Activation of metal–organic framework materials

Crystalline metal-organic frameworks (MOFs) have emerged as a highly desirable class of solid-state materials. Some of their most attractive features include exceptionally high porosities as well as surface areas. A key aspect to the realization of high porosity is the removal of guest molecules fro...

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Published inCrystEngComm Vol. 15; no. 45; pp. 9258 - 9264
Main Authors Mondloch, Joseph E., Karagiaridi, Olga, Farha, Omar K., Hupp, Joseph T.
Format Journal Article
LanguageEnglish
Published 01.01.2013
Subjects
Activation
Carbon dioxide
Crystal structure
Heating
Metal-organic frameworks
Porosity
Strategy
Structural integrity
Surface area
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Summary:Crystalline metal-organic frameworks (MOFs) have emerged as a highly desirable class of solid-state materials. Some of their most attractive features include exceptionally high porosities as well as surface areas. A key aspect to the realization of high porosity is the removal of guest molecules from the framework while still maintaining its structural integrity (i.e., "activation"). This contribution highlights the strategies utilized to date for activating MOFs, including: (i) conventional heating and vacuum; (ii) solvent-exchange; (iii) supercritical CO sub(2) (scCO sub(2)) exchange; (iv) freeze-drying; and (v) chemical treatment.
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ISSN:1466-8033
1466-8033
DOI:10.1039/c3ce41232f