Nanosheet-assembled hierarchical SnO2 nanostructures for efficient gas-sensing applications
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- 作者：Tianming LiaAuthor Vitae ; Wen Zenga ; wenzeng@cqu.edu.cn" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Huiwu LongaAuthor Vitae ; Zhongchang Wangb ; zcwang@wpi-aimr.tohoku.ac.jp" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：Metal oxide ; Nanostructure ; Oxygen vacancy ; Gas diffusion ; Sensor
- 刊名：Sensors & Actuators: B. Chemical
- 出版年：2016
- 出版时间：August 2016
- 年：2016
- 卷：231
- 期：Complete
- 页码：120-128
- 全文大小：3156 K
文摘
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Blooming, semi-blooming and porous semi-blooming SnO2 nanoflowers were prepared via facile hydrothermal conditions.
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The three nanosheet-assembled hierarchical SnO2 nanostructures were applied to test the ethanol gas-sensing performances.
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It is found that the sufficient amount of gas diffusion matters for the gas sensing rather than the fast gas diffusion speed.
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Gas-sensing mechanism was discussed in detail.
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The mesoporous semi-blooming nanoflowers based sensor was applied to monitor the existence of beer by using a simple integrated device.