A zirconium squarate metal–organic framework with modulator-dependent molecular sieving properties

Bueken, Bart; Reinsch, Helge; Reimer, Nele; Stassen, Ivo; Vermoortele, Frederik; Ameloot, Rob; Stock, Norbert; Kirschhock, Christine; Vos, Dirk De

doi:10.1039/c4cc03764b

Cited by 70 publications

(69 citation statements)

References 33 publications

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“…The synthesis of zirconium MOFs has recently been in focus due to their high thermal and chemical stability,, their remarkable catalytic activity,, and their structural tunability , . There have also been intense efforts to obtain MOFs with the archetypical fcu topology of the UiO‐66 framework (UiO: University of Oslo) using a “green” preparative synthesis route.…”

Section: Introductionmentioning

confidence: 99%

A Facile “Green” Route for Scalable Batch Production and Continuous Synthesis of Zirconium MOFs

et al. 2016

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Considering the requirements for the commercial production of metal-organic frameworks (MOFs), we investigated the aqueous synthesis of zirconium MOFs. A highly versatile route was identified employing ZrOCl 2 ·8H 2 O, H 2 O, acetic acid and the respective linker molecule as starting materials. These synthesis conditions are suitable to obtain zirconium MOFs with different topologies like UiO-66-(OH) 2 , zirconium fumarate, zirconium mesaconate, DUT-67 or MOF-808 with synthesis times of 1 to 5 h under microwave irradiation. The scalability of the synthesis of zirconium fumarate was demonstrated [a]

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Section: Introductionmentioning

confidence: 99%

A Facile “Green” Route for Scalable Batch Production and Continuous Synthesis of Zirconium MOFs

et al. 2016

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“…It has, however, recently emerged that, similar to other materials classes, MOFs display a range of lattice defects (Fang et al, 2015), such as vacancies (Vermoortele et al, 2012a;Wu et al, 2013), surface defects (Choi et al, 2008;Ameloot et al, 2013), dislocations (Shöâeè et al, 2008;Walker and Slater, 2008), and defect voids (Whittington et al, 2014). More importantly, the physical and chemical impact of MOF defects has begun to be recognized (Bueken et al, 2014;Cliffe et al, 2014;Fang et al, 2014;Whittington et al, 2014;Ren et al, 2015).…”

Section: Resultsmentioning

confidence: 99%

“…However, owing to the weak interaction of methane molecules with the framework, to increase methane capacities, it is essential that both the surface area and the framework-methane interaction strength are increased. It has been reported that lattice defects of MOFs may alter their uptake of CO2 and H2 (Yang et al, 2012;Bueken et al, 2014;Ren et al, 2015). It is very likely that this phenomenon will have an impact on methane storage too.…”

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The Impact of Post-Synthetic Linker Functionalization of MOFs on Methane Storage: The Role of Defects

et al. 2016

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Natural gas is increasingly being viewed as one of the most viable alternatives to gasoline. However, its vehicular application will only be widespread if safe and high-capacity methane stores are developed. In this work, we report an over 33% increase in methane uptake on a post-synthetically modified metal-organic framework. The underlying mechanism for this dramatic increase is due to lattice defects formed upon post-synthetic modification. This method may open new approaches to natural gas storage.

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“…Was die Textur betrifft, kann wie bereits erwähnt die Einführung von Leerstellendefekten in ausreichenden Mengen die Bildung von Mesoporen zur Folge haben. Defektmanipulation könnte sogar ein Hilfsmittel sein, um dichte, nichtporöse CNCs (cd‐CNC) in die poröse Form (cp‐CNC) zu überführen, wie im Falle des UiO‐66‐Derivats mit kleinen Quadratsäure(C 4 O 4 H 2 )‐Linkern 72…”

Section: Auswirkung Der Defekte Auf Die Eigenschaften Und Funktionunclassified

Defektmanipulierte Metall‐organische Gerüste

et al. 2015

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Die gezielte Manipulation Metall‐organischer Gerüste (MOFs) ist ein interessantes Konzept zur Entwicklung maßgeschneiderter Materialeigenschaften, das nicht nur in den Gebieten der Sorption und Katalyse neue Möglichkeiten schafft, sondern auch bei der Kontrolle anspruchsvollerer physikalischer Merkmale wie der Bandlücke sowie magnetischer und elektrischer Eigenschaften. Bisher gab es wenig Bemühungen, die intrinsischen oder absichtlich geschaffenen Defekte verschiedenster Art zu charakterisieren. Basierend auf Veröffentlichungen aus den letzten Jahrzehnten schließt dieser Aufsatz die Lücke, indem er einen prägnanten Überblick über Defekte in MOFs, oder weiter gefasst in Koordinationsnetzwerk‐Verbindungen (CNCs), gibt und deren Klassifikation und Charakterisierung sowie (mögliche) Anwendungen der defekthaltigen CNCs/MOFs einschließt. Außerdem werden wir wichtige Aspekte des Konzepts der “Defektmanipulation” in Anwendung an CNCs hervorheben, auch in Gegenüberstellung mit relevanten Feststoffen wie Zeolithen oder kovalenten organischen Gerüsten (COFs). Zuletzt werden wir das Potenzial der defektmanipulierten CNCs für die Zukunft diskutieren.

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A zirconium squarate metal–organic framework with modulator-dependent molecular sieving properties

Abstract: We report the first zirconium metal-organic framework based on squaric acid, representing the member with the smallest unit cell in the isoreticular UiO-66 family. Its molecular sieving properties are strongly influenced by the monocarboxylic acid modulator incorporated during synthesis.

Cited by 70 publications

References 33 publications

A Facile “Green” Route for Scalable Batch Production and Continuous Synthesis of Zirconium MOFs

A Facile “Green” Route for Scalable Batch Production and Continuous Synthesis of Zirconium MOFs

The Impact of Post-Synthetic Linker Functionalization of MOFs on Methane Storage: The Role of Defects

Defektmanipulierte Metall‐organische Gerüste

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