fig3
Figure 3. The principle to design and synthesize large cages in MTV-ZIFs. (A) Schematic diagram of linkers induced pore changes; (B) Linker-depended opening ring; (C) MTV towards extra-large cages. Take ZIF-412 as an example. N, blue; C, dark; O, red; and ZnN4 units, light blue tetrahedra. H atoms are omitted for clarity. MTV: Multivariate; ZIFs: zeolitic imidazolate frameworks.
