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Formation of viologen radical cation condensed phase through two-dimensional molecular organization process on an HOPG electrode surface in binary viologen solutions
http://hdl.handle.net/10069/16882
http://hdl.handle.net/10069/168825e913741-efb1-4c93-a87f-51d6dfedf789
名前 / ファイル | ライセンス | アクション |
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JEC619_65.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 | 2008-05-09 | |||||
タイトル | ||||||
タイトル | Formation of viologen radical cation condensed phase through two-dimensional molecular organization process on an HOPG electrode surface in binary viologen solutions | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Phase transition | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | HOPG electrode | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Di-alkyl viologen | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Bis-carboxylated viologen | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Binary mixture | |||||
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 |
Tanaka, Yasuhiko
× Tanaka, Yasuhiko× Sagara, Takamasa |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Viologens possessing long alkyl chains are condensed to monolayers of their radical cations upon one-electron reduction on a basal plane of a highly-oriented pyrolytic graphite (HOPG) electrode in contact with not only one-component viologen aqueous solutions but also binary mixtures. For three types of binary mixtures of viologen including ten different combinations, the condensed phase formation processes were described using the results of voltammetric measurements. First, in the case of the binary mixture of symmetric di-alkyl viologens (dA) with different chain lengths,two-dimensional (2D) phase separation into two domains took place in the course of cathodic potential scan in a certain range of the solution molar fraction when the chain length difference is two methylene units or more. Second, in the case of the mixture of a dA and its both-end carboxylated derivative (bis-carboxylated viologen: bC), either pure bC condensed phase or dA + bC well-mixed phase covered the entire surface area.Third, in the case of the mixture of dA and bC with far different chain lengths, the molar fraction dependent condensation processes took place while bC always dominates the phase formation behavior. The implications of these results were discussed as typical 2D molecular nano-organization processes in the terms of homo- and hetero-intermolecular interactions on the HOPG surface. | |||||
書誌情報 |
Journal of Electroanalytical Chemistry 巻 619-620, p. 65-74, 発行日 2008-07-15 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00220728 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11531977 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.jelechem.2008.03.010 | |||||
権利 | ||||||
権利情報 | Copyright (c) 2008 Elsevier B.V. All rights reserved. | |||||
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, 619-620, pp.65-74; 2008 |