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

被引：0
|
作者：
Peipei Lin
Fenglian Chai
Ruiqiao Zhang
Guiyun Xu
Xiaojian Fan
Xiliang Luo
机构：
[1] Qingdao University of Science and Technology,Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering
[2] The Eighth Peoples’ Hospital of Qingdao,Department of Breast Surgery
来源：
Microchimica Acta | 2016年 / 183卷
关键词：
Conducting polymer; Nanocomposite; Nitrite sensor; Electropolymerization; Cyclic voltammograms;
D O I：
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中图分类号：
学科分类号：
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 μM concentration range, with a detection limit of 60 nM.
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页码：1235 / 1241
页数：6
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