| Electrochemistry of Hydroquinone Derivatives at Metal and Iodine-modified Metal Electrodes |
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| 作者姓名： | HOU Peng HAN Dong-xue NIU Li LIN Hai-bo |
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| 作者单位： | HOU Peng~ 1，HAN Dong-xue~ 1，NIU Li~ 1 and LIN Hai-bo~ 2 1. State Key Laboratory of Electroanalytical Chemistry，Changchun Institute of Applied Chemistry，Chinese Academy of Sciences，Changchun 130022，P. R. China; Graduate School of the Chinese Academy of Sciences，Beijing 100039，P. R. China; 2. College of Chemistry，Jilin University，Changchun 130021，P. R. China |
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| 基金项目： | 中国科学院资助项目，吉林省科技厅资助项目 |
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| 摘 要： | IntroductionPlatinumand gold surfaces can adsorb a wide vari-ety of ions, atoms and molecular functional groups,which is often accompanied by oxidation-reduction ordissociation of them. Numerous previous works havemade great progress in studying the surfa…
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| 关 键 词： | 对苯二酚衍生物 碘改性 金属电极 电化学 |
| 文章编号： | 1005-9040（2006）-04-493-07 |
| 收稿时间： | 2005-07-28 |
Electrochemistry of Hydroquinone Derivatives at Metal and Iodine-modified Metal Electrodes |
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| HOU Peng HAN Dong-xue NIU Li LIN Hai-bo.Electrochemistry of Hydroquinone Derivatives at Metal and Iodine-modified Metal Electrodes[J].Chemical Research in Chinese University,2006,22(4):493-499. |
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| Authors: | Peng HOU Dong-xue HAN Li NIU Hai-bo LIN |
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| Institution: | aState Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China; Graduate School of the Chinese Academy of Sciences, Beijing 100039, P. R. China;bCollege of Chemistry, Jilin University, Changchun 130021, P. R. China |
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| Abstract: | The difference in the electrochemical behavior of hydroquinone and pyrocatechol at platinum and gold surfaces was analyzed using voltammetry and attenuated total reflection Fourier transform infrared spectroscopy. The results show that the hydroquinone derivatives are adsorbed on a gold surface with vertical orientation, which makes the electron transfer between the bulk species and the electrode surface easier than that in the case of flat adsorption of hydroquinone derivatives that occurs at a platinum electrode. The formation of the vertical conformation and the rapid process of electron transfer were also confirmed by quantum chemistry calculations. In addition, the pre-adsorbed iodine on the electrodes played a key role on the adsorbed configuration and electron transfer of redox species. |
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| Keywords: | Hydroquinone derivatives Iodine-modified Electrochemistry |
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