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Issue 34, 2017
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Fine tuning of catalytic and sorption properties of metal–organic frameworks via in situ ligand exchange

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Abstract

Metal–organic frameworks (MOFs) are gaining considerable attention not only because of their diverse structures but also due to their interesting properties and potential applications. However, fabrication of MOFs with desired structures and properties remains a great challenge. In this study, a strategy based on ligand exchange via single-crystal-to-single-crystal (SCSC) transformation has been undertaken, which can be used to achieve MOFs not available by direct synthesis and also to enrich the family of isoreticular MOFs. Direct X-ray crystallographic observation provides undoubted evidence that the pyrazine (pyz) ligand in [Cu3(L)2(pyz)(H2O)] (L3− = [1,1′:3′,1′′-terphenyl]-4,4′′,5′-tricarboxylate) was replaced by its derivatives without damaging the framework. Furthermore, the catalytic and sorption properties of the MOFs are able to be fine-tuned by introducing definite substituent group decorated on the pore surface. Thus, it is expected that the ligand exchange will be powerful for replacing linker molecules with others having desirable substituents, and as a result to afford desired MOFs.

Graphical abstract: Fine tuning of catalytic and sorption properties of metal–organic frameworks via in situ ligand exchange

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Publication details

The article was received on 20 Jun 2017, accepted on 02 Aug 2017 and first published on 02 Aug 2017


Article type: Paper
DOI: 10.1039/C7DT02231J
Citation: Dalton Trans., 2017,46, 11425-11430
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    Fine tuning of catalytic and sorption properties of metal–organic frameworks via in situ ligand exchange

    P. Wang, K. Chen, Q. Liu, H. Wang, M. Azam, S. I. Al-Resayes, Y. Lu and W. Sun, Dalton Trans., 2017, 46, 11425
    DOI: 10.1039/C7DT02231J

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