Fig. 1: Design of the synthetic methodology for thiazole-linked COF membranes. | Nature Communications

Fig. 1: Design of the synthetic methodology for thiazole-linked COF membranes.

From: Thiazole-conjugated covalent organic framework membranes enable ultraselective molecular desalination under strongly acidic conditions

Fig. 1: Design of the synthetic methodology for thiazole-linked COF membranes.

a, b Schematic illustration of a heteroatom burial in imine-linked COFs and b exposure of heteroatoms in thiazole-linked COFs. c, d Schematic diagram of the enhanced c separation performance and d acid stability in thiazole-linked COF membranes conferred by the fully π-conjugated structure and heteroatom exposure. e Synthetic routes and chemical structures of thiazole-linked TbBa-azo membrane and imine-linked TbPa membrane. For schematic atoms in (a–c): N (blue) and S (yellow). For ball-and-stick model colors in (c–e): C (grey), S (yellow), N (blue), and H (white).

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