材料科学
碳纳米管
电极
复合数
纳米技术
化学工程
磺酸
催化作用
选择性
检出限
碳纤维
聚苯乙烯
化学
色谱法
有机化学
聚合物
复合材料
高分子化学
物理化学
工程类
作者
Xiaoshuang Tang,Bo Zhang,Chunhui Xiao,Han Zhou,Xinyang Wang,Dalin He
标识
DOI:10.1016/j.snb.2015.08.077
摘要
A step-wise method to synthesize uniform NiCoO2 nanosheets on carbon nanotubes (CNT) is designed for non-enzyme glucose detection. CNT is coated with a sulfonated polystyrene layer on which the sulfonic acid group is capable to absorb metal ions and induce the growth of nanostructured metal oxides. Owing to the smart architecture and synergistic effect provided by the individual ingredients, the NiCoO2@CNT-modified electrode shows fast surface reaction kinetics and excellent catalytic properties towards glucose oxidation. As electrode material for non-enzyme glucose sensors, it displays good analytical performance for glucose with response sensitivity of 1424.41 μA mM−1, low detection limit of 1.14 μM, satisfactory selectivity and stability.
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