The role of polyaniline on the electrochemical performance for benzoic acid detection at the composite nanorods modified electrode

被引：0
作者：
Qiu F.L. [1 ]
Ma Y. [1 ]
Wei T. [1 ]
Lin F.F. [1 ]
Wu H. [1 ]
Yan L. [1 ]
Zhang Y. [2 ]
Pei L.Z. [1 ]
Fan C.G. [1 ]
机构：
[1] Key Laboratory of Metallurgical Emission Reduction and Resources Recycling, Ministry of Education, Key Lab of Materials Science and Processing of Anhui Province, School of Materials Science and Engineering, Anhui University of Technology, Ma'anshan, Anhui
[2] Key Laboratory for Power Metallurgy Technology and Advanced Materials of Xiamen, Xiamen University of Technology, Xiamen, Fujian
来源：
Journal of Bionanoscience | 2018年 / 12卷 / 05期
关键词：
Benzoic Acid; Composite Nanorods; Electrochemical Performance; Modified Electrode; Polyaniline;
D O I：
10.1166/jbns.2018.1584
中图分类号：
学科分类号：
摘要：
The glassy carbon electrode has been modified with the polyaniline/zinc bismuthate composite nanorods and the role of polyaniline on the electrochemical performance for benzoic acid detection has been investigated. 20 wt.% polyaniline/zinc bismuthate nanorods modified glassy carbon electrode shows two pairs of semi-reversible cyclic voltammetry (CV) peaks located at +0.16 V (cvp1), +0.05 V (cvp1′ and +0.03 V (cvp2), -0.44 V (cvp2′, respectively. The current response exhibits linear relationship with the benzoic acid concentration in the range of 0.001-2 mM, where the limit of detection is 0.78 μM and 0.45 μM for cvp1 and cvp2, respectively. With increasing the polyaniline content from 10 wt.% to 40 wt.%, the limit of detection for cvp1 and cvp2 decreases from 0.92 μM, 0.69 μM to 0.36 μM, 0.18 μM, respectively. The polyaniline obviously enhances the electrochemical detection ability for benzoic acid. © 2018 American Scientific Publishers All rights reserved.
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收藏
页码：694 / 699
页数：5
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