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Hierarchical Metal–Organic Frameworks with Macroporosity: Synthesis, Achievements, and Challenges

Research output: Contribution to journalReview article

Original languageEnglish
Article number54
Number of pages33
JournalNano-Micro Letters
Volume11
Issue number1
DOIs
DateAccepted/In press - 20 Jun 2019
DatePublished (current) - 8 Jul 2019

Abstract

Introduction of multiple pore size regimes into metal-organic frameworks (MOFs) to form hierarchical porous structures can lead to improved performance of the material in various applications. In many cases, where interactions with bulky molecules are involved, enlarging the pore sizes of typically microporous MOF adsorbents or MOF catalysts is crucial for enhancing both mass transfer and molecular accessibility. In this review, we examine the range of synthetic strategies which have been reported thus far to prepare hierarchical MOFs or MOF composites with added macroporosity. These fabrication techniques can be either pre- or post-synthetic and include use of hard or soft structural templating agents, defect formation, routes involving supercritical CO2, and 3D printing. We also discuss potential applications and some of the challenges involved with current techniques, which must be addressed if any of these approaches are to be taken forward for industrial applications.

    Research areas

  • metal-organic frameworks, hierarchical, macroporous, composites

    Structured keywords

  • Bristol Composites Institute ACCIS

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    Rights statement: This is the final published version of the article (version of record). It first appeared online via Springer Link at https://doi.org/10.1007/s40820-019-0286-9 . Please refer to any applicable terms of use of the publisher.

    Final published version, 10.5 MB, PDF document

    Licence: CC BY

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