铜纳米颗粒修饰柔性石墨构建无酶葡萄糖传感器

李吉辉; 唐嘉欣; 卫洛; 何帅杰; 马力强; 沈万慈; 康飞宇; 黄正宏

doi:10.1016/S1872-5805(20)60498-X

铜纳米颗粒修饰柔性石墨构建无酶葡萄糖传感器

doi: 10.1016/S1872-5805(20)60498-X

李吉辉^1,2,
唐嘉欣^1,3,
卫洛^1,3,
何帅杰^1,3,
马力强^1,2,
沈万慈³,
康飞宇³,
黄正宏^3,

1.
中国矿业大学(北京) 化学与环境工程学院, 北京 100083;
2.
矿物加工科学与技术国家重点实验室, 北京 100160;
3.
清华大学材料学院先进材料教育部重点实验室, 北京 100084

基金项目: 国家自然科学基金（51672151）；矿物加工科学与技术国家重点实验室开放基金资助（BGRIMM-KJSKL-2019-19）；中央高校基本科研业务费专项资金资助（2020YQHH09）.

详细信息

作者简介:
李吉辉,博士,讲师.E-mail:lijihuisci@outlook.com

通讯作者:
黄正宏,博士,教授.E-mail:zhhuang@mail.tsinghua.edu.cn

中图分类号: TB33
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- 被引次数: 0
出版历程
- 收稿日期: 2020-05-03
- 修回日期: 2020-07-05
- 刊出日期: 2020-08-28

Preparation and performance of electrochemical glucose sensors based on copper nanoparticles loaded on flexible graphite sheet

1.
School of Chemical and Environmental Engineering, China University of Mining and Technology(Beijing), Beijing 100083, China;
2.
State Key Laboratory of Mineral Processing, Beijing 100160, China;
3.
Key Laboratory of Advanced Materials(MOE), School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China

Funds: National Natural Science Foundation of China (51672151), Open Foundation of State Key Laboratory of Mineral Processing (BGRIMM-KJSKL-2019-19), Fundamental Research Funds for the Central Universities (2020YQHH09).

摘要

摘要: 柔性石墨片（FGS）具备优良的导电性与柔韧性，可作为葡萄糖传感器的自支撑载体，解决由于使用黏结剂降低传感器性能的问题。本文采用水热法，使用抗坏血酸还原硫酸铜，在FGS上复合铜纳米颗粒构建Cu/FGS自支撑无酶葡萄糖传感器，在线性范围0.1~3.4 mmol/L内具有较高的灵敏度7 254.1 μA·mM^-1·cm^-2（R²=0.996 1），较低的检测限1.05 μmol/L；在线性范围3.4~5.6 mmol/L灵敏度为3 804.5 μA·mM^-1·cm^-2（R²=0.9995）。此外，该电极还有较好的抗干扰性、重复性及稳定性。
- 铜纳米粒子 /
- 柔性石墨片 /
- 水热 /
- 自支撑无酶葡萄糖传感器
Abstract: A flexible graphite sheet can be used as a self-supported substrate material for sensors owing to its excellent conductivity and flexibility. Copper nanoparticle/flexible graphite sheet self-supporting enzyme-free glucose sensors were prepared by a hydrothermal method using copper sulfate as the elemental copper source and ascorbic acid as the reducing agent. Results indicate that both the molar ratio of copper sulfate to ascorbic acid and the hydrothermal temperature affect the microstructure and sensor performance. The optimal sensor obtained with a ratio of 1:0.5 at 150℃ has a low detection limit of 1.05 μmol/L, and high sensitivities of 7 254.1 μA·mM^-1·cm^-2(R²=0.996 1)from 0.1 to 3.4 μmol/L and 3 804.5 μA·mM^-1·cm^-2 (R²=0.999 5) from 3.4 to 5.6 μmol/L. The sensor possesses excellent anti-interference properties against sodium chloride, acetaminophenol, ascorbic acid, dopamine, and uric acid, and has good reproducibility.
- Copper nanoparticles /
- Flexible graphite sheet /
- Hydrothermal /
- Self-supporting non-enzyme glucose sensor

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