Visible light enhanced gas sensing of CdSe nanoribbons of ethanol

A visible light-enhanced gas sensor based on cadmium selenide (CdSe) nanoribbons has been successfully developed. These nanoribbons were synthesized by a gold-catalyzed vapor-liquid-solid method and employed as visible-light-activated gas sensors for 50 to 1000 ppm ethanol at 200 degree C. Visible l...

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Bibliographic Details
Published in:CrystEngComm 2014-01, Vol.16 (20), p.4231-4235
Main Authors: Lin, Zhangqing, Liao, Fan, Zhu, Lili, Lu, Shunkai, Sheng, Minqi, Gao, Suning, Shao, Mingwang
Format: Article
Language:English
Subjects:
Cadmium selenides
Conductance
Ethanol
Ethyl alcohol
Gas sensors
Illumination
Intermetallics
Nanostructure
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Summary:A visible light-enhanced gas sensor based on cadmium selenide (CdSe) nanoribbons has been successfully developed. These nanoribbons were synthesized by a gold-catalyzed vapor-liquid-solid method and employed as visible-light-activated gas sensors for 50 to 1000 ppm ethanol at 200 degree C. Visible light illumination on the surface of CdSe nanoribbons could produce more holes and increase the conductance of the sensor which significantly enhanced the gas response.
ISSN:1466-8033
1466-8033
DOI:10.1039/c3ce42577k