Electrochemical Determination of Rutin Using SnO2/nitrogen-doped Graphene Composite Electrode

被引：8

作者：

Peng, Yingqiong ^{[1
]}

Liao, MuXin ^{[2
]}

Ma, Xue ^{[3
]}

Deng, Hong ^{[1
]}

Gao, Feng ^{[3
]}

Dai, Runying ^{[3
]}

Lu, Limin ^{[3
]}

机构：

[1] Jiangxi Agr Univ, Software Inst, Coll & Univ Jiangxi Prov Key Lab Informat Technol, Nanchang 330045, Jiangxi, Peoples R China

[2] Jiangxi Agr Univ, Coll Comp & Informat Engn, Nanchang, Jiangxi, Peoples R China

[3] Jiangxi Agr Univ, Coll Sci, Nanchang 330045, Jiangxi, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2019年 / 14卷 / 06期

基金：

中国国家自然科学基金;

关键词：

SnO2; nanoparticles; Nitrogen-doped graphene; rutin; Electrochemical determination; NITROGEN-DOPED GRAPHENE; ENHANCED ELECTROCHEMILUMINESCENCE; SENSITIVE DETECTION; CARBON NANOTUBES; ANODE MATERIALS; SERUM-ALBUMIN; NANOPARTICLES; NANOCOMPOSITES; PLATFORM; HYBRID;

D O I：

10.20964/2019.06.28

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Herein, the nanocomposites of SnO2 nanoparticles on the nitrogen-doped graphene (SnO2/NG) as a sensitive electrochemical sensing platform for rutin determination were easily prepared via a facile hydrothermal method. The results showed that the existence of NG in SnO2/NG composites could dramatically improve the conductivity, facilitate the electron transfer and enhance the electro-catalytic activity of rutin. Compared with pure SnO2, NG and SnO2/graphene, the as-prepared SnO2/NG nanocomposite presented improved electrocatalytic activity for the oxidation of rutin due to the synergetic effects from SnO2 and NG. Combined with differential pulse voltammetry, the prepared sensor based on SnO2/NG modified electrode displayed a wide linear range from 0.4 nM to 2 mu M with a detection limit of 0.2 nM. The modified electrode exhibited high stability and reproducibility as well as good selectivity. These results suggest that SnO2/NG could be successfully applied for detecting rutin in practical samples.

引用

页码：4946 / 4956

页数：11

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