Self-Aggregation Control of Porphyrin for Enhanced Selective Covalent Organic Network Membranes.

ABSTRACT: Covalent organic networks (CONs) are considered ideal for precise molecular separation compared with traditional polymer membranes because their pores have a sharp molecular weight cut-off and a robust structure. However, challenges remain with regard to tuning pores as a prerequisite for facile membrane fabrication to a defect-free layer. Herein, a highly conjugated amino-porphyrin is used and exploited its tunable stacking behavior to fabricate porphyrin-based polyamide CONs with ordered structures through interfacial polymerization with acyl chlorides. Controlling the self-aggregation behavior of the porphyrin and the conformation of the acyl chlorides can create different covalent networks. Acid-triggered porphyrin protonation offsets stacking to reduce the pore in the network from mes

SUBMITTER: Wang Z 

PROVIDER: S-EPMC11962695 | biostudies-literature | 2025 Apr

REPOSITORIES: biostudies-literature