De Novo Design of Aminopropyl Quaternary Ammonium‐Functionalized Covalent Organic Frameworks for Enhanced Polybenzimidazole Anion Exchange Membranes
Wanting Chen,
Qiang Liu,
Bo Pang
et al.
Abstract:Quaternary ammonium functionalized covalent organic frameworks (COFs) have great potential to enhance hydroxide transport owing to crystalline ordered 1D nanochannels, however, suffer from limited quaternary ammonium functional monomers and poor membrane‐forming ability. In this work, a novel aminopropyl quaternary ammonium‐functionalized COF (DCOF) is designed and synthesized via a bottom‐up strategy. The self‐supporting DCOF membrane exhibits high crystallinity with a dense and orderly arrangement of quatern… Show more
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