Synthesis of nearly monodisperse Co3O4 nanocubes via a microwave-assisted solvothermal process and their gas sensing properties |
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| Authors: | Chao SunAuthor VitaeXintai SuAuthor Vitae Feng XiaoAuthor VitaeChunge NiuAuthor Vitae Jide WangAuthor Vitae |
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| Affiliation: | a Ministry Key Laboratory of Oil and Gas Fine Chemicals, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, China
b Petrochemical Research Institute, Karamay Petrochemical Company, Karamay 834700, China |
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| Abstract: | Nearly monodisperse Co3O4 nanocubes have been prepared by a microwave-assisted solvothermal (MS) method at 180 °C for 20 min. The samples are characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The XRD pattern and TEM images of the products illustrated that Co3O4 nanocubes had a cubic phase with a lateral size of ∼20 nm. The gas response of the Co3O4 nanocubes was studied to several typical organic gases. The Co3O4 nanocubes showed good gas sensing performance towards xylene and ethanol vapors with rapid and high responses at a low-operating temperature. The results showed that the Co3O4 nanocubes can be used to fabricate high performance gas sensors. |
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| Keywords: | Co3O4 nanocubes Microwave-assisted solvothermal (MS) method Gas sensors Xylene |
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