，通过顺序沉积-还原方法制备了一种新型的[电子邮件保护的]纳米复合材料。[电子邮件保护的] / GCE对葡萄糖氧化表现出增强的催化活性。研究了不同载银量的[email protected]的电催化性能，结果表明，随着Ag含量从0％增加到0.5％，修饰电极的响应时间缩短了两倍多，灵敏度提高了两倍半。Ag-0.5%@ZIF-67GCE在2–1000μM的葡萄糖浓度范围内表现出出色的电催化性能，包括0.379μAμM的高灵敏度^-1 厘米^-2，0.66μM（S / N = 3），以及良好的选择性和稳定性的低检测限。