Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 25, Issue 8, Pages 1848-1853Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201803866
Keywords
dynamics; gas adsorption; host-guest interactions; metal-organic frameworks; solid-state NMR spectroscopy
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Funding
- Natural Science and Engineering Research Council (NSERC) of Canada
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Metal-organic frameworks (MOFs) have shown great potential in gas separation and storage, and the design of MOFs for these purposes is an on-going field of research. Solid-state nuclear magnetic resonance (SSNMR) spectroscopy is a valuable technique for characterizing these functional materials. It can provide a wide range of structural and motional insights that are complementary to and/or difficult to access with alternative methods. In this Concept article, the recent advances made in SSNMR investigations of small gas molecules (i.e., carbon dioxide, carbon monoxide, hydrogen gas and light hydrocarbons) adsorbed in MOFs are discussed. These studies demonstrate the breadth of information that can be obtained by SSNMR spectroscopy, such as the number and location of guest adsorption sites, host-guest binding strengths and guest mobility. The knowledge acquired from these experiments yields a powerful tool for progress in MOF development.
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