多孔液体(PLs)是一种兼具多孔固体材料与流动液体材料两者优点的新型材料,自2007年PLs的概念首次被提出以来,已经受到了广泛关注。目前,基于不同多孔客体(如多孔有机笼、金属有机多面体、共价有机框架、多孔碳、沸石、空心硅、金属有机框架等)的PLs陆续被报道,作为多孔客体,其中金属有机框架(MOFs)由于其比表面积大、可调的孔隙结构、良好的热稳定性及化学稳定性等优点,成为制备PLs优异的先进多孔客体,但目前鲜有基于MOFs的PLs的专门综述。以UiO-66、ZIF基PLs为代表归纳了MOFs基PLs的合成进展,并总结了其在气体吸附分离领域的应用,最后,对MOFs基PLs的未来发展进行了展望。
Porous liquids (PLs) are a new type of material that combines the advantages of both porous solid materials and flowing liquid materials,and have received widespread attention since the concept of PLs was first proposed in 2007.At present,porous liquids based on various porous solid materials such as porous organic cages,metal-organic polyhedra,covalent organic frameworks,porous carbon,zeolite,hollow silicon,metal organic frameworks (MOFs) have been reported,among which MOFs materials have become advanced porous solid materials for the preparation of PLs due to their large specific surface area,adjustable pore structure,good thermal stability and chemical stability.However,there are few special reviews of PLs based on MOFs.In this paper,the synthesis progress of MOFs-based PLs was reviewed,with UiO-66 and ZIF-based PLs as representative examples,and then their applications in the fields of gas adsorption and separation were summarized.Finally,the future development prospects of MOFs-based PLs were discussed.
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基金资助
国家自然科学基金(41772166);陕西省重点研发计划(2017ZDCXL-GY-10-01-02和2018GY-076);自然资源部煤炭资源勘查与综合利用重点实验室重大专项(SMDZ-2019ZD-2);国土资源部煤炭资源勘查与综合利用重点实验室自主课题项目(ZP2019-1);陕西省自然科学基础研究计划青年项目(2023-JC-QN-0146)
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