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Sensors 2009, 9(3), 1609-1624; doi:10.3390/s90301609
Review

Gas Sensors Based on Electrospun Nanofibers

1, 2,* , 3
,
2
 and
2, 4
1 State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, P.R. China 2 Nanomaterials Research Center, Modern Textile Institute, Donghua University, Shanghai 200051, P.R. China 3 Los Alamos National Laboratory, Los Alamos, NM 87545, USA 4 Fibers and Polymer Science, University of California, Davis, CA 95616, USA
* Author to whom correspondence should be addressed.
Received: 4 February 2009 / Revised: 24 February 2009 / Accepted: 6 February 2009 / Published: 9 March 2009
(This article belongs to the Special Issue Gas Sensors 2009)
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Abstract

Nanofibers fabricated via electrospinning have specific surface approximately one to two orders of the magnitude larger than flat films, making them excellent candidates for potential applications in sensors. This review is an attempt to give an overview on gas sensors using electrospun nanofibers comprising polyelectrolytes, conducting polymer composites, and semiconductors based on various sensing techniques such as acoustic wave, resistive, photoelectric, and optical techniques. The results of sensing experiments indicate that the nanofiber-based sensors showed much higher sensitivity and quicker responses to target gases, compared with sensors based on flat films.
Keywords: Gas sensors; electrospinning; nanofibers; acoustic wave; resistive; photoelectric; optical Gas sensors; electrospinning; nanofibers; acoustic wave; resistive; photoelectric; optical
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Ding, B.; Wang, M.; Yu, J.; Sun, G. Gas Sensors Based on Electrospun Nanofibers. Sensors 2009, 9, 1609-1624.

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