On the Design, Synthesis, and Flexibility of Porous Zeolitic Imidazolate Frameworks (ZIFs)
Ramirez, Joseph Rodrigo
Holman, K. Travis
Zeolitic imidazolate framework (ZIFs) are a subclass of metal-organic frameworks (MOFs) that are widely studied due to their high chemical and thermal stability as well as their high porosity. These three-dimensional, crystalline materials are comprised of divalent, tetrahedral metal ions that are linked together using an imidazole (or substituted imidazole) ligand. They adopt network topologies analogous to those of the technologically important class of microporous materials called zeolites. The formation of ZIFs adopting novel architectures, or networks, is predicated upon the choice of metal, ligand(s), solvent(s), additives, etc. An infinite number of frameworks are theoretically possible. In this dissertation, multiple routes are explored to synthesize ZIFs, some of which are reported for the first time. The properties of these ZIFs are also studied, particularly in the context of porosity and flexibility.
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