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Ultrasensitive hydrogen sensor based on Pd0-loaded SnO2 electrospun nanofibers at room temperature

Wang, Zhaojie, Li, Zhenyu, Jiang, Tingting, Xu, Xiuru and Wang, Ce 2013, Ultrasensitive hydrogen sensor based on Pd0-loaded SnO2 electrospun nanofibers at room temperature, ACS applied materials and interfaces, vol. 5, no. 6, pp. 2013-2021, doi: 10.1021/am3028553.

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Title Ultrasensitive hydrogen sensor based on Pd0-loaded SnO2 electrospun nanofibers at room temperature
Author(s) Wang, Zhaojie
Li, Zhenyu
Jiang, Tingting
Xu, Xiuru
Wang, Ce
Journal name ACS applied materials and interfaces
Volume number 5
Issue number 6
Start page 2013
End page 2021
Total pages 9
Publisher American chemical society
Place of publication Washington, D.C.
Publication date 2013
ISSN 1944-8244
Keyword(s) hydrogen sensors
SnO2 nanofibers
room temperature
crystal structure
catalytic activity
Summary Pd0-loaded SnO2 nanofibers have been successfully synthesized with different loaded levels via electrospinning process, sintering technology, and in situ reduction. This simple strategy could be expected to extend for the fabrication of similar metal?oxide loaded nanofibers using different precursors. The morphological and structural characteristics of the resultant product were investigated by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and X-ray photoelectron spectra (XPS). To demonstrate the usage of such Pd0-loaded SnO2 nanomaterial, a chemical gas sensor has been fabricated and investigated for H2 detection. The sensing performances versus Pd0-loaded levels have been investigated in detail. An ultralow limit of detection (20 ppb), high response, fast response and recovery, and selectivity have been obtained on the basis of the sensors operating at room temperature. The combination of SnO2 crystal structure and catalytic activity of Pd0-loaded gives a very attractive sensing behavior for applications as real-time monitoring gas sensors.
Language eng
DOI 10.1021/am3028553
Field of Research 050206 Environmental Monitoring
Socio Economic Objective 849801 Management of Gaseous Waste from Mineral Resource Activities (excl. Greenhouse Gases)
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2013, American Chemical Society
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Document type: Journal Article
Collection: Institute for Frontier Materials
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Created: Tue, 12 Nov 2013, 14:04:55 EST

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