MOF基气体分离膜的缺陷工程,Advanced Functional Materials

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MOF基气体分离膜的缺陷工程
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2023-05-26 , DOI: 10.1002/adfm.202303447
Shuo Li ₁ , Weiyao Han ₁ , Quan‐Fu An ₁ , Ken‐Tye Yong _{2,

3,

4} , Ming‐Jie Yin ₁

Affiliation

金属有机框架（MOF）是高度通用的材料，由于其均匀狭窄的孔窗和几乎无限的结构和化学特性，已被认为是基于膜的气体分离应用的有前途的候选材料。MOF 的缺陷工程为操纵 MOF 结构开辟了新的机会，为增强膜分离提供了一种简单而有效的方法。然而，利用这种策略来定制膜微观结构和增强分离性能仍处于起步阶段。因此，本总结旨在为定制有缺陷的 MOF 膜提供指导。将讨论MOF基膜缺陷工程的最新进展，包括缺陷MOF的合成策略、缺陷对气体吸附性能的影响、气体传输机制，以及最近报道的有缺陷的 MOF 膜。此外，还将概述新出现的挑战和未来前景。总体而言，缺陷工程为提高 MOF 气膜的性能提供了令人兴奋的机会。然而，要充分了解缺陷对 MOF 性能的影响并针对特定气体分离应用优化 MOF 基膜的设计，还有很长的路要走。尽管如此，该领域的持续研究为下一代膜基气体分离技术的开发带来了巨大的希望。缺陷工程为提高 MOF 气膜的性能提供了令人兴奋的机会。然而，要充分了解缺陷对 MOF 性能的影响并针对特定气体分离应用优化 MOF 基膜的设计，还有很长的路要走。尽管如此，该领域的持续研究为下一代膜基气体分离技术的开发带来了巨大的希望。缺陷工程为提高 MOF 气膜的性能提供了令人兴奋的机会。然而，要充分了解缺陷对 MOF 性能的影响并针对特定气体分离应用优化 MOF 基膜的设计，还有很长的路要走。尽管如此，该领域的持续研究为下一代膜基气体分离技术的开发带来了巨大的希望。

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Defect Engineering of MOF-Based Membrane for Gas Separation

Metal–organic frameworks (MOFs) are highly versatile materials that have been identified as promising candidates for membrane-based gas separation applications due to their uniformly narrow pore windows and virtually unlimited structural and chemical features. Defect engineering of MOFs has opened new opportunities for manipulating MOF structures, providing a simple yet efficient approach for enhancing membrane separation. However, the utilization of this strategy to tailor membrane microstructures and enhance separation performance is still in its infancy. Thus, this summary aims to provide a guideline for tailoring defective MOF-based membranes. Recent developments in defect engineering of MOF-based membranes will be discussed, including the synthesis strategies for defective MOFs, the effects of defects on the gas adsorption properties, gas transport mechanisms, and recently reported defective MOF-based membranes. Furthermore, the emerging challenges and future prospects will be outlined. Overall, defect engineering offers an exciting opportunity to improve the performance of MOF-based gas membranes. However, there is still a long way to go to fully understand the influence of defects on MOF properties and optimize the design of MOF-based membranes for specific gas separation applications. Nonetheless, continued research in this field holds great promise for the development of next-generation membrane-based gas separation technologies.

更新日期：2023-05-26

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