Using the photo-enhanced barrier effect on electrochemical response for highly sensitive detection of melamine

被引：3
|
作者：
He, Yichang [1 ]
Liao, Yiquan [1 ]
Zhang, Bin [1 ]
Xu, Ruiqi [1 ]
Ma, Ye [1 ]
Zhao, Minggang [1 ]
Cui, Hongzhi [1 ]
机构：
[1] Ocean Univ China, Sch Mat Sci & Engn, Qingdao 266100, Peoples R China
来源：
FOOD CHEMISTRY | 2024年 / 432卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Heterojunction; Carbon nano-point; Energy barrier; Sensor; Melamine; CARBON QUANTUM DOTS; NANOCOMPOSITE; ELECTRODE;
D O I：
10.1016/j.foodchem.2023.137246
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Melamine added to milk powder can lead to kidney injury and even death, but rapid detection is still hard due to the strong interference of milk powder solution. Herein, the CC/CeO2/CNPs mesh was constructed to detect melamine by using the photo-enhanced barrier effects on electrochemical response. Schottky barrier was regulated effectively to produce electrochemical response to melamine by photo-induced electrostatic interaction, which exhibited strong resistance to interference in milk powder solution. Sensitivity was enhanced by nearly 5 times and the lowest detection limit was reduced as low as 0.274 nM. The obtained high recovery (100%-104%) and good stability in milk powder solution indicated the good potential for practical applications. It provides a new opportunity for achieving strong resistance to interference by using the photo-enhanced barrier driving effect on electrochemical response.
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收藏
页数：7
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