Thermal amorphization of zeolitic imidazolate frameworks
T D Bennett, D A Keen, J-C Tan, E R Barney, A L Goodwin and A K Cheetham
Angew Chem Int Ed 50, 3067–3071 (2011)

A stable, recoverable, amorphous phase (see topology model) was produced by heating each of four different zeolitic imidazolate frameworks ZIF-1, -3, -4, and Co-ZIF-4. By comparing nanoindentation results, density measurements, and X-ray total scattering results, it is concluded that the structure of the amorphous phase is equivalent in each case. Amorphization was only observed in ZIFs encompassing unsubstituted imidazolate ligands.

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