Low frequency, collective solvent dynamics probed with time-resolved THz spectroscopy

被引：0
|
作者：
Beard, MC [1 ]
Turner, GM [1 ]
Schmuttenmaer, CA [1 ]
机构：
[1] Yale Univ, Dept Chem, New Haven, CT 06520 USA
来源：
LIQUID DYNAMICS: EXPERIMENT, SIMULATION, AND THEORY | 2002年 / 820卷
关键词：
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The time evolution of the change in the low-frequency response function for a solvent (i.e., frequency-dependent absorption coefficient and index of refraction) following photoexcitation is experimentally determined for the first time. Unlike typical time resolved laser studies, the spectrum of the low frequency collective solvent modes are monitored rather than properites of the solute. We have investigated the dynamics of chloroform in response to photoexcitation of TBNC dye dissolved therein. We present frequency domain representations of this evolution with roughly 200 fs temporal resolution.
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页码：44 / 57
页数：14
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