Sensing and capture of toxic and hazardous gases and vapors by metal-organic frameworks

Toxic and hazardous chemical species are ubiquitous, predominantly emitted by anthropogenic activities, and pose serious risks to human health and the environment. Thus, the sensing and subsequent capture of these chemicals, especially in the gas or vapor phase, are of extreme importance. To this en...

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Bibliographic Details
Published in:Chemical Society reviews 2018-01, Vol.47 (13), p.4729-4756
Main Authors: Wang, Hao, Lustig, William P, Li, Jing
Format: Article
Language:English
Subjects:
Adsorptivity
Aliphatic compounds
Aromatic compounds
Biological & chemical weapons
Chemical compounds
Chemical warfare
Chlorofluorocarbons
Detection
Fluorocarbons
Metal-organic frameworks
Organic chemistry
Porosity
Vapor phases
VOCs
Volatile organic compounds
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Summary:Toxic and hazardous chemical species are ubiquitous, predominantly emitted by anthropogenic activities, and pose serious risks to human health and the environment. Thus, the sensing and subsequent capture of these chemicals, especially in the gas or vapor phase, are of extreme importance. To this end, metal-organic frameworks have attracted significant interest, as their high porosity and wide tunability make them ideal for both applications. These tailorable framework materials are particularly promising for the specific sensing and capture of targeted chemicals, as they can be designed to fit a diverse range of required conditions. This review will discuss the advantages of metal-organic frameworks in the sensing and capture of harmful gases and vapors, as well as principles and strategies guiding the design of these materials. Recent progress in the luminescent detection of aromatic and aliphatic volatile organic compounds, toxic gases, and chemical warfare agents will be summarized, and the adsorptive removal of fluorocarbons/chlorofluorocarbons, volatile radioactive species, toxic industrial gases and chemical warfare agents will be discussed. This review summaries recent progress in the luminescent detection and adsorptive removal of harmful gases and vapors by metal-organic frameworks, as well as the principles and strategies guiding the design of these materials.
ISSN:0306-0012
1460-4744
DOI:10.1039/c7cs00885f