Fig. 3: Pore engineering of COFs.
From: Covalent organic framework membranes for selective ion separation
(a) Pore geometric engineering of COFs through modulating monomer geometries and topological connectivity. Reproduced with permission from refs. 30,74,75,76. (copyright American Chemical Society, 2016, 2017 and 2019; Springer Nature, 2019). (b) Pore size engineering by designing COF linkers with different length52,68,78,79,94. (c) Pore chemical engineering by introducing different functional groups into the monomers. Reproduced with permission from refs. 68,81,82,83,84. (copyright American Chemical Society, 2016; Springer Nature, 2021).
