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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.



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. View Full-Text

Keywords: Gas sensors; electrospinning; nanofibers; acoustic wave; resistive; photoelectric; optical Gas sensors; electrospinning; nanofibers; acoustic wave; resistive; photoelectric; optical





Autor: Bin Ding 1, 2,* , Moran Wang 3, Jianyong Yu 2 and Gang Sun 2, 4

Fuente: http://mdpi.com/



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