期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 137, 期 2, 页码 471-475出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2008.11.042
关键词
SnO2; Nanofibers; Toluene; Vapour
资金
- Open Project of Key Laboratory of Low Dimensional Materials & Application Technology (Xiangtan University)
- Ministry of Education, China [KF0706]
- NNSF of China [10672139]
- Key Project of Education Department of Hunan Province [06A072]
A simple method for the large-scale synthesis of SnO2 nanofibers has been demonstrated through an electrospinning method. The as-synthesized fibers are characterized by scanning electron microscopy, transmission electron microscopy, selected area electron diffraction, X-ray diffraction, and energy dispersive X-ray analysis. The sensor fabricated from these fibers exhibits high response to toluene at 350 degrees C with good selectivity. The response time and recovery time are about I and 5 s, respectively. The linear dependence of the response value on the toluene concentration is observed in the range of 10-300 ppm. The potential application of SnO2 nanofibers for fabricating high performance toluene sensors at industry level has been demonstrated. (C) 2008 Elsevier B.V. All rights reserved.
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