Analyses of Deposition Process of Perylene Dimer Cation Radical Perchlorate and the ECL Reaction Using Nanoelectrode Ensembles
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- OYAMA Munetaka
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University
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- MASUDA Tomoki
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University
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- MITANI Masaya
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University
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- OKAZAKI Satoshi
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University
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<p>Using a two-dimensional electrogenerated chemiluminescence (ECL) observation system with a CCD detector, the dynamic transformation of the ECL images have been previously observed on the surface of the conventional disk electrode on which the microcrystals of the perylene dimer cation radical perchlorate (Pe2ClO4) were deposited. In the present work, the nanoelectrode ensembles were used for the analyses of the deposition process of Pe2ClO4 and the ECL reaction. For the deposition process of Pe2ClO4 with the nanoelectrode ensemble, it is confirmed that the oxidation of Pe occurs on the surfaces of the deposited Pe2ClO4 and causes nucleation growth of the needle-like crystals of Pe2ClO4. However, the ECL emission could not be observed using the nanoelectrode ensemble. This means that the formation of Pe•− in the diffusion layer is an essential factor for the ECL emission using the conventional disk electrode. In addition, the changes in the contrast of the needle-like Pe2ClO4 crystals at the reduction potential indicated that the reduction of Pe2ClO4 occurred. In this manner, it was found that the nanoelectrode ensembles are effective for the elucidation of the electrode reaction mechanism involving the deposition of the conducting microcrystals.</p>
収録刊行物
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- Electrochemistry
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Electrochemistry 67 (12), 1211-1213, 1999-12-05
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詳細情報 詳細情報について
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- CRID
- 1390845702323085952
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- NII論文ID
- 10004275452
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- NII書誌ID
- AN00151637
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- ISSN
- 21862451
- 13443542
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- NDL書誌ID
- 4927659
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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
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- 抄録ライセンスフラグ
- 使用可