Table 1 COFs with different skeletons constructed via various organic reactions
From: Covalent organic framework membranes for selective ion separation
Non-conjugated skeleton | Partially conjugated skeleton | Fully conjugated skeleton |
|---|---|---|
Boroxine linkage | Imine linkage | β-ketoenamine linkage |
Boronate ester linkage | Azine linkage | Phenazine linkage |
Imide linkage | Hydrazone linkage | C = C linkage |
Amide linkage | Triazine linkage | Â |
Dioxin linkage | Benzoxazole linkage | Â |
Borazine linkage | Squaraine linkage | Â |
Spiroborate linkage | Azodioxy linkage | Â |
Borosilicate linkage | Viologen linkage | Â |
