Exploration of the mechanical behavior of metal organic frameworks UiO-66(Zr) and MIL-125(Ti) and their NH2 functionalized versions

Pascal. G. Yot; Ke Yang; Florence Ragon; Vladimir Dmitriev; Thomas Devic; Patricia Horcajada; Christian Serre; Guillaume Maurin

doi:10.1039/C5DT03621F

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Exploration of the mechanical behavior of metal organic frameworks UiO-66(Zr) and MIL-125(Ti) and their NH₂ functionalized versions†

Pascal. G. Yot,*^a Ke Yang,^a Florence Ragon,^b Vladimir Dmitriev,^c Thomas Devic,^b Patricia Horcajada,^b Christian Serre^b and Guillaume Maurin^a

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* Corresponding authors

^a Institut Charles Gerhardt Montpellier UMR 5253 CNRS UM ENSCM, Université de Montpellier, CC 15005, Place Eugène Bataillon, F-34095 Montpellier cedex 05, France
E-mail: pascal.yot@umontpellier.fr
Fax: +33 4 67 14 4290
Tel: +33 4 67 14 3294

^b Institut Lavoisier Versailles, Université de Versailles St-Quentin, 45, avenue des Etats-Unis, F-78035 Versailles cedex, France

^c Swiss Norvegian Beamlines, European Synchrotron Radiation Facility, 3800 Grenoble, France

Abstract

The structural behaviour under mechanical stimuli of two metal organic frameworks, UiO-66(Zr) and MIL-125(Ti) and their amino-functionalized derivatives has been investigated by high-pressure powder X-ray diffraction up to 3.5 GPa. All these solids showed a gradual pressure-induced reversible decrease of their crystallinity and UiO-66(Zr)_NH₂ material has been revealed as one of the most resilient MOFs reported so far corresponding to a very high bulk modulus. The mechanical behaviors of these MOFs have been correlated to their chemical and geometric features including the metal–oxygen coordination number, the nature of the organic linker, the porosity as well as their crystal density.

This article is part of the themed collection: Flexibility and Disorder in Metal-Organic Frameworks

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DOI: https://doi.org/10.1039/C5DT03621F
Article type: Paper
Submitted: 15 sep 2015
Accepted: 07 nov 2015
First published: 09 nov 2015

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Dalton Trans., 2016,45, 4283-4288

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Exploration of the mechanical behavior of metal organic frameworks UiO-66(Zr) and MIL-125(Ti) and their NH₂ functionalized versions

Pascal. G. Yot, K. Yang, F. Ragon, V. Dmitriev, T. Devic, P. Horcajada, C. Serre and G. Maurin, Dalton Trans., 2016, 45, 4283 DOI: 10.1039/C5DT03621F

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Dalton Transactions