Characterization of partially reduced graphene oxide as room temperature sensor for H2

Reduced graphene oxide (RGO) was synthesized under H(2)/Ar treatment from 100 °C to 900 °C. RGO-300 shows excellent sensitivity to H(2) and a dual sensing mode was observed. The balance between the chemical adsorption capacity and electronic conductivity, and the dominance of either electrons or hol...

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Bibliographic Details
Published in:Nanoscale 2011-06, Vol.3 (6), p.2458-2460
Main Authors: Zhang, Le-Sheng, Wang, Wei D, Liang, Xian-Qing, Chu, Wang-Sheng, Song, Wei-Guo, Wang, Wei, Wu, Zi-Yu
Format: Article
Language:English
Subjects:
Adsorption
Air - analysis
Dominance
Electric Conductivity
Electronics
Environmental Monitoring
Explosions - prevention & control
Graphene
Graphite - chemistry
Hydrogen - analysis
Hydrogen - chemistry
Nanocomposites
Nanomaterials
Nanostructure
Oxidation-Reduction
Oxides
Oxides - chemistry
Temperature
Temperature sensors
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Summary:Reduced graphene oxide (RGO) was synthesized under H(2)/Ar treatment from 100 °C to 900 °C. RGO-300 shows excellent sensitivity to H(2) and a dual sensing mode was observed. The balance between the chemical adsorption capacity and electronic conductivity, and the dominance of either electrons or holes are the key factors.
ISSN:2040-3364
2040-3372
DOI:10.1039/c1nr10187k