CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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Facile Synthesis of Rose-Like NiO Nanoparticles and Their Ethanol Gas-Sensing Property |
ZHANG Yong1,2, XIE Long-Zhen1, LI Hai-Rong1, WANG Peng1, LIU Su1, PENG Ying-Quan1**, ZHANG Miao3 |
1School of Physical Science and Technology, Lanzhou University, Lanzhou 730000 2Editorial Board of Journal of Lanzhou University, Lanzhou 730000 3Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050
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Cite this article: |
ZHANG Yong, XIE Long-Zhen, LI Hai-Rong et al 2015 Chin. Phys. Lett. 32 098103 |
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Abstract In this study, rose-like nickel oxide (NiO) nanoparticles with diameters of 400–500 nm are prepared on ITO glass substrates by simple electrodeposition in NiSO46H2O solution at room temperature followed by oxidation in air. Scanning electron microscopy, x-ray diffraction and a transmission electron microscope are used for analyses of the NiO nanoparticles. The ethanol gas sensitivity of these nanoparticles is studied. The results indicate that the rose-like NiO nanoparticles could be used for the fabrication of ethanol gas sensors to monitor the low concentration of ethanol gas in air. Furthermore, at 5 ppm, the NiO nanorose-based sensors show a high response to ethanol (Rg/Ra=8.4).
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Received: 18 March 2015
Published: 02 October 2015
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PACS: |
81.15.Pq
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(Electrodeposition, electroplating)
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78.67.Bf
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(Nanocrystals, nanoparticles, and nanoclusters)
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07.07.Df
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(Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing)
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