Issue 20, 2021

Capture of toxic gases in MOFs: SO2, H2S, NH3 and NOx

Abstract

MOFs are promising candidates for the capture of toxic gases since their adsorption properties can be tuned as a function of the topology and chemical composition of the pores. Although the main drawback of MOFs is their vulnerability to these highly corrosive gases which can compromise their chemical stability, remarkable examples have demonstrated high chemical stability to SO2, H2S, NH3 and NOx. Understanding the role of different chemical functionalities, within the pores of MOFs, is the key for accomplishing superior captures of these toxic gases. Thus, the interactions of such functional groups (coordinatively unsaturated metal sites, μ-OH groups, defective sites and halogen groups) with these toxic molecules, not only determines the capture properties of MOFs, but also can provide a guideline for the desigh of new multi-functionalised MOF materials. Thus, this perspective aims to provide valuable information on the significant progress on this environmental-remediation field, which could inspire more investigators to provide more and novel research on such challenging task.

Graphical abstract: Capture of toxic gases in MOFs: SO2, H2S, NH3 and NOx

Article information

Article type
Perspective
Submitted
19 3月 2021
Accepted
28 4月 2021
First published
28 4月 2021
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY license

Chem. Sci., 2021,12, 6772-6799

Capture of toxic gases in MOFs: SO2, H2S, NH3 and NOx

E. Martínez-Ahumada, M. L. Díaz-Ramírez, M. D. J. Velásquez-Hernández, V. Jancik and I. A. Ibarra, Chem. Sci., 2021, 12, 6772 DOI: 10.1039/D1SC01609A

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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