GAO Fan-qin, ZHAO Zhen-ting, SANG Sheng-bo, et al. Fabrication of block-building-like ZnO gas sensor and research on its gas sensitive properties[J]. 2014, 33(3): 26-29.
GAO Fan-qin, ZHAO Zhen-ting, SANG Sheng-bo, et al. Fabrication of block-building-like ZnO gas sensor and research on its gas sensitive properties[J]. 2014, 33(3): 26-29. DOI: 10.13873/j.1000-97872014.03.032.
Block-building-like ZnO nanostructure is synthesized by hydrothermal method
and the phase
chemical composition and micro morphology of the prepared ZnO nanostructure have been characterized and analyzed using X-ray diffraction( XRD)
energy dispersive spectroscopy( EDS) and scanning electron microscope( SEM).Methane gas sensitive properties of gas sensor are tested based on ZnO nanostructure
and test result proves that the optimum operating voltage is 5 V
and the maximum sensitivity is 55.4 % to volume fraction 200 × 10-6methane and the lowest detection limit is 1 × 10-6.
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