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电化学(中英文) ›› 2022, Vol. 28 ›› Issue (1): 2104211.  doi: 10.13208/j.electrochem.210421

所属专题: “电分析”专题文章

• 论文 • 上一篇    下一篇

一种基于电沉积3D花状CoS在自支撑石墨烯胶带电极上的非酶葡萄糖传感器的研究与应用

李江1, 李作鹏1, 白云峰1, 罗宿星2, 郭永1, 鲍雅妍1, 李容3, 刘海燕4, 冯锋1,*()   

  1. 1.山西大同大学化学与化工学院,山西 大同 037009
    2.遵义师范学院,贵州 遵义 563006
    3.西华师范大学化学化工学院,四川 南充 637000
    4.山西大同大学生命科学院,山西 大同 037009
  • 收稿日期:2021-04-21 修回日期:2021-06-30 出版日期:2022-01-28 发布日期:2021-08-03
  • 通讯作者: * Tel: (86-352)7158662, E-mail: feng-feng64@263.net

A Flexible Enzymeless Glucose Sensor via Electrodepositing 3D Flower-like CoS onto Self-Supporting Graphene Tape Electrode

Jiang Li1, Zuo-Peng Li1, Yun-Feng Bai1, Su-Xing Luo2, Yong Guo1, Ya-Yan Bao1, Rong Li3, Hai-Yan Liu4, Feng Feng1,*()   

  1. 1. School of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, Shanxi, P.R. China
    2. Department of Chemistry and Chemical Engineering, Zunyi Normal College, Zunyi 563006, Guizhou, P.R. China
    3. College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637000, Sichuan, P.R. China
    4. School of Life and Science, Shanxi Datong University, Datong 037009, Shanxi, P.R. China
  • Received:2021-04-21 Revised:2021-06-30 Published:2022-01-28 Online:2021-08-03

摘要:

本文将3D纳米结构花状CoS电沉积在石墨烯胶带电极(GTE)上,制备了一种对葡萄糖响应良好的电化学传感器。结构分析显示电沉积的CoS均匀地分散在了电极上。实验结果表明,制备的花状CoS/GTE葡萄糖传感器在0.025 ~ 1.0 mmol·L-1显示出良好的线性关系,灵敏度为323.3 μA·(mmol·L -1)-1·cm-2,检出限为8.5 μmol·L -1 (S/N = 3),而且制备的传感器能够应用于血清葡萄糖的检测。这表明本文制备的传感器具有一定的应用潜力。

关键词: 柔性电极, 花状CoS, 电沉积, 葡萄糖传感器

Abstract:

Three-dimensional (3D) nanostructural Flower-like cobalt sulfide (CoS) on flexible self-supporting graphene tape electrode (GTE) with remarkably electrocatalytic activity toward glucose was successfully prepared by electrodeposition. Structural characterizations revealed that the electrodeposited CoS was highly dispersed on GTE as an active material. The fabricated binder-free and self-standing CoS/GTE shows a good linear response in the range of 0.025 ~ 1.0 mmol·L-1, reaching a high glucose sensitivity value of 323.3 μA·(mmol·L -1)-1·cm-2 and a low detection limit of 8.5 μmol·L -1 (S/N = 3). Moreover, the as-prepared sensor was well applied for glucose determination in human serum. Thus, the self-supporting, binder-free, low-cost sensor has good potential as a promising device for practical quantitative analysis of glucose in human serum.

Key words: flexible electrode, flower-like CoS, electrodeposition, glucose sensor