Formaldehyde detection: SnO2 microspheres for formaldehyde gas sensor with high sensitivity, fast response/recovery and good selectivity
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- 作者：Yuxiu LiaAuthor Vitae ; Nan ChenbAuthor Vitae ; Dongyang DengaAuthor Vitae ; Xinxin XingaAuthor Vitae ; Xuechun Xiaob ; cAuthor Vitae ; Yude Wangb ; c ; ydwang@ynu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; wangyd99@163.com" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：SnO2 microspheres ; Hydrothermal synthesis ; Gas sensor ; Formaldehyde ; Stability
- 刊名：Sensors & Actuators: B. Chemical
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：238
- 期：Complete
- 页码：264-273
- 全文大小：3536 K
文摘
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SnO2 microspheres were successfully synthesized by a facile hydrothermal method.
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SnO2 microspheres are composed of large small spheres with average diameters of about 250 nm.
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Small spheres consist of numerous primary nanocrystallites with average sizes of about 8 nm.
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SnO2 microspheres have excellent gas sensing properties for formaldehyde gas.
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SnO2 microspheres are promising candidate for practical detectors for formaldehyde gas.