| SERS谱峰对电极电位阶跃的不同响应速率的证据 |
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| 引用本文： | 田中群,李五湖,高劲松,毛秉伟.SERS谱峰对电极电位阶跃的不同响应速率的证据[J].物理化学学报,1993,9(6):721-723. |
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| 作者姓名： | 田中群 李五湖 高劲松 毛秉伟 |
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| 作者单位： | State Key Laboaratory for Physical Chemistry of the Solid Surface, Department of Chemistry, Xiamen University, Xiamen 361005 |
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| 摘 要： | 八十年代以来,人们除继续研究表面增强拉曼散射(SERS)效应的复杂机理和发现有关新体系外,逐渐将注意力集中在将SERS 技术应用于生物、分析和电化学研究,以获得固/液体系的界面结构和吸
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| 关 键 词： | 表面增强拉曼散射 时间分辨 硫脲 共吸附 银电极 |
| 收稿时间： | 1993-07-26 |
| 修稿时间： | 1993-09-02 |
EVIDENCE FOR DIFFERENT RESPONSING RATES OF DIFFERENT SERS BANDS OF SURFACE SPECIES ON CHANGE OF ELECTRODE POTENTIALS |
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| Tian Zhongqun Li Wuhu Gao Jingsong Mao Bingwei.EVIDENCE FOR DIFFERENT RESPONSING RATES OF DIFFERENT SERS BANDS OF SURFACE SPECIES ON CHANGE OF ELECTRODE POTENTIALS[J].Acta Physico-Chimica Sinica,1993,9(6):721-723. |
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| Authors: | Tian Zhongqun Li Wuhu Gao Jingsong Mao Bingwei |
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| Institution: | State Key Laboaratory for Physical Chemistry of the Solid Surface, Department of Chemistry, Xiamen University, Xiamen 361005 |
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| Abstract: | In-situ time resolved Raman spectroscopy has been used to study the coadsorption ofthiourea(TU)and ClO_4~- at Ag electrodes.The time resolved SERS intensities were monitoredfollowing electrode potential steps.As the electrode potential was stepped from-0.3V to-0.9V,the SERS intensities of TU were able to follow the potential change immediately.However,pro-longed time was needed for the intensities to follow the step from-0.9V to-0.3V.Significantdifference of the rate of intensity change for different SERS bands of TU was observed even in sucha potential step,which may be related to the changes in orientation of TU or its configurationwith the coadsorbed ClO_4~-. |
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| Keywords: | Surface enhanced Raman scattering Times resolved Thiourea Coadsorption Ag electrodes |
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