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Improved hydrogen monitoring properties based on p-NiO/n-SnO2 heterojunction composite nanofibers

Wang, Zhaojie, Li, Zhenyu, Sun, Jinghui, Zhang, Hongnan, Wang, Wei, Zheng, Wei and Wang, Ce 2010, Improved hydrogen monitoring properties based on p-NiO/n-SnO2 heterojunction composite nanofibers, Journal of physical chemistry C, vol. 114, no. 13, pp. 6100-6105, doi: 10.1021/jp9100202.

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Title Improved hydrogen monitoring properties based on p-NiO/n-SnO2 heterojunction composite nanofibers
Formatted title Improved hydrogen monitoring properties based on p-NiO/n-SnO2 heterojunction composite nanofibers
Author(s) Wang, Zhaojie
Li, Zhenyu
Sun, Jinghui
Zhang, Hongnan
Wang, Wei
Zheng, Wei
Wang, Ce
Journal name Journal of physical chemistry C
Volume number 114
Issue number 13
Start page 6100
End page 6105
Total pages 6
Publisher American Chemical Society
Place of publication Washington, D. C.
Publication date 2010
ISSN 1932-7447
1932-7455
Summary Here we demonstrate the preparation and improved hydrogen monitoring properties based on p-NiO/n-SnO2 heterojunction composite nanofibers via the electrospinning technique and calcination procedure. NiO/SnO2 heterojuction composite nanofibers were spin-coated on the ceramic tube with a pair of Au electrodes for the detection of hydrogen. Extremely fast response−recovery behavior (̰3s) has been obtained at the operable temperature of 320 °C, based on our gas sensor, with the detection limit of approximate 5 ppm H2. The role of the addition of NiO into the SnO2 nanofibers and the sensing mechanism has also been discussed in this work.
Language eng
DOI 10.1021/jp9100202
Field of Research 030107 Sensor Technology (Chemical aspects)
100708 Nanomaterials
Socio Economic Objective 960199 Air Quality not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2010, American Chemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30048164

Document type: Journal Article
Collection: Institute for Frontier Materials
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