Nanopillar ZnO gas sensor for hydrogen and ethanol

被引：319

作者：

Bie, Li-Jian ^{[1
]}

Yan, Xiao-Na ^{[1
]}

Yin, Jing ^{[1
]}

Duan, Yue-Qin ^{[1
]}

Yuan, Zhi-Hao ^{[1
]}

机构：

[1] Tianjin Univ Technol, Sch Mat Sci & Engn, Nanomat & Nanotechnol Res Ctr, Tianjin 300191, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2007年 / 126卷 / 02期

基金：

中国国家自然科学基金;

关键词：

zinc oxide; nanomaterials; sensitivity; gas sensor;

D O I：

10.1016/j.snb.2007.04.011

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Aligned zinc oxide nanorods were synthesized directly via a two-step solution approach on an Al2O3 tube, and were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The zinc oxide nanorods prepared were uniform with diameters of 10-30nm and lengths about 1.4 mu m. The response S-r (=R-a/R-g) of the alignedzinc oxide nanorod sensorreached 18.29 and 10.41 to 100pp methanol and hydrogen, respectively, which was a two-fold increase compared with that reported in literature, demonstrating the potential for developing stable and sensitive gas sensors. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：604 / 608

页数：5

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