Preparation of Graphene–Zinc Oxide Nanostructure Composite for Carbon Monoxide Gas Sensing

Preparation of Graphene–Zinc Oxide Nanostructure Composite for Carbon Monoxide Gas Sensing A simple method to synthesize graphene–zinc oxide nanocomposite has been developed. A reduced graphene oxide–ZnO nanocomposite was prepared using a reflux method with ethylene glycol as medium. X-ray diffraction analysis, scanning electron microscopy, energy-dispersive spectrometry, and nitrogen adsorption–desorption measurements were used to characterize the resulting composite materials. The highest response of about 98% was observed when using pure ZnO at 300°C, while the second highest sensor response of about 96% was achieved by graphene–ZnO with 1:3 composition. It was found that the graphene–zinc oxide hybrid has potential to improve sensor performance at low temperature. The graphene–ZnO hybrid with 1:3 composition showed good response of 36% at 125°C, an operating temperature at which pure ZnO showed no response. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Electronic Materials Springer Journals

Preparation of Graphene–Zinc Oxide Nanostructure Composite for Carbon Monoxide Gas Sensing

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Publisher
Springer US
Copyright
Copyright © 2018 by The Minerals, Metals & Materials Society
Subject
Materials Science; Optical and Electronic Materials; Characterization and Evaluation of Materials; Electronics and Microelectronics, Instrumentation; Solid State Physics
ISSN
0361-5235
eISSN
1543-186X
D.O.I.
10.1007/s11664-018-6213-x
Publisher site
See Article on Publisher Site

Abstract

A simple method to synthesize graphene–zinc oxide nanocomposite has been developed. A reduced graphene oxide–ZnO nanocomposite was prepared using a reflux method with ethylene glycol as medium. X-ray diffraction analysis, scanning electron microscopy, energy-dispersive spectrometry, and nitrogen adsorption–desorption measurements were used to characterize the resulting composite materials. The highest response of about 98% was observed when using pure ZnO at 300°C, while the second highest sensor response of about 96% was achieved by graphene–ZnO with 1:3 composition. It was found that the graphene–zinc oxide hybrid has potential to improve sensor performance at low temperature. The graphene–ZnO hybrid with 1:3 composition showed good response of 36% at 125°C, an operating temperature at which pure ZnO showed no response.

Journal

Journal of Electronic MaterialsSpringer Journals

Published: Mar 21, 2018

References

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