Zirconium MOF buckles under dynamite pressure

Scientists in the US have found that a metal–organic framework (MOF) known for its robustness takes in the same amount of energy as a TNT blast releases when it breaks.

Shock-absorber MOF

Source: Royal Society of Chemistry After compression, the effective number of Zr–carboxylate oxygen bonds (shown in yellow) for each Zr(IV) ion decreased from 4 to ≈2

MOF materials are porous framework solids whose typical applications include gas storage, separation and catalysis. Scientists have studied the zirconium-based MOF, UiO-66, in more detail than most. It’s easily synthesised, has a well-known structure and is strong. Unlike some other MOFs, it doesn’t react with water, and on removing its residual solvent, the framework remains intact with true, empty voids.

Read the full story by Emma Stephen on Chemistry World.

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