Abstract
From the past decade, there is a demand for the development of highly sensitive and selective, operating at low temperature, and stable gas-sensing materials used to monitor hazardous gases. The discovery of graphene has led to the implication of the same as gas sensor as it possesses large value of surface to volume ratio and high value of electron mobility at room temperature. Few researchers have fabricated reduced graphene oxide–metal oxide composite gas sensors exhibiting good electrical and gas-sensing properties. But still, it is a very less explored area. This article provides an overview of electrical and gas-sensing properties of reduced graphene oxide–metal oxide nanocomposites with improved sensitivity, selectivity, stability, and other sensing performances. This review is mainly focuses on reduced graphene oxide–metal oxide nanocomposite-based gas sensors which are cost-effective and sensitive to the various gases/vapors.
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The authors would like to thank the Deanship of Scientific Research at Umm Al-Qura University for supporting this work by Grant Code: 22UQU4340474DSR04. The authors extend their appreciation to the deanship of scientific research at King Khalid University for funding this work through large group project under grant number (RGP. 2/83/43).
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Kirannakumar H. V, Thejas R, Naveen C S and Mowffaq Oreijah work on literature survey; M. Ijaz Khan and Kiranakumar H. V. computed the results; Prasanna G. D and Kamel Guedri write the final manuscript; M. Ijaz Khan, Kamel Guedri, Omar T Bafakeeh, and Mohammed Jameel work on the figure illustration and address the referee’s comments. Sathish Reddy and M. Ijaz Khan review the final version.
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Kiranakumar. H. V, Thejas R, Naveen C S et al. A review on electrical and gas-sensing properties of reduced graphene oxide-metal oxide nanocomposites. Biomass Conv. Bioref. 14, 12625–12635 (2024). https://doi.org/10.1007/s13399-022-03258-7
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DOI: https://doi.org/10.1007/s13399-022-03258-7