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Issue 64, 2014
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Are Zr6-based MOFs water stable? Linker hydrolysis vs. capillary-force-driven channel collapse

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Abstract

Metal–organic frameworks (MOFs) built up from Zr6-based nodes and multi-topic carboxylate linkers have attracted attention due to their favourable thermal and chemical stability. However, the hydrolytic stability of some of these Zr6-based MOFs has recently been questioned. Herein we demonstrate that two Zr6-based frameworks, namely UiO-67 and NU-1000, are stable towards linker hydrolysis in H2O, but collapse during activation from H2O. Importantly, this framework collapse can be overcome by utilizing solvent-exchange to solvents exhibiting lower capillary forces such as acetone.

Graphical abstract: Are Zr6-based MOFs water stable? Linker hydrolysis vs. capillary-force-driven channel collapse

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Article information


Submitted
01 Apr 2014
Accepted
20 Jun 2014
First published
30 Jun 2014

Chem. Commun., 2014,50, 8944-8946
Article type
Communication

Are Zr6-based MOFs water stable? Linker hydrolysis vs. capillary-force-driven channel collapse

J. E. Mondloch, M. J. Katz, N. Planas, D. Semrouni, L. Gagliardi, J. T. Hupp and O. K. Farha, Chem. Commun., 2014, 50, 8944
DOI: 10.1039/C4CC02401J

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