Vapor‐Phase Linker Exchange of the Metal–Organic Framework ZIF‐8: A Solvent‐Free Approach to Post‐synthetic Modification

Marreiros, João; Dommelen, Lenz Van; Fleury, Guillaume; Oliveira‐Silva, Rodrigo de; Stassin, Timothée; Iacomi, Paul; Furukawa, Shuhei; Sakellariou, Dimitrios; Llewellyn, Philip L.; Roeffaers, Maarten B. J.; Ameloot, Rob

doi:10.1002/ange.201912088

Cited by 16 publications

(10 citation statements)

References 33 publications

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“…Vapour-phase ligand exchange (VPLE) has also been used to incorporate different imidazole derivatives, although it is limited to certain imidazoles, resulting in some cases in a transformation into dense phases. 36 Nevertheless, a major limitation of post-synthetic strategies is the incorporation of additional synthetic steps, which hinders a scalable process and therefore a commercial use.…”

Section: Introductionmentioning

confidence: 99%

Multivariate sodalite zeolitic imidazolate frameworks: a direct solvent-free synthesis

et al. 2022

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Section: Introductionmentioning

confidence: 99%

Multivariate sodalite zeolitic imidazolate frameworks: a direct solvent-free synthesis

et al. 2022

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“…As such, there is growing interest in methods to sustainably introduce organic entities into MOFs without using solvents. 24,25 The present work is focused on the introduction of 5hydroxymethylfurfural (HMF), a platform chemical that can be derived from biomass, for the subsequent formation of synthetic humins inside the pores of a MOF, utilizing a solvent-free approach. Our interest in humins is owed to the high density of active functionality (hydroxy groups, ester groups, etc.)…”

Section: ■ Introductionmentioning

confidence: 99%

Hybridization of Synthetic Humins with a Metal–Organic Framework for Precious Metal Recovery and Reuse

Karve

Schertenleib

Espín

et al. 2021

ACS Appl. Mater. Interfaces

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The number of synthetic strategies used to functionalize MOFs with polymers is rapidly growing; this stems from the knowledge that non-native polymeric guests can significantly boost MOF performance in a number of desirable applications. The current work presents a scalable and solid-state method for MOF/polymer composite production. This simple method constitutes mixing a MOF powder, namely, Fe-BTC (BTC = 1,3,5-benzenetricarboxylate), with a biomass-derived solid monomer, 5-hydroxymethylfurfural (HMF), and subsequently heating the solids; the latter promotes both solid-state diffusion of HMF into the MOF and the formation of polymeric humin species with a high density of accessible hydroxyl functionality within the MOF pore. The resulting composite, Fe-BTC/humin, was found to selectively extract Ag + ions from laundry wastewater. Subsequent reduction of the Ag + species yields a novel catalyst, Fe-BTC/humin/Ag, that is able to drive the organic transformation of cinnamaldehyde in a highly selective manner. Moreover, the catalyst exhibited recyclability up to five cycles, which is in contrast to the Fe-BTC/Ag catalyst without the humin-based polymer. It is envisioned that MOF/polymer composites that are able to selectively extract precious metals from liquid waste streams can be used for the future production of sustainable catalysts; this work was aimed at demonstrating a proof of concept in this regard. Moreover, this study brings more understanding of the impact that MOFs can have on polymer functionalities. Understanding the polymer structure and how it can be manipulated will help us realize the high degree of future potential of this distinct class of composite materials.

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“…Recently, we reported vapor-phase linker exchange of ZIF-8 by imidazole linkers with halogen groups for reconstructing the pore microenvironment of the pores . Marreiros et al exposed ZIF-8 in vapor linkers for postsynthetic linker exchange . Eum et al controlled the separation performance of the ZIF-8 membrane through vapor linker treatment .…”

Section: Introductionmentioning

confidence: 99%

“…27 Marreiros et al exposed ZIF-8 in vapor linkers for postsynthetic linker exchange. 28 Eum et al controlled the separation performance of the ZIF-8 membrane through vapor linker treatment. 29 Therefore, we envisage whether vaporphase deposition can be employed for postsynthetic grafting modification.…”

Section: ■ Introductionmentioning

confidence: 99%

Postsynthetic Modification of Metal–Organic Frameworks by Vapor-Phase Grafting

Rong

Chen

et al. 2021

Inorg. Chem.

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A vapor-phase grafting strategy is developed for the postsynthetic modification of metal−organic frameworks (MOFs). On the basis of the Schotten−Baumann reaction between acyl chloride (−COCl) and amino (−NH 2 ) groups and hydrolysis of −COCl, the carboxylated MOFs could be prepared through simple exposure in vaporized acyl chloride molecules and immersion in water. The modified MOFs have well-maintained crystalline structures and porosities and show substantially improved fluoride removal performance.

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Vapor‐Phase Linker Exchange of the Metal–Organic Framework ZIF‐8: A Solvent‐Free Approach to Post‐synthetic Modification

Cited by 16 publications

References 33 publications

Multivariate sodalite zeolitic imidazolate frameworks: a direct solvent-free synthesis

Multivariate sodalite zeolitic imidazolate frameworks: a direct solvent-free synthesis

Hybridization of Synthetic Humins with a Metal–Organic Framework for Precious Metal Recovery and Reuse

Postsynthetic Modification of Metal–Organic Frameworks by Vapor-Phase Grafting

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