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Sulfonated poly(ether ether ketone)/polypyrrole core–shell nanofibers : a novel polymeric adsorbent/conducting polymer nanostructures for ultrasensitive gas sensors

Wang, Wei, Li, Zhenyu, Jiang, Tingting, Zhao, Zhiwei, Li, Ye, Wang, Zhaojie and Wang, Ce 2012, Sulfonated poly(ether ether ketone)/polypyrrole core–shell nanofibers : a novel polymeric adsorbent/conducting polymer nanostructures for ultrasensitive gas sensors, ACS applied materials and interfaces, vol. 4, no. 11, pp. 6080-6084, doi: 10.1021/am301712t.

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Title Sulfonated poly(ether ether ketone)/polypyrrole core–shell nanofibers : a novel polymeric adsorbent/conducting polymer nanostructures for ultrasensitive gas sensors
Author(s) Wang, Wei
Li, Zhenyu
Jiang, Tingting
Zhao, Zhiwei
Li, Ye
Wang, Zhaojie
Wang, Ce
Journal name ACS applied materials and interfaces
Volume number 4
Issue number 11
Start page 6080
End page 6084
Total pages 5
Publisher American Chemical Society
Place of publication Washington, D.C.
Publication date 2012-11-28
ISSN 1944-8244
1944-8252
Keyword(s) electrospinning
gas sensor
polypyrrole
polymeric sensitizer
sulfonated poly(ether ether ketone)
one-dimensional core−shell structure
Summary Conducting polymers-based gas sensors have attracted increasing research attention these years. The introduction of inorganic sensitizers (noble metals or inorganic semiconductors) within the conducting polymers-based gas sensors has been regarded as the generally effective route for further enhanced sensors. Here we demonstrate a novel route for highly-efficient conducting polymers-based gas sensors by introduction of polymeric sensitizers (polymeric adsorbent) within the conducting polymeric nanostructures to form onedimensional polymeric adsorbent/conducting polymer core−shell nanocomposites, via electrospinning and solution-phase polymerization. The adsorption effect of the SPEEK toward NH3 can facilitate the mass diffusion of NH3 through the PPy layers, resulting in the enhanced sensing signals. On the basis of the SPEEK/PPy nanofibers, the sensors exhibit large gas responses, even when exposed to very low concentration of NH3 (20 ppb) at room temperature.
Language eng
DOI 10.1021/am301712t
Field of Research 050206 Environmental Monitoring
Socio Economic Objective 849801 Management of Gaseous Waste from Mineral Resource Activities (excl. Greenhouse Gases)
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2012, American Chemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30052894

Document type: Journal Article
Collection: Institute for Frontier Materials
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