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- Title
Synthesis, Characterization, and m-Xylene Sensing Properties of Co-ZnO Composite Nanofibers.
- Authors
Liu, Li; Zhong, Zhicheng; Wang, Zhijun; Wang, Lianyuan; Li, Shouchun; Liu, Zhen; Han, Yu; Tian, YunXia; Wu, Peilin; Meng, Xin
- Abstract
Co-ZnO composite nanofibers (0, 0.2, 0.4, and 0.8 wt%) are synthesized by electrospinning and calcination techniques. The fiber diameters are found to decrease by increasing the Co content in the ZnO nanofibers. The m-xylene sensing properties of the ZnO nanofibers are effectively enhanced with appropriate Co amount. The best sensing properties are found based on the 0.4 wt% Co-ZnO composite nanofibers at 320°C. The corresponding response is up to 14.8 when the sensor is exposed to 100 ppm m-xylene, and the response and recovery times are about 4 and 6 s, respectively. Moreover, excellent selectivity is also observed in the sensing investigation. The results make Co-ZnO composite nanofibers good candidates for fabricating high performance m-xylene sensors.
- Subjects
NANOFIBERS; ELECTROSPINNING; OPTOELECTRONICS; NANOSTRUCTURES; X-ray diffraction
- Publication
Journal of the American Ceramic Society, 2011, Vol 94, Issue 10, p3437
- ISSN
0002-7820
- Publication type
Article
- DOI
10.1111/j.1551-2916.2011.04528.x