The asc Trinodal Platform: Two‐Step Assembly of Triangular, Tetrahedral, and Trigonal‐Prismatic Molecular Building Blocks

Schoedel, Alexander; Cairns, Amy; Belmabkhout, Youssef; Wojtas, Łukasz; Mohamed, Mona H.; Zhang, Zhenjie; Proserpio, Davide Μ.; Eddaoudi, Mohamed; Zaworotko, Michael J.

doi:10.1002/ange.201206042

Cited by 18 publications

(3 citation statements)

References 58 publications

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“…However, by employing hetero multitopic linkers it could be possible to prepare MM‐MOFs with metal ions of different softness/hardness that would not be formed using the most common multitopic linkers. In this way, ligands having different donor atoms can coordinate metal ions of different Lewis acidity and coordination geometry forming a MM‐MOF . MM‐MOFs in which two different metals are presented in a certain proportion range have been reported to be prepared using synthetic procedures common in MOF synthesis, such as conventional heating and solvothermal procedures .…”

Section: Synthetic Strategies For Preparation Of Mm‐mofsmentioning

confidence: 99%

“…An alternative to the direct MM‐MOF synthesis involving the preformed metallocomplex as a linker is a two‐step procedure consisting of the preparation of a single metal MOF with the corresponding bifunctional ligand that subsequently forms the complex with a second metal ion resulting in the MM‐MOF (Figure ) . This two‐step procedure can be more general and can serve for those cases in which the preformed complex would not survive to the conditions required in a one‐pot reaction.…”

Section: Synthetic Strategies For Preparation Of Mm‐mofsmentioning

confidence: 99%

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Mixed‐Metal MOFs: Unique Opportunities in Metal–Organic Framework (MOF) Functionality and Design

et al. 2019

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MOFs are synthesized following al arge variety of procedures,i ncluding solvo/hydro thermal methods,s low diffusion, conventional heating, slow evaporation, mechanochemical, and sonochemical. [28][29][30][31][32] Several of these synthetic Mixed-metal metal-organic frameworks (MM-MOFs) can be considered to be those MOFs having two different metals anywhere in the structure.H erein we summarizethe various strategies for the preparation of MM-MOFs and some of their applications in adsorption, gas separation, and catalysis.I ti sshown that compared to homometallic MOFs,MM-MOFs bring about the opportunity to take advantage of the complexity and the synergism derived from the presence of different metal ions in the structure of MOFs.This is reflected in as uperior performance and even stability of MM-MOFs respect to related single-metal MOFs.Emphasis is made on the use of MM-MOFs as catalysts for tandem reactions.

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Section: Synthetic Strategies For Preparation Of Mm‐mofsmentioning

confidence: 99%

Section: Synthetic Strategies For Preparation Of Mm‐mofsmentioning

confidence: 99%

Mixed‐Metal MOFs: Unique Opportunities in Metal–Organic Framework (MOF) Functionality and Design

et al. 2019

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“…Porous coordination networks (PCNs), 23,24 which comprise metal-organic frameworks (MOFs), porous coordination polymers (PCPs), 25,26 and hybrid ultramicroporous materials (HUMs), [27][28][29] exploit the modularity of their building blocks (metal ions/clusters, organic/inorganic linkers) to control topology, pore size, and pore chemistry in a manner that is infeasible for existing classes of materials. 30,31 PCNs can be readily assembled using crystal engineering principles [32][33][34][35][36] including the nodeand-linker, 37,38 molecular building block (MBB), [34][35][36]39 and supramolecular building block approaches. 40,41 Precise control over pore structure can be exerted by adjustment of the lengths, geometry, and functionality of the MBBs.…”

Section: Introductionmentioning

confidence: 99%

Crystal engineering of porous coordination networks for C3 hydrocarbon separation

et al. 2020

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C3 hydrocarbons (HCs), especially propylene and propane, are high-volume products of the chemical industry as they are utilized for the production of fuels, polymers, and chemical commodities. Demand for C3 HCs as chemical building blocks is increasing but obtaining them in sufficient purity (>99.95%) for polymer and chemical processes requires economically and energetically costly methods such as cryogenic distillation. Adsorptive separations using porous coordination networks (PCNs) could offer an energy-efficient alternative to current technologies for C3 HC purification because of the lower energy footprint of sorbent separations for recycling versus alternatives such as distillation, solvent extraction, and chemical transformation. In this review, we address how the structural modularity of porous PCNs makes them amenable to crystal engineering that in turn enables control over pore size, shape, and chemistry. We detail how control over pore structure has enabled PCN sorbents to offer benchmark performance for C3 separations thanks to several distinct mechanisms, each of which is highlighted. We also discuss the major challenges and opportunities that remain to be addressed before the commercial development of PCNs as advanced sorbents for C3 separation becomes viable.

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Stitching 2D Polymeric Layers into Flexible Interpenetrated Metal–Organic Frameworks within Single Crystals

et al. 2014

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A 2D coordination polymer prepared with bulky diethylformamide solvates exhibits channels which allow dipyridyl bridging ligands to diffuse into the crystal lattice. The absorbed dipyridyls thread through the pores of one layer and substitute the surface diethylformamide molecules on the neighboring layers to stitch alternate layers to form flexible interpenetrated metal–orgaic frameworks. The threading process also results in exchange of the bulky diethylformamide solvates for aqua to minimize congestion and, more strikingly, forces the slippage of two‐dimensional layers, while still maintaining crystallinity.

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The asc Trinodal Platform: Two‐Step Assembly of Triangular, Tetrahedral, and Trigonal‐Prismatic Molecular Building Blocks

Cited by 18 publications

References 58 publications

Mixed‐Metal MOFs: Unique Opportunities in Metal–Organic Framework (MOF) Functionality and Design

Mixed‐Metal MOFs: Unique Opportunities in Metal–Organic Framework (MOF) Functionality and Design

Crystal engineering of porous coordination networks for C3 hydrocarbon separation

Stitching 2D Polymeric Layers into Flexible Interpenetrated Metal–Organic Frameworks within Single Crystals

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