Electrochemical synthesis of poly(3,4-ethylenedioxythiophene) doped with gold nanoparticles, and its application to nitrite sensing

被引：66
|
作者：
Lin, Peipei [1 ]
Chai, Fenglian [1 ]
Zhang, Ruiqiao [1 ]
Xu, Guiyun [1 ]
Fan, Xiaojian [2 ]
Luo, Xiliang [1 ]
机构：
[1] Qingdao Univ Sci & Technol, Coll Chem & Mol Engn, Key Lab Sensor Anal Tumor Marker, Minist Educ, Qingdao 266042, Peoples R China
[2] Eighth Peoples Hosp Qingdao, Dept Breast Surg, Qingdao 266100, Peoples R China
来源：
MICROCHIMICA ACTA | 2016年 / 183卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Conducting polymer; Nanocomposite; Nitrite sensor; Electropolymerization; Cyclic voltammograms; GLASSY-CARBON ELECTRODE; AU NANOPARTICLES; IONIC LIQUID; SENSOR; NANOCOMPOSITE; COMPOSITE; GRAPHENE; NANOTUBE; FILMS; DOPAMINE;
D O I：
10.1007/s00604-016-1751-5
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The work describes the synthesis of a nanocomposite consisting of poly(3,4-ethylenedioxythiophene) (PEDOT) doped with gold nanoparticles (AuNPs) by electropolymerization of EDOT in a solution containing colloidal AuNPs. The nanocomposite possesses good conductivity and a 3D microporous network structure owing to the presence of AuNPs. These act as both conductive dopant and template for the growth of the microporous polymer. A glassy carbon electrode modified with the nanocomposite exhibits excellent electrocatalytic activity towards oxidation of nitrite. Best operated at a voltage of 0.8 V (vs. Ag/AgCl), it is capable of detecting nitrite in the 0.2 to 1400 mu M concentration range, with a detection limit of 60 nM.
引用
收藏
页码：1235 / 1241
页数：7
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