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Forcespun metal oxide ultrafine tubes for hazardous gas monitoring

Abstract : In this paper, a simple home-made Forcespinning system was designed and successfully applied for the production of different metal oxide ultrafine tubes such as SnOx and ZnO. The morphology, purity, crystallinity and porosity of the forcespun samples were investigated by SEM, XRD, and EDS, TGA, and BET analysis. The samples were deposited unto a microsensing platform and their gas-sensing properties against different hazardous vapors such as ethanol, acetone and benzene were studied through preliminary tests at different detection temperatures. The results revealed different sensing behaviors of the prepared sensors towards the different vapors. Interestingly, the gas sensor based on SnO x exhibited a higher and faster sensor response towards ethanol at 180°C as operating temperature. On the other hand, ZnO presented a higher response to acetone at 250°C. The ability of the prepared sensors to discriminate between the different vapors was explored.
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Submitted on : Sunday, December 13, 2020 - 6:45:50 PM
Last modification on : Tuesday, January 4, 2022 - 6:08:18 AM
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Omar Bouaaliouat, Houda Lahlou, Es-Said Akhouayri, Ahmed Ihlal, Abdeljalil Benlhachemi, et al.. Forcespun metal oxide ultrafine tubes for hazardous gas monitoring. Materials Today: Proceedings, Elsevier, 2020, 27, pp.3124-3131. ⟨10.1016/j.matpr.2020.04.009⟩. ⟨hal-03041945⟩



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