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Reactive Extrusion Printing of Zeolitic Imidazolate Framework Films

journal contribution
posted on 2024-11-17, 14:44 authored by Fatimah Al-Ghazzawi, Luke Conte, Michael W Potts, Christopher Richardson, Pawel Wagner
An outstanding challenge for the field of metal-organic frameworks (MOFs) is structuring to form forms with greater useability. Reactive extrusion printing (REP) is a technique for the direct formation of films from their molecular components on-demand and on-location. Here we apply REP for the first time to zeolitic imidazolate frameworks (ZIFs) and study the interplay of solvent and molarity ratio on the phase distribution between ZIF-8 and ZIF-L in reactive printed films. Our results show that REP controllably directs phase formation between ZIF-L and ZIF-8 and that REP also gives control over crystal size and that high-quality ZIF-8 films, in particular, are produced in low-dispersity interconnected nanoparticulate form. Importantly, we show that REP is responsive to established surface-functionalization techniques to control important printing parameters of line width and thickness. This work expands the repertoire of REP to the important class of ZIFs.

Funding

University of Wollongong (CE 140100012)

History

Journal title

ACS Applied Materials and Interfaces

Language

English

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