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| 液相电化学-核磁共振联用技术及其应用 | |
| 引用本文： | Ni ZR,Cui XH,Sun SG,Chen Z. 液相电化学-核磁共振联用技术及其应用[J]. 光谱学与光谱分析, 2011, 31(1): 1-6. DOI: 10.3964/j.issn.1000-0593(2011)01-0001-06 |
| 作者姓名： | Ni ZR Cui XH Sun SG Chen Z |
| 作者单位： | 1. 厦门大学物理系,福建省等离子与磁共振研究重点实验室,福建厦门,361005 2. 厦门大学化学系,固体表面物理化学国家重点实验室,福建厦门,361005 3. 厦门大学物理系,福建省等离子与磁共振研究重点实验室,福建厦门,361005;厦门大学化学系,固体表面物理化学国家重点实验室,福建厦门,361005 |
| 基金项目： | 国家自然科学基金国际合作项目,福建省自然科学基金项目 |
| 摘 要： | 原位电化学-核磁共振(EC-NMR)是一种具有良好应用前景的原位谱学方法,可以用于微观层次和分子水平研究电化学吸附、催化的过程和机理.作者综述了近年来发展起来的各种流动式和静态式液相EC-NMR联用技术,简要分析了电解池构造以及与EC-NMR装置联用时NMR谱线的特征.通过比较几种常用方法的优缺点,归纳了设计原位EC-... |
| 关 键 词： | 电化学 核磁共振 联用技术 原位 高分辨 |
Coupling liquid phase electrochemistry with nuclear magnetic resonance spectroscopy and its applications |
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| Ni Zu-Rong,Cui Xiao-Hong,Sun Shi-Gang,Chen Zhong. Coupling liquid phase electrochemistry with nuclear magnetic resonance spectroscopy and its applications[J]. Spectroscopy and Spectral Analysis, 2011, 31(1): 1-6. DOI: 10.3964/j.issn.1000-0593(2011)01-0001-06 | |
| Authors: | Ni Zu-Rong Cui Xiao-Hong Sun Shi-Gang Chen Zhong |
| Affiliation: | Fujian Key Lab Plasma and Magnet Resonance, Department of Physics, Xiamen University, Xiamen 361005, China. zrni@xmu.edu.cn |
| Abstract: | The combination of liquid nuclear magnetic resonance spectroscopy (NMR) and electrochemistry (EC) is a new technique with promising prospect which provides novel, exciting, and crucial insights into the processes near or on the electrode surface at a molecular or atomic level. The development of in situ EC-NMR spectroscopy with flow or static electrolysis was summarized, the structures of the electrolysis cell and the characteristics of the NMR spectra were analyzed, and the feature of the in situ EC-NMR spectroscopy in practice was described in detail. The electrolysis electrode located at radio-frequency detection area of the NMR spectrometer reduced homogeneity of the magnetic field. Furthermore, the electrolysis current results in broadened spectral lines and loss of resolution. The working electrode consisting of a thin metal film and the electrolysis current parallel to the static magnetic field can overcome such shortcomings. Besides, several high-resolution methods in inhomogeneous fields were discussed and compared, such as intramolecular multiple quantum coherences, nutation echos, intermolecular nuclear Overhauser effects, and intermolecular multiple quantum coherences. |
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