Effect of morphology of α-MnO2 nanocrystals on electrochemical detection of toxic metal ions

被引：52
作者：
Zhang, Qiao-Xin [1 ]
Peng, Dai [2 ]
Huang, Xing-Jiu [1 ,3 ]
机构：
[1] Wuhan Univ Technol, Sch Mech & Elect Engn, Wuhan 430070, Peoples R China
[2] Wuhan Univ Technol, Sch Mat Sci & Engn, Wuhan 430070, Peoples R China
[3] Chinese Acad Sci, Inst Intelligent Machines, Res Ctr Biomimet Funct Mat & Sensing Devices, Hefei 230031, Peoples R China
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2013年 / 34卷
基金：
中国国家自然科学基金;
关键词：
MnO2; Nanoparticles; Nanobowls; Nanotubes; Heavy metal ions; Electrochemical detection; ANODIC-STRIPPING VOLTAMMETRY; WALLED CARBON NANOTUBES; MERCURY DROP ELECTRODE; NANOSTRUCTURED MNO2; FILM ELECTRODES; MANGANESE OXIDE; TRACE AMOUNTS; IN-SITU; LEAD(II); CD(II);
D O I：
10.1016/j.elecom.2013.07.005
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Three different morphologies of alpha-MnO2 (nanoparticles, nanobowls and nanotubes) have been prepared for the electrochemical determination of Zn(II), Cd(II), Pb(II), Cu(II) and Hg(II). The three different morphologies of MnO2-modified electrodes offered an obvious regularity in individual electrochemical determination of Zn(II), Pb(II), Cu(II) and Hg(II): MnO2 nanobowls > MnO2 nanotubes > MnO2 nanoparticles. This study indicates the effect of morphology of MnO2 on its electrochemical detection of toxic metal ions. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：270 / 273
页数：4
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