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  • Synthesis of nearly monodisperse Co3O4 nanocubes via a microwave-assisted solvothermal process and their gas sensing properties

    Author(s)
    Sun, Chao
    Su, Xintai
    Xiao, Feng
    Niu, Chunge
    Wang, Jide
    Griffith University Author(s)
    Su, Xintai
    Year published
    2011
    Metadata
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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 ...
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    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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    Journal Title
    Sensors and Actuators, B: Chemical
    Volume
    157
    Issue
    2
    DOI
    https://doi.org/10.1016/j.snb.2011.05.039
    Subject
    Physical Chemistry not elsewhere classified
    Optical Physics
    Analytical Chemistry
    Materials Engineering
    Publication URI
    http://hdl.handle.net/10072/172123
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    • Journal articles

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