Adsorption Behavior of Pyridinecarboxylic Acids in Acidic Solution on a Polycrystalline Gold Electrode Surface Studied by Infrared Reflection Absorption Spectroscopy
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- NANBU Noritoshi
- Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
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- KITAMURA Fusao
- Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
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- OHSAKA Takeo
- Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
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- TOKUDA Koichi
- Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
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<p>Adsorption behavior of three isomeric pyridinecarboxylic acids (picolinic acid: 2-PCA, nicotinic acid: 3-PCA, and isonicotinic acid: 4-PCA) in 0.1 M (M = mol dm−3) HClO4 solution on a smooth polycrystalline gold electrode surface was investigated by in situ infrared reflection absorption spectroscopy (IRAS). As the electrode potential became more positive, adsorbed 3- and 4-PCAs were found to reorient from a flat configuration to a vertical one that binds to the surface through lone pairs of electrons on two oxygen atoms of the carboxylate group. However, no significant adsorption of 2-PCA occurred on the electrode surface, and this finding indicates the ortho effect on adsorption.</p>
収録刊行物
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- Electrochemistry
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Electrochemistry 67 (12), 1165-1167, 1999-12-05
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詳細情報
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- CRID
- 1390001277392949632
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- NII論文ID
- 10004275231
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- NII書誌ID
- AN00151637
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- ISSN
- 21862451
- 13443542
- http://id.crossref.org/issn/13443542
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- NDL書誌ID
- 4927497
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用可