Highly sensitive and selective ethanol sensors based on flower-like ZnO nanorods |
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| Authors: | Liu Li Wang Lianyuan Han Yu Li Shouchun Shan Hao Wu Peilin Meng Xin Wei Aiguo Li Wei |
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| Affiliation: | 1. State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, China
2. College of Instrumentation and Electrical Engineering, Jilin University, Changchun 130061, China |
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| Abstract: | A simple and easy hydrothermal process has been employed to synthesize flower-like ZnO products consisting of numerous orderly oriented and bundled nanorods.The structure and morphology of the novel ZnO structure are characterized in detail.The flower-like ZnO-nanorod-based gas sensors are investigated for their ethanol-sensing properties,and the results reveal that the sensors exhibit a high response of 143.6 to 1000 ppm ethanol and good selectivity at the optimal operating temperature of 250 ℃.The effect of the flower-like morphology on the response of the gas sensors to ethanol is also investigated. |
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| Keywords: | ZnO nanostructure ethanol gas sensor |
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