Facile development of high performance QCM humidity sensor based on protonated polyethylenimine-graphene oxide nanocomposite thin film
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- 作者：Huiling Tai ; taitai1980@uestc.edu.cn" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Yuan ZhenAuthor Vitae ; Chunhua LiuAuthor Vitae ; Zongbiao YeAuthor Vitae ; Guangzhong XieAuthor Vitae ; Xiaosong DuAuthor Vitae ; Yadong JiangAuthor Vitae
- 关键词：Protonated polyethylenimine ; Graphene oxide (GO) ; Nanocomposite ; Quartz crystal microbalance (QCM) ; Humidity sensor
- 刊名：Sensors & Actuators: B. Chemical
- 出版年：2016
- 出版时间：July 2016
- 年：2016
- 卷：230
- 期：Complete
- 页码：501-509
- 全文大小：3378 K
文摘
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A breakthrough was achieved for preparing P-PEI-GO thin film under mild conditions.
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A high performance humidity QCM sensor was developed based on P-PEI-GO thin film.
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The humidity hysteresis, stability and durability of sensors were greatly enhanced.
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Schematic models of adsorption sites and sensing mechanism were established.