Graphene oxide–SnO2 nanocomposite: synthesis, characterization, and enhanced gas sensing properties

Graphene oxide–tin oxide (GO–SnO 2 ) nanocomposite has been successfully prepared by a facile method via a hydrothermal treatment of aqueous dispersion of graphene oxide in the presence of tin chloride. The combined characterizations including X-ray diffraction, Raman, transmission electron microsco...

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Bibliographic Details
Published in:Journal of materials science. Materials in electronics 2017-11, Vol.28 (22), p.16973-16980
Main Authors: Han, Mengmeng, Liu, Wencheng, Qu, Yang, Du, Leiyu, Wei, Haoshuai
Format: Article
Language:English
Subjects:
Acetone
Adsorption
Carbon
Characterization and Evaluation of Materials
Chemistry and Materials Science
Detection
Electron microscopy
Ethanol
Gas sensors
Gases
Graphene
Hydrothermal treatment
Materials Science
Nanocomposites
Optical and Electronic Materials
Sensitivity enhancement
Sensors
Tin chloride
Tin dioxide
Toluene
Transmission electron microscopy
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Summary:Graphene oxide–tin oxide (GO–SnO 2 ) nanocomposite has been successfully prepared by a facile method via a hydrothermal treatment of aqueous dispersion of graphene oxide in the presence of tin chloride. The combined characterizations including X-ray diffraction, Raman, transmission electron microscopy and Brunauer–Emmett–Teller technique N 2 adsorption–desorption analyses indicate the successful formation of GO–SnO 2 nanocomposite with average crystal size about 14 nm. The gas sensing performances to ethanol, acetone, toluene, formaldehyde were studied for the GO–SnO 2 composition samples. The gas sensing results exhibit that GO doped can dramatically enhance the gas sensitivity to the test gases and increase the selectivity to ethanol.
ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-017-7619-6