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

页码：4732 / 4739

页数：8

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