Experimental evidence of negative linear compressibility in the MIL-53 metal–organic framework family

We report a series of powder X-ray diffraction experiments performed on the soft porous crystals MIL-53(Al) and NH2-MIL-53(Al) in a diamond anvil cell under different pressurization media. Systematic refinements of the obtained powder patterns demonstrate that these materials expand along a specific direction while undergoing total volume...

Engineering of Metal Organic Framework Catalysts

The last few decades have witnessed the unprecedented explosion of a new research field built around Metal-Organic Frameworks (MOFs). MOFs are crystalline porous solids consisting of metal ions (also named clusters) coordinated to often rigid organic molecules (also called ligands) to form one- two-, or three- dimensional structures. This...

Towards acid MOFs – catalytic performance of sulfonic acid functionalized architectures

In this work, the inclusion of free sulfonic acid groups in highly stable MOFs is explored. The synthesized catalysts have been applied in a model esterification reaction. Two metal organic frameworks bearing sulfonic acid moieties are investigated: HSO3-MIL-101(Cr) synthesized following different approaches and a new structure based on HSO3-bdc...