Amperometric detection of hydrazine utilizing synergistic action of prussian blue @ silver nanoparticles/graphite felt modified electrode

被引：38

作者：

Zhao, Jihua ^{[1
]}

Liu, Jianxin ^{[1
]}

Tricard, Simon ^{[3
]}

Wang, Lei ^{[1
]}

Liang, Yanling ^{[1
]}

Cao, Linghua ^{[1
]}

Fang, Jian ^{[1
]}

Shen, Weiguo ^{[1
,2
]}

机构：

[1] Lanzhou Univ, Sch Chem & Chem Engn, Key Lab Nonferrous Met Chem & Resources Utilizat, Lanzhou 730000, Peoples R China

[2] E China Univ Sci & Technol, Sch Chem & Chem Engn, Shanghai 200237, Peoples R China

[3] Univ Toulouse, CNRS, INSA, Lab Phys & Chim Nanoobjets, F-31077 Toulouse, France

来源：

ELECTROCHIMICA ACTA | 2015年 / 171卷

基金：

中国国家自然科学基金;

关键词：

Prussian Blue; Silver nanoparticles; Graphite Felt; Hydrazine; GLASSY-CARBON ELECTRODE; ELECTROCATALYTIC OXIDATION; HEXACYANOFERRATE; REDUCTION; COMPOSITE; METHANOL; NANOTUBE; SENSOR; FILMS;

D O I：

10.1016/j.electacta.2015.05.027

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

In this study, a triple-component hydrazine sensor (PB@Ag/GF) was fabricated with freestanding graphite felt (GF), silver nanoparticles (Ag) and prussian blue (PB). The Ag nanoparticles were electrodeposited on GF ultrasonically (Ag/GF), and acted as a catalyst of the chemical deposition of PB. The electrode was characterized by scanning election microscopy (SEM), infrared spectroscopy (IR), X-ray diffraction (XRD), and energy-dispersive X-ray spectroscopy (EDS). The electrochemical behavior of PB@Ag/GF was measured by cyclic voltammetry and amperometric measurements. The sensor displayed a prominent electrocatalytic activity toward hydrazine oxidation, with a fast response time of 2 s, a low detection limit of 4.9 x 10(-7) mol L-1 and very high detection sensitivity of 26.06 A mol(-1) L. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：121 / 127

页数：7

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