Underlying mechanism of the hydrothermal instability of Cu

2016年第10卷第1期

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《化学科学与工程前沿（英文）》 >> 2016年第10卷第1期 doi: 10.1007/s11705-015-1552-0

Underlying mechanism of the hydrothermal instability of Cu

School of Chemical Engineering and Analytical Science, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK

录用日期： 2016-01-15 发布日期： 2016-02-29

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摘要

Water induced decomposition of Cu (BTC) (BTC= benzene-1,3,5-tricarboxylate) metal-organic framework (MOF) was studied using dynamic water vapour adsorption. Small-angle X-ray scattering, Fourier transform infrared spectroscopy and differential scanning calorimetry analyses revealed that the underlying mechanism of Cu (BTC) MOF decomposition under humid streams is the interpenetration of water molecules into Cu-BTC coordination to displace organic linkers (BTC) from Cu centres.

关键词

hydrothermal stability ; metal-organic framework (MOF) ; open metal sites (OMSs) ; dynamic water vapour adsorption