Electrospun Cu-doped ZnO nanofibers for H2S sensing

被引：158
|
作者：
Zhao, Minggang [1 ,2 ]
Wang, Xinchang [1 ,2 ]
Ning, Lingling [1 ,2 ]
Jia, Jianfeng [1 ,2 ]
Li, Xinjian [1 ,2 ]
Cao, Liangliang [3 ]
机构：
[1] Zhengzhou Univ, Key Lab Mat Phys, Minist Educ, Zhengzhou 450052, Peoples R China
[2] Zhengzhou Univ, Sch Phys & Engn, Zhengzhou 450052, Peoples R China
[3] nGimat Co, Atlanta, GA 30341 USA
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2011年 / 156卷 / 02期
关键词：
ZnO nanofibers; Cu dopant; H2S sensor; Electrospinning; OPTICAL-PROPERTIES; FILMS; FABRICATION; NANOWIRES; NANOPARTICLES; HYDROGEN; GROWTH; SENSOR; SNO2;
D O I：
10.1016/j.snb.2011.01.070
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Pure and Cu-doped ZnO nanofibers were synthesized via electrospinning technology. The morphology and structure of the as-synthesized nanofibers were characterized by scanning electron microscopy (SEM). X-ray diffraction (XRD) and Raman spectroscopy. The effects of Cu doping on H2S sensing properties at low concentration (1-10 ppm) were investigated at 230 degrees C. The results show that the H2S sensing properties of ZnO nanofibers are effectively improved by Cu doping: 6 at%Cu-doped ZnO nanofibers show a maximum sensitivity to H2S gas, and the response to 10 ppm H2S is one order of magnitude higher than the one of pure ZnO nanofibers. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：588 / 592
页数：5
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