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Ethanol chemiresistor with enhanced discriminative ability from acetone based on Sr-doped SnO2 nanofibers

Jiang, Ziqiao, Jiang, Tingting, Wang, Jinfeng, Wang, Zhaojie, Xu, Xiuru, Wang, Zongxin, Zhao, Rui, Li, Zhenyu and Wang, Ce 2015, Ethanol chemiresistor with enhanced discriminative ability from acetone based on Sr-doped SnO2 nanofibers, Journal of colloid and interface science, vol. 437, pp. 252-258, doi: 10.1016/j.jcis.2014.09.056.

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Title Ethanol chemiresistor with enhanced discriminative ability from acetone based on Sr-doped SnO2 nanofibers
Author(s) Jiang, Ziqiao
Jiang, Tingting
Wang, JinfengORCID iD for Wang, Jinfeng orcid.org/0000-0002-2568-2170
Wang, Zhaojie
Xu, Xiuru
Wang, Zongxin
Zhao, Rui
Li, Zhenyu
Wang, Ce
Journal name Journal of colloid and interface science
Volume number 437
Start page 252
End page 258
Total pages 7
Publisher Elsevier
Place of publication Amsterdam, The Netherands
Publication date 2015-01-01
ISSN 0021-9797
1095-7103
Keyword(s) Electrospinning
Ethanol sensor
Rapid
Selectivity
Sensitive
Sr-functionalized SnO2
Summary We demonstrated a new metal oxides based chemiresistor (MOC), which exhibits fast response/recovery behavior, large sensitivity, and good selectivity to ethanol, enabled by Sr-doped SnO2 nanofibers via simple electrospinning and followed by calcination. Transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD), and X-ray photoelectron spectra (XPS) were carefully used to characterize their morphology, structure, and composition. The ethanol sensing performances based on Sr-doped SnO2 nanofibers were investigated. Comparing with the pristine SnO2 nanofibers, enhanced ethanol sensing performances (more rapid response/recovery behavior and larger response values) have been achieved owing to the basic SnO2 surface caused by Sr-doping, whereas the acetone sensing performances have been weakened. Thus, good discriminative ability to ethanol from acetone has been realized. Additionally, Sr-doped SnO2 nanofibers also exhibit good selectivity.
Language eng
DOI 10.1016/j.jcis.2014.09.056
Field of Research 030601 Catalysis and Mechanisms of Reactions
Socio Economic Objective 960199 Air Quality not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30067774

Document type: Journal Article
Collection: Institute for Frontier Materials
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Created: Wed, 26 Nov 2014, 08:41:03 EST

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