Improved ethanol sensing properties of Cu-doped SnO2 nanofibers

被引：44

作者：

Liu, Li ^{[1
,2
]}

Zhang, Tong ^{[3
]}

Wang, Lianyuan ^{[1
,2
]}

Li, Shouchun ^{[1
,2
]}

机构：

[1] Jilin Univ, Coll Phys, Changchun 130012, Peoples R China

[2] Jilin Univ, Natl Lab Superhard Mat, Changchun 130012, Peoples R China

[3] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China

来源：

MATERIALS LETTERS | 2009年 / 63卷 / 23期

关键词：

Electrical properties; Ceramics; Nanomaterials; Semiconductors; Sensors; TIN OXIDE; ZNO NANORODS; FILMS; H2S;

D O I：

10.1016/j.matlet.2009.06.048

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Pure and Cu-doped SnO2 nanofibers are synthesized via a simple electrospinning method, and characterized by transmission electron microscopy and X-ray diffraction. The sensor fabricated from Cu-doped SnO2 nanofibers exhibits improved sensing properties to ethanol at 300 degrees C. The sensitivity is up to 3 when this sensor is exposed to 5 ppm ethanol. The response and recovery times are about 1 and 10 s, respectively. The linear dependence of the sensitivity on the ethanol concentration is observed in the range of 5-500 ppm. Good selectivity is also observed in our studies. The results make Cu-doped SnO2 nanofibers good candidates for fabricating high performance ethanol sensors. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：2041 / 2043

页数：3

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