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Advances in Condensed Matter Physics - Volume 2017 2017, Article ID 9720973, 6 pages -

Research Article

Department of Electronic Information and Electrical Engineering, Hefei University, Hefei, Anhui 230601, China

Research Center for Biomimetic Functional Materials and Sensing Devices, Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031, China

College of Chemistry and Chemical Engineering, Anhui University, Hefei, Anhui 230039, China

Correspondence should be addressed to Zhong Chu and Zhen Jin

Received 3 October 2016; Accepted 9 January 2017; Published 14 February 2017

Academic Editor: Jinjin Li

Copyright © 2017 Shan-Hong Li et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The mesoporous SnO2 nanowires composed of nanoparticles and nanopores have been successfully synthesized within the nanochannels of anodic alumina oxide templates by a facile sol-gel method. XRD, SEM, and HRTEM were used to characterize the synthesized mesoporous SnO2 nanowires. The sensing property of the mesoporous SnO2 nanowires in ethanol detection also has been studied. The as-prepared product displays excellent the high sensitivity, rapid response, and excellent repeatability to ethanol. The detection limit of the mesoporous SnO2 nanowires to ethanol reaches 1 ppm. The sensing mechanism of the mesoporous SnO2 nanowires has been further discussed. It is expected that the mesoporous SnO2 nanowires might become a good sensing material for promising industrial applications.

Autor: Shan-Hong Li, Fang-Fang Meng, Zhong Chu, Tao Luo, Fu-Min Peng, and Zhen Jin



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