A sensitive nonenzymatic hydrogen peroxide sensor based on Fe3O4-Fe2O3 nanocomposites

被引：21

作者：

Cao, Guang Sheng ^{[1
]}

Wang, Peilong ^{[1
]}

Li, Xin ^{[1
]}

Wang, Yue ^{[1
]}

Wang, Guilong ^{[1
]}

Li, Junping ^{[1
]}

机构：

[1] Northeast Petr Univ, Key Lab Enhanced Oil & Gas Recovery, Minist Educ, Daqing 163318, Peoples R China

来源：

BULLETIN OF MATERIALS SCIENCE | 2015年 / 38卷 / 01期

关键词：

Fe3O4; Fe2O3; nanocomposites; hydrogen peroxide; sensor; GLASSY-CARBON ELECTRODE; ELECTROCHEMICAL SENSOR; OXIDE NANOPARTICLES; REDUCTION; NANOTUBES; OXIDATION; H2O2;

D O I：

10.1007/s12034-014-0803-x

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Fe3O4-Fe2O3 nanocomposites were prepared by the co-precipitation method and followed by calcination process. The products were synthesized and characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy and energy-dispersive X-ray analysis. The obtained Fe3O4-Fe2O3 nanocomposites were then applied to study the electrocatalytic reduction of hydrogen peroxide (H2O2) in 0.01 M pH 7.0 phosphate buffer medium. Then the Fe3O4-Fe2O3 nanocomposites were used as active electrode material of electrochemical sensors for H2O2 detection The detection sensitivity of the sensor was 20.325 mu A mM (-1) , and the detection limit was estimated to be about 0.2 mM.

引用

页码：163 / 167

页数：5

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