NDLI: Preparation of sulfur-doped PANI/TiO$_{2}$ nanowires and its sensing properties to mercury

Content Provider	Springer Nature Link
Author	Sun, Mojie Wang, Dong Fang, Zhenxing Liu, Xiaomeng Li, Jian
Copyright Year	2015
Abstract	TiO$_{2}$ nanowires were successfully prepared via a simple hydrothermal method and a layer of sulfurized polyaniline(PANI) was loaded onto their surface to prepare a sensor of elemental mercury at room temperature. The sulfurized PANI/TiO$_{2}$ composite sensor has a high sensitivity to mercury in a range of density from 5.57 mg/m$^{3}$ to 126.18 mg/m$^{3}$ at room temperature. The response time and recovery time are relatively short. We also investigated the sensitivity and response time to other interfering gases, such as NO$_{2}$, SO$_{2}$ and NH$_{3}$. And the sulfurized PANI/TiO$_{2}$ composite material shows a good selectivity for element mercury. The microscopic structure of the sensor was investigated via X-ray diffraction(XRD), scanning electron microscopy(SEM) and energy dispersive X-ray analysis (EDAX). The sulfurized PANI/TiO$_{2}$ composite material shows a high sensitive response, and good selectivity to element mercury, which is promising for the application in the detection of element mercury.
Starting Page	581
Ending Page	584
Page Count	4
File Format	PDF
ISSN	10059040
Journal	Chemical Research in Chinese Universities
Volume Number	31
Issue Number	4
e-ISSN	22103171
Language	English
Publisher	Jilin University and The Editorial Department of Chemical Research in Chinese Universities
Publisher Date	2015-07-06
Publisher Place	Changchun
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Chemistry/Food Science Analytical Chemistry PANI/TiO$_{2}$ Physical Chemistry Hg pollution Mercury emissions monitoring Hg sensor Inorganic Chemistry Organic Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry Education

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