Fabrication of Prussian Blue/Multi-Walled Carbon Nanotubes Modified Glassy Carbon Electrode for Electrochemical Detection of Hydrogen Peroxide

被引：0

作者：

Farah, Abdullahi Mohamed ^{[1
]}

Shooto, Ntaote David ^{[1
]}

Thema, Force Tefo ^{[1
]}

Modise, Johannes Sekomeng ^{[2
]}

Dikio, Ezekiel Dixon ^{[1
]}

机构：

[1] Vaal Univ Technol, Dept Chem, ZA-1900 Vanderbijlpark, South Africa

[2] Vaal Univ Technol, Inst Chem & Biotechnol, ZA-1900 Vanderbijlpark, South Africa

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2012年 / 7卷 / 05期

关键词：

Prussian blue; electrochemical; carbon nanotubes; Hydrogen peroxide; BLUE; SENSOR; BIOSENSORS;

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Prussian blue nanoparticles synthesized from K-4[Fe(CN)(6)]3H(2)O and Fe(NO3)(3)center dot 9H(2)O, were characterized by Fourier transform infrared (FT-IR), X-ray diffraction (XRD), Energy dispersive spectroscopy (EDS), Scanning electron microscopy (SEM), and Raman spectroscopy. Prussian blue nanoparticles were modified on a glassy carbon electrode as a mediator of carbon nanotube; three electrodes GC-Bare, GC-PB and GC-CNT-PB were fabricated. Cyclic voltammetry were employed to characterize electrodes at pH ranges of (3 - 7.4) in 0.1M phosphate buffer solution, in the absence or presence of 25 mu M of H2O2. Compared with Prussian blue (PB) modified on glassy carbon electrode (GC-PB), the GC-CNT-PB electrode exhibits much electrochemical stability, much wider pH range and high response currents for the reduction of hydrogen peroxide (H2O2).

引用

页码：4302 / 4313

页数：12

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