Methanol Sensing Properties of Electrospun SnO2 -ZnO Nanofibers

Shao Hong Wei; Mei Hua Zhou; Wei Ping Du

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

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 356-360Methanol Sensing Properties of Electrospun SnO2...

Methanol Sensing Properties of Electrospun SnO₂ -ZnO Nanofibers

Abstract:

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.

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Periodical:

Advanced Materials Research (Volumes 356-360)

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565-568

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.356-360.565

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Online since:

October 2011

Authors:

Shao Hong Wei, Mei Hua Zhou, Wei Ping Du

Keywords:

Electro-Spinning, Methanol Sensing, Nanofiber, SnO₂-ZnO

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