Impact of the metal centre and functionalization on the mechanical behaviour of MIL-53 metal–organic frameworks

Pascal G. Yot, Ke Yang, Vincent Guillerm, Florence Ragon, Vladimir Dmitriev, Paraskevas Parisiades, Erik Elkaïm, Thomas Devic, Patricia Horcajada, Christian Serre, Norbert Stock, John P. S. Mowat, Paul A. Wright, Gérard Férey, Guillaume Maurin

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Abstract

An extended series of MIL-53(M)_X metal–organic frameworks (MIL = Materials of Institute Lavoisier; M = Al, Cr, Fe, Sc; X = Cl, CH3, NO2) have been systematically investiaged to explore the impact of the nature of both the metal centre and the functions grafted on to the organic linker on the mechanical behaviour of this family of highly flexible hybrid porous frameworks under the application of an external pressure of up to 3 GPa. The high-pressure X-ray diffraction measurements allowed the characterization of the pressure-induced phase transitions of the hydrated structures, the associated volume changes/pressure transitions, and their mechanical resilience through the determination of their bulk moduli.
Original languageEnglish
Pages (from-to)4424–4429
Number of pages6
JournalEuropean Journal of Inorganic Chemistry
Volume2016
Issue number27
Early online date4 Jul 2016
DOIs
Publication statusPublished - 27 Sept 2016

Keywords

  • Metal–organic frameworks
  • Mechanical properties
  • X-ray diffraction
  • Phase transitions
  • Substituent effects

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