Publication date: 11th July 2022
Covalent Organic Frameworks (COFs) are porous and ordered organic materials formed by condensation reactions of organic molecules. Recently, the Schiff-base chemistry or dynamic imine-chemistry has been explored for the synthesis of new COFs. The main reason for this tendency is the higher chemical stability, porosity, and crystallinity that they show in comparison to those previously reported, e.g. boronate ester-based COFs. The most typical imine-based COF structures are bidimensional and their synthesis can produce nanolayers or flakes of different lateral dimensions. This talk will summarize the most recent progress in preparing imine-based COFs that enable their processability. We will observe that the control of the COF-nanoparticle aggregation plays a fundamental role in the material processability. I will show some recent examples of 3D-printing of imine-based COFs and imine-based COF gels' formation and their transformation into aerogels and films to form functional centimeter-long membranes. Finally, I will provide some perspectives on the potential applications of these materials.
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