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	Improved electrical conductivity of PANI/PEO polymer via electrospinning and its application as NH3 gas sensor
	Li, Sisi ; Zheng, Gaofeng ; Wang, Xiang ; Chen, Yong ; Wu, Dezhi ; Sun, Daoheng ; Zheng GF(郑高峰) ; Wu DZ(吴德志) ; Sun DH(孙道恒)
	2013
关键词	Chemical sensors Gas detectors Nanofibers Polyaniline Polyethylene oxides Semiconductor doping
英文摘要	Conference Name:8th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2013. Conference Address: Suzhou, China. Time:April 7, 2013 - April 10, 2013.; Institute of Electrical and Electronics Engineers (IEEE); IEEE Nanotechnology Council (NTC); Peking University; Soochow University; Chinese Academy of Sciences; Higher conductivity of electrospun nanofiber mat was observed by four-terminal resistance measurement compared to polyaniline (PANI)/ Polyethylene oxide (PEO) film based on the same doping method. In order to improve conductivity of the blended polymer and guarantee its spinability in the meanwhile, the concentration of PEO with great molecular weight of 5,000,000 could be decreased to 0.10wt%. The influences of voltage, electrode-to-collector distance and flow rate as well as environmental humidity in electrospinning process on the nanofiber morphology were respectively discussed in detail. PANI/PEO nanofiber mat can be used repeatedly for sensing NH3 gas. The response time is as short as about 6s and it can recover in 6 minutes when exposed to air. ? 2013 IEEE.
语种	英语
出处	http://dx.doi.org/10.1109/NEMS.2013.6559866
出版者	IEEE Computer Society
内容类型	其他
源URL	[http://dspace.xmu.edu.cn/handle/2288/86157]
专题	物理技术－会议论文
推荐引用方式 GB/T 7714	Li, Sisi,Zheng, Gaofeng,Wang, Xiang,et al. Improved electrical conductivity of PANI/PEO polymer via electrospinning and its application as NH3 gas sensor. 2013-01-01.

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