Installing a molecular truss beam stabilizes MOF structures

Abstract Enhancing the stability and durability of metal-organic frameworks (MOFs) is vital for practical applications because many promising MOF materials suffer from phase transitions and/or structural decompositions with humidity being a particularly damaging condition. In mechanical engineering,...

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Main Authors: Hong Ki Kim, Jong-Yeong Jung, Gyumin Kang, Mu-Hyun Baik, Eun-Young Choi
Format: Article
Language:English
Published: Nature Portfolio 2022-05-01
Series:npj Computational Materials
Online Access:https://doi.org/10.1038/s41524-022-00799-3
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author Hong Ki Kim
Jong-Yeong Jung
Gyumin Kang
Mu-Hyun Baik
Eun-Young Choi
author_facet Hong Ki Kim
Jong-Yeong Jung
Gyumin Kang
Mu-Hyun Baik
Eun-Young Choi
author_sort Hong Ki Kim
collection DOAJ
description Abstract Enhancing the stability and durability of metal-organic frameworks (MOFs) is vital for practical applications because many promising MOF materials suffer from phase transitions and/or structural decompositions with humidity being a particularly damaging condition. In mechanical engineering, the frame of buildings and furniture can be stabilized significantly by installing a truss beam. Employing the same principle, we functionalized the organic component of MOF-5 to contain a carbazole moiety that can act as a molecular truss beam by reaching across the corner and forming a stable π–π interaction with a phenyl group on the edge position of the MOF-skeleton. This structural support enhanced the stability of the MOF substantially, allowing the designed MOF to maintain compositional integrity under steam conditions at 90 °C for ~5 days. The unmodified MOF-5 shows clear signs of structural collapse after ~1 h.
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spelling doaj.art-672f79b65cc843b395c4e52075f1fc3d2022-12-22T03:21:26ZengNature Portfolionpj Computational Materials2057-39602022-05-01811910.1038/s41524-022-00799-3Installing a molecular truss beam stabilizes MOF structuresHong Ki Kim0Jong-Yeong Jung1Gyumin Kang2Mu-Hyun Baik3Eun-Young Choi4Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST)Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST)Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST)Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST)Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST)Abstract Enhancing the stability and durability of metal-organic frameworks (MOFs) is vital for practical applications because many promising MOF materials suffer from phase transitions and/or structural decompositions with humidity being a particularly damaging condition. In mechanical engineering, the frame of buildings and furniture can be stabilized significantly by installing a truss beam. Employing the same principle, we functionalized the organic component of MOF-5 to contain a carbazole moiety that can act as a molecular truss beam by reaching across the corner and forming a stable π–π interaction with a phenyl group on the edge position of the MOF-skeleton. This structural support enhanced the stability of the MOF substantially, allowing the designed MOF to maintain compositional integrity under steam conditions at 90 °C for ~5 days. The unmodified MOF-5 shows clear signs of structural collapse after ~1 h.https://doi.org/10.1038/s41524-022-00799-3
spellingShingle Hong Ki Kim
Jong-Yeong Jung
Gyumin Kang
Mu-Hyun Baik
Eun-Young Choi
Installing a molecular truss beam stabilizes MOF structures
npj Computational Materials
title Installing a molecular truss beam stabilizes MOF structures
title_full Installing a molecular truss beam stabilizes MOF structures
title_fullStr Installing a molecular truss beam stabilizes MOF structures
title_full_unstemmed Installing a molecular truss beam stabilizes MOF structures
title_short Installing a molecular truss beam stabilizes MOF structures
title_sort installing a molecular truss beam stabilizes mof structures
url https://doi.org/10.1038/s41524-022-00799-3
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AT muhyunbaik installingamoleculartrussbeamstabilizesmofstructures
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