Highly sensitive electrochemical sensor based on novel Ag Nps/Ppti films for detection of hydrazine

被引:2
|
作者
Xu, Jing [1 ]
Long, Xiaoju [1 ]
Zhang, Jiaojing [1 ]
Wu, Song [1 ]
机构
[1] Northeast Petr Univ, Dept Petr & Chem Engn, Qinhuangdao, Hebei, Peoples R China
关键词
Ag NPs; PPTI; Amperometry; Electrochemical sensor; Hydiazine; CHEMICAL SENSOR; CARBON; OXIDE; COMPOSITES;
D O I
10.1108/PRT-09-2021-0120
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Purpose A novel semiconducting macromolecule-polyperylene tetraamide (PPTI) was first synthesized with a simple method using 3, 4, 9, 10-perylene tetracarboxylic acid (PTCA) and hydrazine hydrate (N2H4). Design/methodology/approach The Ag nanoparticle was doped on the surface or inside of the PPTI film to obtain a highly sensitive hydrazine sensor-Ag/PPTI, which was synthesized within one step. The structure of Ag/PPTI was characterized through various techniques such as Fourier transform infrared (FT-IR), thermogravimetric analyzer (TGA), X-ray diffraction (XRD), X-ray photoelectron spectroscopy measurements (XPS) and scanning electronic microscopy (SEM). Findings According to cyclic voltammetry results, Ag/PPTI/GCE indicated good electrocatalytic activity toward the oxidation of hydrazine. The amperometric detection of hydrazine was then applied on Ag/PPTI/GCE. It exhibited a wide linear range from 0.05 to 50 mu M, a low detection limit (S/N = 3) of 0.05 mu M and high sensitivity of 0.45 mu A/(mu M center dot cm2). Originality/value In authors' perception, this approach emerges as an effective technique for developing efficient chemical sensors for environmental pollutants.
引用
收藏
页码:413 / 421
页数:9
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