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

页码：588 / 592

页数：5

共 36 条

[21] Structural, optical and electrical studies on sol-gel deposited Zr doped ZnO films [J].

Paul, GK ;

Bandyopadhyay, S ;

Sen, SK ;

Sen, S .

MATERIALS CHEMISTRY AND PHYSICS, 2003, 79 (01) :71-75

[22] Synthesis and toluene sensing properties of SnO2 nanofibers [J].

Qi, Qi ;

Zhang, Tong ;

Liu, Li ;

Zheng, Xuejun .

SENSORS AND ACTUATORS B-CHEMICAL, 2009, 137 (02) :471-475

[23] Sub-ppm H2S sensing at room temperature using CuO thin films [J].

Ramgir, N. S. ;

Ganapathi, S. Kailasa ;

Kaur, M. ;

Datta, N. ;

Muthe, K. P. ;

Aswal, D. K. ;

Gupta, S. K. ;

Yakhmi, J. V. .

SENSORS AND ACTUATORS B-CHEMICAL, 2010, 151 (01) :90-96

[24] Gas sensitivity of ZnO based thick film sensor to NH3 at room temperature [J].

Rao, GST ;

Rao, DT .

SENSORS AND ACTUATORS B-CHEMICAL, 1999, 55 (2-3) :166-169

[25] Al-doped ZnO thin films as methanol sensors [J].

Sahay, P. P. ;

Nath, R. K. .

SENSORS AND ACTUATORS B-CHEMICAL, 2008, 134 (02) :654-659

[26] Synthesis and optical characterization of vertically grown ZnO nanowires in high crystallinity through vapor-liquid-solid growth mechanism [J].

Suh, Duk-Il ;

Byeon, Clare Chisu ;

Lee, Chang-Lyoul .

APPLIED SURFACE SCIENCE, 2010, 257 (05) :1454-1456

[27] Fe2O3-activated Cr2O3 thick films as temperature dependent gas sensors [J].

Suryawanshi, D. N. ;

Patil, D. R. ;

Patil, L. A. .

SENSORS AND ACTUATORS B-CHEMICAL, 2008, 134 (02) :579-584

[28] DEPENDENCE OF ELECTRICAL-CONDUCTIVITY OF ZNO ON DEGREE OF SINTERING [J].

TAKATA, M ;

TSUBONE, D ;

YANAGIDA, H .

JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1976, 59 (1-2) :4-8

[29] Cr2O3-sensitized ZnO electrospun nanofibers based ethanol detectors [J].

Wang, Wei ;

Li, Zhenyu ;

Zheng, Wei ;

Huang, Huimin ;

Wang, Ce ;

Sun, Jinghui .

SENSORS AND ACTUATORS B-CHEMICAL, 2010, 143 (02) :754-758

[30] Effect of Pd2+ doping on ZnO nanotetrapods ammonia sensor [J].

Wang, XH ;

Zhang, J ;

Zhu, ZQ ;

Zhu, JZ .

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2006, 276 (1-3) :59-64

← 1 2 3 4 →