双金属
双金属片
检出限
材料科学
热液循环
电化学
电极
导电体
金属有机骨架
电导率
化学工程
纳米复合材料
线性范围
纳米技术
化学
色谱法
金属
有机化学
复合材料
物理化学
冶金
吸附
工程类
作者
Yong Tian,Linxuan Xie,Xin Liu,Ying Geng,Yongsheng Ni,Min Ma
标识
DOI:10.1016/j.foodchem.2023.137875
摘要
Most MOFs are associated with the inherent defect of low conductivity, limiting their further application in electrochemical sensing. Herein, a self-supporting conductive CuCo-based bimetal organic framework with HHTP as the organic ligand was in situ synthesized on carbon cloth via a one-step hydrothermal method, namely CuCo-MOF/CC. Benefiting from the advantages of electrical conductivity and bimetallic synergies, CuCo-MOF/CC exhibited remarkable electrocatalytic performance toward glucose. Consequently, the prepared sensor demonstrated an outstanding sensitivity of 9317 μA mM−1 cm−2, a wide range of 0.25–2374.5 μM, a low determination limit (0.27 μM), and a rapid response time (1.6 s). The reproducibility, stability, and selectivity were also proved to be satisfactory. Furthermore, the remarkable feasibility of proposed sensor was confirmed in serum and beverages. With the convenience of the one-step hydrothermal method and portability of self-supporting electrode, CuCo-MOF/CC has emerged as a promising candidate for commercial glucose sensors.
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