Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 134, Issue 1, Pages 36-42Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2008.04.011
Keywords
SnO2; Sm2O3; C2H2; Nanomaterials; Humidity interference
Funding
- Science and Technology Office, Jilin Province, China [2006528]
- Open Project of Key Laboratory of Low Dimensional Materials & Application Technology (Xiangtan University)
- Ministry of Education, China [KF0706]
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Pure and Sm2O3-doped SnO2 are prepared through a sol-gel method and characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The sensor based on 6wt% Sm2O3-doped SnO2 displays superior response at an operating temperature of 180 degrees C, and the response magnitude to 1000 ppm C2H2. can reach 63.8, which is 16.8 times larger than that of pure SnO2. This sensor also shows high sensitivity under various humidity conditions. These results make our product be a good candidate in fabricating C2H2 sensors. (C) 2008 Elsevier B.V. All rights reserved.
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