Methanol Sensing Properties of Electrospun SnO2 -ZnO Nanofibers

Abstract:

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Pure ZnO and SnO2-ZnO nanofibers were synthesized by electrospinning method and characterized via X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The structure and methanol sensing properties of these fibers were investigated. The results indicate that the 20 wt% SnO2-ZnO sensor exhibits considerable sensitivity, rapid response, and good selectivity against methanol at 200 °C due to the special 1D fibers properties and the promoting effect of SnO2/ZnO heterojunction structure. The methanol sensing mechanism of SnO2 -ZnO nanofibers were also discussed.

Info:

Periodical:

Advanced Materials Research (Volumes 356-360)

Edited by:

Hexing Li, Qunjie Xu and Daquan Zhang

Pages:

565-568

DOI:

10.4028/www.scientific.net/AMR.356-360.565

Citation:

S. H. Wei et al., "Methanol Sensing Properties of Electrospun SnO2 -ZnO Nanofibers", Advanced Materials Research, Vols. 356-360, pp. 565-568, 2012

Online since:

October 2011

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Price:

$35.00

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