A novel electrochemiluminescence resonance energy transfer system of luminol-graphene quantum dot composite and its application in H2O2 detection

被引：38
|
作者：
Tian, Kaile [1 ]
Li, Dejian [1 ]
Tang, Tingting [1 ]
Nie, Fei [1 ]
Zhou, Yang [2 ]
Du, Jianxiu [2 ]
Zheng, Jianbin [1 ]
机构：
[1] Northwest Univ Xian, Inst Analyt Sci, Shaanxi Prov Key Lab Electroanalyt Chem, Xian 710069, Shaanxi, Peoples R China
[2] Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Analyt Chem Life Sci Shaanxi Prov, Xian 710062, Shaanxi, Peoples R China
来源：
TALANTA | 2018年 / 185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：
Electrochemiluminescence; Nitrogen-doped graphene quantum dot; Luminol; Resonance energy transfer; Hydrogen peroxide; LABEL-FREE DETECTION; ELECTROGENERATED CHEMILUMINESCENCE; EMERGENT NANOLIGHTS; SENSING APPLICATION; GOLD NANOPARTICLES; CARBON NANODOTS; PHOTOCATALYSTS; APTASENSOR; SENSOR; DNA;
D O I：
10.1016/j.talanta.2018.03.064
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Luminol-nitrogen doped graphene quantum dot (luminol-NGQDs) nanocomposite was synthesized and a novel electrochemiluminescence resonance energy transfer (ECL-RET) process occurred between luminol as the donor and NGQDs as the acceptor in the composite. This ECL-RET effect helped luminol-NGQDs composite produced an anodic ECL signal without coreactants. The ECL-RET mechanism was also studied based on the fluorescence spectra, the ultraviolet visible absorption spectra and the electrochemiluminescence (ECL) spectra. Based on the significant sensitization effect of hydrogen peroxide on luminol-NGQDs ECL signal, an ECL method for the sensitive determination of hydrogen peroxide was established and then applied to the detection of hydrogen peroxide in water samples.
引用
收藏
页码：446 / 452
页数：7
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