Reticular synthesis and the design of new materials
Omar M. Yaghi,Michael O'Keeffe,Nathan W. Ockwig,Hee K. Chae,Hee K. Chae,Mohamed Eddaoudi,Jaheon Kim +6 more
TLDR
This work has shown that highly porous frameworks held together by strong metal–oxygen–carbon bonds and with exceptionally large surface area and capacity for gas storage have been prepared and their pore metrics systematically varied and functionalized.Abstract:
The long-standing challenge of designing and constructing new crystalline solid-state materials from molecular building blocks is just beginning to be addressed with success. A conceptual approach that requires the use of secondary building units to direct the assembly of ordered frameworks epitomizes this process: we call this approach reticular synthesis. This chemistry has yielded materials designed to have predetermined structures, compositions and properties. In particular, highly porous frameworks held together by strong metal-oxygen-carbon bonds and with exceptionally large surface area and capacity for gas storage have been prepared and their pore metrics systematically varied and functionalized.read more
Citations
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Calixarene-based nanoscale coordination cages.
TL;DR: Four large analogous calixarene-based cages are presented and the introduction of an ancillary ligand would generate some extra-large multicomponent cages with unique properties—an attractive but challenging topic.
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Multiple Functions of Ionic Liquids in the Synthesis of Three‐Dimensional Low‐Connectivity Homochiral and Achiral Frameworks
TL;DR: This research seeks to develop a generalized method to synthesize homochiral zeolite-like low-connectivity framework materials that are stoichiometrically and topologically similar to zeolites and multiple roles of ionic liquids.
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Crystalline coordination framework endowed with dynamic gate-opening behaviour by being downsized to a thin film
Shun Sakaida,Kazuya Otsubo,Osami Sakata,Chulho Song,Akihiko Fujiwara,Masaki Takata,Hiroshi Kitagawa +6 more
TL;DR: A coordination framework is reported that exhibits a dynamic guest-sorption behaviour in a nanometre-sized thin-film form (16 nm thick), yet shows no guest uptake in the bulk, and it is envisaged that such a crystal-downsizing effect may be observed with other coordination frameworks.
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Nanoscale Metal–Organic Frameworks: Magnetic Resonance Imaging Contrast Agents and Beyond
Joseph Della Rocca,Wenbin Lin +1 more
TL;DR: In this paper, a review of the development of nanoscale metal-organic frameworks (NMOFs) as novel MRI contrast agents is presented, which not only provide an effective vehicle for delivering large amounts of paramagnetic metal centers but also exhibit enhanced per-metal-based relaxivity relative to clinically used small-molecule contrast agents.
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Ionic Liquid/Metal–Organic Framework Composites: From Synthesis to Applications
TL;DR: Ionic liquids have been recently incorporated into the pores of metal-organic frameworks as cavity occupants to change the physicochemical properties and gas affinities of MOFs as mentioned in this paper, which has shown that IL/MOF composites show superior performances compared with pristine MOFs in various fields, such as gas storage, adsorption and membrane-based gas separation, catalysis, and ionic conductivity.
References
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Systematic Design of Pore Size and Functionality in Isoreticular MOFs and Their Application in Methane Storage
Mohamed Eddaoudi,Jaheon Kim,Nathaniel L. Rosi,David T. Vodak,Joseph Wachter,Michael O'Keeffe,Omar M. Yaghi +6 more
TL;DR: Metal-organic framework (MOF-5), a prototype of a new class of porous materials and one that is constructed from octahedral Zn-O-C clusters and benzene links, was used to demonstrate that its three-dimensional porous system can be functionalized with the organic groups and can be expanded with the long molecular struts biphenyl, tetrahydropyrene, pyrene, and terphenyl.
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Design and synthesis of an exceptionally stable and highly porous metal-organic framework
TL;DR: In this article, an organic dicarboxylate linker is used in a reaction that gives supertetrahedron clusters when capped with monocarboxyates.