Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 145, Issue 2, Pages 875-878Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2010.01.002
Keywords
Tin oxide; Homogeneous precipitation method; Nanosheet; Gas sensor
Funding
- Science and Technology Developing Foundation for Tianjin Universities from Tianjin Education Committee [2006ZY11]
- Tianjin Natural Science Foundation [08JCZDJC18700]
- Tianjin Key Subject for Materials Physics and Chemistry
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Well-dispersed SnO2 nanosheets were obtained by the reaction of SnCl2 center dot 5H(2)O and CO(NH2)(2) on Al2O3 tube using homogeneous precipitation method. The morphology, size and phase of the nanosheets were analyzed by scanning electron microscope (SEM) and X-ray diffraction (XRD). A novel micro gas sensor based on as-prepared SnO2 nanosheets was successfully fabricated. The gas-sensing results show that the sensor response of SnO2 nanosheets sensor reaches 48.377 to 100 ppm ethanol with a response time less than 8 s. (C) 2010 Elsevier B.V. All rights reserved.
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