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Effect of bromide adsorption on electrowetting of Au electrode with hexadecane
http://hdl.handle.net/10069/37818
http://hdl.handle.net/10069/37818a75e2a9e-fd1d-48cb-80e5-dc5b2dfb3207
名前 / ファイル | ライセンス | アクション |
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EleAct251_355.pdf (877.1 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-10-10 | |||||
タイトル | ||||||
タイトル | Effect of bromide adsorption on electrowetting of Au electrode with hexadecane | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Alkane droplet | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Au(1 1 1) electrode | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Bromide adsorption | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Contact angle | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Potential-controlled shape change | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Morooka, Tetsuro
× Morooka, Tetsuro× Tahara, Hironobu× Sagara, Takamasa |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Electrowetting of a Au/aqueous solution interface with hexadecane (HD) was largely affected by specific adsorption of Br? on the Au surface. The adsorption distinctly changed the potential dependence of the contact angle (θ) of HD droplets on a Au(1 1 1) electrode surface in line with electrocapillary relationship. Measurements of θ as a macroscopic observable, being sensitive to the atomic level change of the electrode surface such as surface reconstruction and Br? adsorption, allowed us to monitor the state of the Au/aqueous solution interface as demonstrated by pinpointing the Br? desorption potential. The amplitude of potential-controlled reshaping of a HD 1.0 μL droplet was enhanced by specific adsorption of Br?. The specific adsorption also affected HD microdroplets (<50 μm diameter ? 33 pL volume) in the same way as 1.0 μL droplets as revealed by in situ electrochemical fluorescence imaging measurements. Overall, ionic adsorption provides us with opportunities of fine control of the dynamics of oil droplet in an electrode potential range narrower than 1.5 V. | |||||
書誌情報 |
Electrochimica Acta 巻 251, p. 355-362, 発行日 2017-10-10 |
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出版者 | ||||||
出版者 | Elsevier Ltd. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00134686 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.electacta.2017.08.133 | |||||
権利 | ||||||
権利情報 | c 2017 Elsevier Ltd. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Electrochimica Acta, 251, pp.355-362; 2017 |