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Processable microporous membranes: emerging platforms for separation technologies
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DOI：10.1039/D5CS00543D.png)
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Abstract
En 中文
Processability has emerged as a critical requirement for translating microporous materials into scalable membrane technologies; yet many porous frameworks remain difficult to fabricate as large-area; defect-free membranes. This review adopts a processability-centred perspective to examine recent advances in purely organic microporous membranes and MOF-based membranes; highlighting how molecular design; interfacial engineering; and melt- or solution-processing enable tunable porosity; improved mechanical fragility; and scalable fabrication. It further delineates how amorphous microporous organic polymers; crystalline microporous organic frameworks; polycrystalline MOFs; MOF–polymer composites; and MOF-derived glasses differ in film-forming capabilities; structural stabilities; and manufacturing feasibility; thereby revealing fundamental trade-offs between structural precision and processability. Emerging strategies—such as in situ crystallisation; solution processability; polymer–MOF hybridisation; and melt-processable MOF glasses—offer new pathways to mitigate long-standing challenges related to defect control; mechanical robustness and limited scalability. Taken together; these advances establish design principles and processing pathways for next-generation microporous membranes; and point toward practical opportunities for industrial implementation in gas separation; solvent nanofiltration; water purification; and energy-related processes.
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