Characterization of interfacial water in MOF-5 (Zn4(O)(BDC)3) -: a combined spectroscopic and theoretical study

被引：92
|
作者：
Schroeck, K. [1 ]
Schroeder, F. [1 ]
Heyden, M. [1 ]
Fischer, R. A. [1 ]
Havenith, M. [1 ]
机构：
[1] Ruhr Univ Bochum, Inst Phys Chem 2, D-44780 Bochum, Germany
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2008年 / 10卷 / 32期
关键词：
D O I：
10.1039/b807458p
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：
In this article we report the detection and characterization of adsorbed interfacial water within the cages of the metal-organic framework MOF-5 (Zn4O(BDC)(3)) by terahertz time-domain spectroscopy (THz TDS) in the frequency range from 5 to 46 cm(-1). The experimental spectra suggest a coupling of the intermolecular motions of the water molecules adsorbed to the collective vibrations of the network at 4 wt% hydration. This finding is supported by the results of MD simulations. When increasing the water content to 8 wt% we observed a non reversible decomposition of MOF-5.
引用
收藏
页码：4732 / 4739
页数：8
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