Fig. 1: Design and synthesis of IQO-COFs.

a Synthetic mechanism of isoquinolone. b Synthesis of IQO-COFs via self-locking strategy. c Structural advantages of IQO–COFs over amide-linked counterparts. o-DCB, 1,2-dichlorobenzene.

a Synthetic mechanism of isoquinolone. b Synthesis of IQO-COFs via self-locking strategy. c Structural advantages of IQO–COFs over amide-linked counterparts. o-DCB, 1,2-dichlorobenzene.