This article presents a study on the development of solvent-responsive covalent organic framework (COF) membranes, highlighting their potential for precise and tunable molecular sieving. These membranes exhibit structural flexibility triggered by polar solvents, enabling controlled interlayer shifting and pore size modulation, essential for high-selectivity applications in organic solvent nanofiltration (OSN). The COF Tp-TAPT membranes, fabricated via interfacial synthesis, demonstrate outstanding chemical stability, high crystallinity, and exceptional performance metrics—exceeding traditional polymeric membranes by two orders of magnitude in permeance. They achieve superior dye rejection and stable long-term operation in polar solvents, making them highly suitable for diverse industrial separations. This study emphasizes the universal adaptability of the fabrication method, showcasing its promise for advancing smart membranes in energy-efficient and precise molecular separation technologies.
For more details, please continue reading the full article under the following link:
https://www.science.org/doi/10.1126/sciadv.ads0260
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Technical Consultant and EU Representative of Virtual Lab Inc., the parent company of the Materials Square platform
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Email: gabriele@simulation.re.kr
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