2015
DOI: 10.1016/j.snb.2015.07.070
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Graphene–metal oxide nanohybrids for toxic gas sensor: A review

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Cited by 645 publications
(252 citation statements)
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“…Metal oxides such as SnO 2 , ZnO, WO 3 , Cu 2 O and Co 3 O 4 are being used in hybrid materials based on graphene to develop toxic gas sensors for analytes such as CO, NO x and NH 3 [76]. Some difficulties for its implementation on a large scale are a lack of reproducibility, non-uniform thickness of the graphene, high sheet resistance and relative inertness to hydrophilic atmospheres.…”
Section: Applications In Gas Sensorsmentioning
confidence: 99%
“…Metal oxides such as SnO 2 , ZnO, WO 3 , Cu 2 O and Co 3 O 4 are being used in hybrid materials based on graphene to develop toxic gas sensors for analytes such as CO, NO x and NH 3 [76]. Some difficulties for its implementation on a large scale are a lack of reproducibility, non-uniform thickness of the graphene, high sheet resistance and relative inertness to hydrophilic atmospheres.…”
Section: Applications In Gas Sensorsmentioning
confidence: 99%
“…[1][2][3] The detection of gases such as H 2 S, SO 2 , and NH 3 , which can be harmful to human health, is necessary in many elds, especially environmental monitoring and process control, due to their toxicity and associated risk to the ecosystem. 4,5 In addition to the various toxic and/or combustible gaseous and liquid products generated at chemical and materials processing plants, ensuring security at airports and other public sites is a clear motivation for tracking and controlling such emissions of chemical analytes.…”
Section: Introductionmentioning
confidence: 99%
“…For example, in the functionalization of graphene with metal nanomaterial a sizable energy gap can be opened up in graphene through the quantum confinement effect [7]. This is favorable for using the rGO/metal nanomaterial hybrids to make devices (super capacitors, solar cells, and sensors…).…”
Section: Introductionmentioning
confidence: 99%