Characterization of α-hydroquinone and β-hydroquinone clathrates by THz time-domain spectroscopy

被引：18
|
作者：
Jang, Jin Seok [1 ]
Jeon, Tae-In [1 ]
Lee, Yun-Je [2 ]
Yoon, Ji-Ho [2 ]
Lee, Yongjae [3 ]
机构：
[1] Korea Maritime Univ, Div Elect & Elect Engn, Pusan 606791, South Korea
[2] Korea Maritime Univ, Dept Energy & Resources Engn, Pusan 606791, South Korea
[3] Yonsei Univ, Dept Earth Syst Sci, Seoul 120749, South Korea
来源：
CHEMICAL PHYSICS LETTERS | 2009年 / 468卷 / 1-3期
关键词：
Compendex;
D O I：
10.1016/j.cplett.2008.11.084
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We have measured the absorption spectra of alpha-hydroquinone and methane- and methanol-loaded beta-hydroquinone clathrates up to 3 THz frequency range using terahertz time-domain spectroscopy (THz-TDS). The alpha-hydroquinone exhibits 11 resonances whereas methane- and methanol-loaded beta-hydroquinone clathrates show only 1 resonance. The observed THz resonances represent the intermolecular and lattice vibrations of the hydroquinone frameworks, but seem to be insensitive to the encaged guest species. The indices of refraction are found to be ca. 1.6 for alpha-hydroquinone and methane-loaded beta-hydroquinone clathrate and 1.7 for methanol-loaded beta- hydroquinone clathrate, and the anomalous dispersions are well-defined at the resonance frequencies. (C) 2008 Elsevier B. V. All rights reserved.
引用
收藏
页码：37 / 41
页数：5
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