Water-stable metal-organic frameworks (MOFs): rational construction and carbon dioxide capture

Metal-organic frameworks (MOFs) are considered to be a promising porous material due to their excellent porosity and chemical tailorability. However, due to the relatively weak strength of coordination bonds, the stability ( e.g. , water stability) of MOFs is usually poor, which severely inhibits th...

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Bibliographic Details
Published in:Chemical science (Cambridge) 2024-01, Vol.15 (5), p.157-161
Main Authors: Xiao, Cao, Tian, Jindou, Chen, Qihui, Hong, Maochun
Format: Article
Language:English
Subjects:
Bonding strength
Carbon dioxide
Carbon sequestration
Chemistry
Flue gas
Metal-organic frameworks
Natural gas
Porous materials
Water stability
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Summary:Metal-organic frameworks (MOFs) are considered to be a promising porous material due to their excellent porosity and chemical tailorability. However, due to the relatively weak strength of coordination bonds, the stability ( e.g. , water stability) of MOFs is usually poor, which severely inhibits their practical applications. To prepare water-stable MOFs, several important strategies such as increasing the bonding strength of building units and introducing hydrophobic units have been proposed, and many MOFs with excellent water stability have been prepared. Carbon dioxide not only causes a range of climate and health problems but also is a by-product of some important chemicals ( e.g. , natural gas). Due to their excellent adsorption performances, MOFs are considered as a promising adsorbent that can capture carbon dioxide efficiently and energetically, and many water-stable MOFs have been used to capture carbon dioxide in various scenarios, including flue gas decarbonization, direct air capture, and purified crude natural gas. In this review, we first introduce the design and synthesis of water-stable MOFs and then describe their applications in carbon dioxide capture, and finally provide some personal comments on the challenges facing these areas. This review highlights the design and synthesis of water-stable MOFs, as well as their applications in carbon capture.
ISSN:2041-6520
2041-6539
DOI:10.1039/d3sc06076d