| 硫脲及其衍生物的SERS和量子化学研究 |
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| 引用本文： | 余家康,董俊华,曹楚南,林海潮.硫脲及其衍生物的SERS和量子化学研究[J].物理化学学报,1996,12(9):856-860. |
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| 作者姓名： | 余家康 董俊华 曹楚南 林海潮 |
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| 作者单位： | The State Key Laboratory of Corrosion and Protection of Metals,Institute of Corrosion and Protection of Metals,Shenyang 110015 |
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| 基金项目： | 国家自然科学基金，中国科学院金属腐蚀与防护研究所所长基金 |
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| 摘 要： |
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| 关 键 词： | 表面增强拉曼光谱(SERS) 量子化学 硫脲 缓蚀剂 |
| 收稿时间： | 1996-02-17 |
| 修稿时间： | 1996-05-28 |
SERS and Quantum Chemistry Studies of Adsorption of Thiourea and Ethylthiourea on Silver Electrode |
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| Yu Jia-Kang,Dong Jun-Hua,Cao Chu-Nan,Lin Hai-Chao.SERS and Quantum Chemistry Studies of Adsorption of Thiourea and Ethylthiourea on Silver Electrode[J].Acta Physico-Chimica Sinica,1996,12(9):856-860. |
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| Authors: | Yu Jia-Kang Dong Jun-Hua Cao Chu-Nan Lin Hai-Chao |
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| Institution: | The State Key Laboratory of Corrosion and Protection of Metals,Institute of Corrosion and Protection of Metals,Shenyang 110015 |
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| Abstract: | Adsorption of thiourea (TU) and ethylthiourea(ETU) on roughened silver electrode was investigated using in- situ surface enhanced Raman spectroscopy(SERS). Using quantum chemistry and HSAB theories, the influences of electrode potential and the different substituent groups on SERS were discussed. TU is chemisorbed perpendicularly by Ag-S bond on silver at E=-0.3 V and adsorption of TU turns into a parallel orientation at E=-0.9 V. ETU is always chemisorbed at an angle from Ag. The adsorption of ETU is through C=C and C=O groups at E=-0.3 V, and mainly through C=C at E=-0.9V. |
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| Keywords: | Surface enhanced Raman spectroscopy Adsorption Quantum chemistry Thiourea Inhibitor |
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