Wang Lu, Huang Jingzhe, Li Zonghao, Han Zhiwu, Fan Jianhua
College of Food Science and Engineering, Jilin University, Changchun 130062, China.
Research Institute, Jilin University, Yibin 644500, China.
Polymers (Basel). 2023 Apr 20;15(8):1950. doi: 10.3390/polym15081950.
Metal-organic frameworks (MOFs) are porous crystalline materials assembled from organic ligands and metallic secondary building blocks. Their special structural composition gives them the advantages of high porosity, high specific surface area, adjustable pore size, and good stability. MOF membranes and MOF-based mixed-matrix membranes prepared from MOF crystals have ultra-high porosity, uniform pore size, excellent adsorption properties, high selectivity, and high throughput, which contribute to their being widely used in separation fields. This review summarizes the synthesis methods of MOF membranes, including in situ growth, secondary growth, and electrochemical methods. Mixed-matrix membranes composed of Zeolite Imidazolate Frameworks (ZIF), University of Oslo (UIO), and Materials of Institute Lavoisier (MIL) frameworks are introduced. In addition, the main applications of MOF membranes in lithium-sulfur battery separators, wastewater purification, seawater desalination, and gas separation are reviewed. Finally, we review the development prospects of MOF membranes for the large-scale application of MOF membranes in factories.
金属有机框架材料（MOFs）是由有机配体和金属次级结构单元组装而成的多孔晶体材料。其特殊的结构组成赋予了它们高孔隙率、高比表面积、可调孔径和良好稳定性等优势。由MOF晶体制备的MOF膜和基于MOF的混合基质膜具有超高孔隙率、均匀孔径、优异的吸附性能、高选择性和高通量，这使得它们在分离领域得到广泛应用。本文综述了MOF膜的合成方法，包括原位生长法、二次生长法和电化学方法。介绍了由沸石咪唑酯骨架（ZIF）、奥斯陆大学（UIO）和拉瓦锡研究所材料（MIL）骨架组成的混合基质膜。此外，还综述了MOF膜在锂硫电池隔膜、废水净化、海水淡化和气体分离等方面的主要应用。最后，我们展望了MOF膜在工厂大规模应用的发展前景。
