用于吸附的离子液体功能化 MOF,Chemical Reviews

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用于吸附的离子液体功能化 MOF
Chemical Reviews ( IF 51.4 ) Pub Date : 2023-07-14 , DOI: 10.1021/acs.chemrev.3c00248
Xueqin Li ₁ , Kai Chen ₁ , Ruili Guo ₁ , Zhong Wei ₁

Affiliation

金属有机框架（MOF）和离子液体（IL）是有前景的吸附分离材料。已开发出掺入 MOF 材料的离子液体（称为 IL/MOF 复合材料），IL/MOF 复合材料结合了 MOF 和 IL 的优点，可在基于吸附的流体混合物分离中实现增强的性能。将设计的不同IL引入到各种MOF中以调整其功能特性，从而影响最佳的吸附分离性能。在这篇文章中，提出了 IL/MOF 复合材料的合理制造，并论证了它们的功能特性。本文对一种被称为 IL/MOF 复合材料的新兴材料进行了重要概述，以及 IL/MOF 复合材料作为流体分离中的吸附剂或膜应用的最新进展。此外，IL/MOF在吸附气体分离（烟气中CO 2 捕集、天然气净化、乙炔和乙烯分离、室内污染物去除）和液体分离（生物活性成分分离、有机污染物去除、吸附脱硫）中_的应用，放射性核素去除）进行了讨论。最后，强调了IL/MOF现有的挑战，并提出了有效探索新型IL/MOF吸附材料的适当设计策略方向。

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Ionic Liquids Functionalized MOFs for Adsorption

Metal–organic frameworks (MOFs) and ionic liquids (ILs) represent promising materials for adsorption separation. ILs incorporated into MOF materials (denoted as IL/MOF composites) have been developed, and IL/MOF composites combine the advantages of MOFs and ILs to achieve enhanced performance in the adsorption-based separation of fluid mixtures. The designed different ILs are introduced into the various MOFs to tailor their functional properties, which affect the optimal adsorptive separation performance. In this Perspective, the rational fabrication of IL/MOF composites is presented, and their functional properties are demonstrated. This paper provides a critical overview of an emergent class of materials termed IL/MOF composites as well as the recent advances in the applications of IL/MOF composites as adsorbents or membranes in fluid separation. Furthermore, the applications of IL/MOF in adsorptive gas separations (CO₂ capture from flue gas, natural gas purification, separation of acetylene and ethylene, indoor pollutants removal) and liquid separations (separation of bioactive components, organic-contaminant removal, adsorptive desulfurization, radionuclide removal) are discussed. Finally, the existing challenges of IL/MOF are highlighted, and an appropriate design strategy direction for the effective exploration of new IL/MOF adsorptive materials is proposed.

更新日期：2023-07-14

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