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Potential-dependent morphological change of n-hexadecane small droplets on a Au(1 1 1) electrode in aqueous solution: A voltammetric and electrochemical fluorescence microscopic study
http://hdl.handle.net/10069/37332
http://hdl.handle.net/10069/37332c4a0314e-0903-42d4-bf3b-7be65a4995b9
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Suppl.pdf (301.9 kB)
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JEC779_25.pdf (2.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-10-16 | |||||
タイトル | ||||||
タイトル | Potential-dependent morphological change of n-hexadecane small droplets on a Au(1 1 1) electrode in aqueous solution: A voltammetric and electrochemical fluorescence microscopic study | |||||
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 | Electrochemical fluorescence microscopy | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Potential-driven dynamics | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Spreading | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Surface tension | |||||
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× Murakawa, Shoma× Konomi, Azusa× Goto, Daisaku× Sagara, Takamasa |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A mesoscopic view of active droplets of an alkane on a Au(1 1 1) electrode was described using the results of voltammetric and in situ electrochemical fluorescence imaging measurements. In situ fluorescence imaging studies revealed that the morphology of an adlayer of liquid n-hexadecane (HD) on a Au(1 1 1) electrode surface is reversibly driven by potential, forming micro-droplets with greater height of the droplet's top at more negative potentials. Spreading of HD to be a continuous liquid film never took place even around pzc and even with the amounts of HD ranging from 10 to 10,000 monolayer equivalent. The droplets at negative potentials were smaller than 50 μm in diameter. The total Au electrode area occupied by HD was small even at positive potentials so that quasi-reversible redox reaction of ferri/ferro-cyanide in the solution phase was still observed. The change of the droplet height by the reshaping with the electrode potential was repeatable, and the change took place beyond the double layer thickness region. | |||||
書誌情報 |
Journal of Electroanalytical Chemistry 巻 779, p. 25-33, 発行日 2016-10-15 |
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出版者 | ||||||
出版者 | Elsevier B.V. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 15726657 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.jelechem.2016.05.040 | |||||
権利 | ||||||
権利情報 | c 2016 Elsevier B.V. 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 | Journal of Electroanalytical Chemistry, 779, pp.25-33; 2016 |