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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Low-frequency spectra of metallocenium ionic liquids studied by terahertz time-domain spectroscopy
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Low-frequency spectra of metallocenium ionic liquids studied by terahertz time-domain spectroscopy

机译：太赫兹时域光谱研究金属茂离子液体的低频光谱

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摘要

Terahertz (THz) time-domain spectroscopic measurements have been done on five novel metallocenium ionic liquids based on the electro-optic sampling method. The study covered the spectral range from 10 to 85 cm-1. The complex dielectric spectra were broad and dispersive in nature, and the imaginary part of the dielectric constant consisting of part of the dielectric constant was simulated with different combinations of model functions to unravel the intermolecular dynamics. We compared our results with the previous results on the other ionic liquid. It was revealed that the librational motion of the cations as well as the interion vibration between the cations and the anions are responsible for observed dynamics in THz region. No intramolecular vibrational mode has been found in the low-frequency region.
机译：太赫兹（THz）时域光谱测量是基于电光采样方法对五种新型金属茂离子液体进行的。研究覆盖了从10到85 cm-1的光谱范围。复数介电谱本质上是宽泛且分散的，并且使用模型函数的不同组合来模拟由介电常数的一部分组成的介电常数的虚部，以阐明分子间动力学。我们将我们的结果与其他离子液体上的先前结果进行了比较。结果表明，阳离子的自由运动以及阳离子与阴离子之间的离子间振动是造成太赫兹区域动态变化的原因。在低频区域未发现分子内振动模式。

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