[1]Zhang Yonghui,Liu Chunyan,Liu Huanzhen,et al.Synthesis of Bonsai-like ZnO and Its Gas Sensing Properties[J].Journal of Zhengzhou University (Engineering Science),2016,37(05):23-26,32.[doi:10.13705/j.issn.1671-6833.2016.05.005]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
37
Number of periods:
2016 05
Page number:
23-26,32
Column:
Public date:
2016-11-25
- Title:
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Synthesis of Bonsai-like ZnO and Its Gas Sensing Properties
- Author(s):
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Zhang Yonghui; Liu Chunyan; Liu Huanzhen; Gong Feilong; Li Feng
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Zhengzhou Institute of Light Industry, Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou 450001
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- Keywords:
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- CLC:
-
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- DOI:
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10.13705/j.issn.1671-6833.2016.05.005
- Abstract:
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The bonsai-shaped three-dimensional material was prepared for the first time by hydrothermal method. The XRD and thermal analysis test results showed that the prepared material was composed of basic zinc carbonate (Zn4CO3(OH)6·H2O) and ZnO, and the product was calcined at high temperature to obtain good crystallinity and ZnO material with hole-like structure on the side and bottom. The morphology of the material was systematically characterized by FESEM, and it was found that the bonsai-like ZnO was grown symmetrically by self-assembly of nanosheets, and each layer of growth would get a regular hexagonal structure .The material was prepared as a gas sensor and its gas-sensing performance was studied. The results showed that the constructed gas sensor had the highest sensitivity to ethanol gas at 340°C, and also had good response-recovery characteristics and stability. The material could Applied to improve the design and fabrication of ethanol-based sensors.