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アミノ基を末端に有するチオール単分子膜電極を用いたインジゴイオンの酸化還元挙動
http://hdl.handle.net/2297/36483
http://hdl.handle.net/2297/36483355b4ad1-d732-455c-8c40-30c56970e5c6
名前 / ファイル | ライセンス | アクション |
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TE-PR-YAMAGUCHI-T-59.pdf (197.0 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | アミノ基を末端に有するチオール単分子膜電極を用いたインジゴイオンの酸化還元挙動 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Voltammetric and Impedance Study of Interaction of Indigo Ion with Thiol Monolayers having Terminal Amino Groups Modified Gold Electrode | |||||
言語 | ||||||
言語 | jpn | |||||
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 |
山口, 孝浩
× 山口, 孝浩× 遠藤, 佑太× 小村, 照寿× 高橋, 光信 |
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書誌情報 |
Electrochemistry = 電気化学および工業物理化学 巻 74, 号 1, p. 59-64, 発行日 2006-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1344-3542 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00151637 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.5796/electrochemistry.74.59 | |||||
出版者 | ||||||
出版者 | 電気化学会 = The Electrochemical Society of Japan (ECSJ) | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The influences of thiol monolayers having terminal amino groups on the electron transfer rate for indigotetrasulfonate have been examined by cyclic voltammetry and ac impedance spectroscopy. The electron transfer rate for indigotetrasulfonate decrease with increasing pH at a bare Au electrode. The adsorption of indigotetrasulfonate ion onto 4-aminothiophenol monolayer, at low pH values, resulted primarily from an electrostatic attraction between the protonated terminal amino groups and the anions. An increase in solution pH, however, 4-aminothiophenol, cystamine, and 4-mercaptopyridine monolayer-modified electrode showed a increase in electrochemical reversibility with deprotonation of the terminal amino groups. Whereas 11-amino-1-undecanethiol, which is longchain thiol having terminal amino groups impedes the electrode reaction of [Co (phen)3]3+, this monolayer raised the apparent rate constant for indigotetrasulfonate to twice that observed at a bare Au in pH 6. Furthermore, in the presence of ethylenediamine or triethylenetetramine at pH 8, indigotetrasulfonate was obtained the reversible wave using at a bare Au. We propose a chemical interaction between the amine groups of the thiol monolayer and the carbonyl groups of indigotetrasulfonate. We postulate that protons transfer from the reduced indigo ion to the unprotonated terminal amino groups of thiols. | |||||
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 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.jstage.jst.go.jp/browse/electrochemistry | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.electrochem.jp/ |