Issue 12, 2022

Flexible metal–organic frameworks for gas storage and separation

Abstract

Flexible metal–organic frameworks (MOFs) have gradually attracted much attention due to their reversible structural changes and flexible structural responses. The basic research of flexible MOFs is to study their dynamic responses under different external stimuli and translate the responses into applications. Most research studies on flexible MOFs focus on gas storage and separation, but lack a systematic summary. Here, we review the development of flexible MOFs, the structural transformation under the external effects of temperature, pressure, and guest molecules, and their applications in gas storage and separation. Microporous MOFs with flexible structures provide unique opportunities for fine-tuning their performance because the pore shape and size can be controlled by external stimuli. The characteristics of breathing phenomena and large specific surface area make flexible MOFs suitable candidates for gas storage and separation. Finally, the application prospects of flexible MOFs are reported.

Graphical abstract: Flexible metal–organic frameworks for gas storage and separation

Supplementary files

Article information

Article type
Frontier
Submitted
12 Nov 2021
Accepted
14 Feb 2022
First published
28 Feb 2022

Dalton Trans., 2022,51, 4608-4618

Flexible metal–organic frameworks for gas storage and separation

Y. Li, Y. Wang, W. Fan and D. Sun, Dalton Trans., 2022, 51, 4608 DOI: 10.1039/D1DT03842G

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