A low-cost portable electrical sensor for hydroxyl ions based on amorphous InGaZnO4 thin film at room temperature
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- 作者：Dali Suna ; 1 ; dsun@houstonmethodist.org" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Hiroaki Matsuia ; bAuthor Vitae ; Hiroyasu YamaharabAuthor Vitae ; Chang LiucAuthor Vitae ; Lei WudAuthor Vitae ; Hitoshi Tabataa ; bAuthor Vitae
- 关键词：aIGZO ; amorphous indium gallium zinc oxide ; XPS ; X-ray photoelectron spectroscopy
- 刊名：Sensors & Actuators: B. Chemical
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：239
- 期：Complete
- 页码：679-687
- 全文大小：2101 K
文摘
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A thin film sensing strategy directly targeting OH− in solution.
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Sensor detection is electrical in high alkali region.
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A theoretical model based on surface vacancy was proposed with validation.
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An easy and ready-to-use portable OH− sensor application was also developed which owned superior sensitivity, linearity and environmental stability.