2018
DOI: 10.1002/anie.201801116
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A Cooperative Pillar–Template Strategy as a Generalized Synthetic Method for Flexible Homochiral Porous Frameworks

Abstract: A new strategy for creating homochiral metal-organic frameworks through a fusion of pillaring and templating concepts is demonstrated. This strategy makes use of the synergy among various chemical interactions during self-assembly processes, and leads to the synthesis of a series of homochiral frameworks. In the presence of only pillar-to-pillar π-π interactions, inter-pillar forces compete against metal-pillar interactions, resulting in mismatch between pillar-to-pillar and metal-to-metal separations and cons… Show more

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Cited by 31 publications
(16 citation statements)
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“…An emerging approach to the generation of ultramicroporous hybrid frameworks uses a range of intermolecular interactions to incorporate inorganic anions as the secondary building blocks of the MOFs. The introduction of organic anions that contribute to the construction of MOFs, however, is rare , on account of the assembly process often being perturbed by intermolecular interactions, which can preclude co-crystallization or only load disordered guests inside the pores. Thus, the development of new strategies for incorporating organic anions into hybrid frameworks remains a challenging goal in materials science, and has significant ramifications for the design of ultramicroporous architectures.…”
Section: Introductionmentioning
confidence: 99%
“…An emerging approach to the generation of ultramicroporous hybrid frameworks uses a range of intermolecular interactions to incorporate inorganic anions as the secondary building blocks of the MOFs. The introduction of organic anions that contribute to the construction of MOFs, however, is rare , on account of the assembly process often being perturbed by intermolecular interactions, which can preclude co-crystallization or only load disordered guests inside the pores. Thus, the development of new strategies for incorporating organic anions into hybrid frameworks remains a challenging goal in materials science, and has significant ramifications for the design of ultramicroporous architectures.…”
Section: Introductionmentioning
confidence: 99%
“…The physical properties and applications of the porous materials mostly rely on their pore parameters, [14,15] such as pore size, pore volume, porosity, regularity, and dispersity, [16][17][18] and can be tuned by different synthesis methods. The methods for porous-materials synthesis mainly consist of the sol-gel method, [19,20] template method, [21][22][23][24][25] chemical reaction method, [1][2][3][4] and physical process. [26][27][28][29][30][31][32][33][34] Template method is the most commonly-used technique that can offer an easy way to form porous materials and modulate pore sizes.…”
Section: Introductionmentioning
confidence: 99%
“…Recently, the synthesis and property investigation of porous framework materials have become one of the hottest research topics in the field of materials chemistry. Among these, porous supramolecular networks (PSNs) mainly composed of discrete metal–organic or organic (also called SOFs, abbreviation of supramolecular organic frameworks) molecules have been advanced as new chemistry materials. Differing from other traditional porous framework materials such as metal–organic frameworks (MOFs), zeolite–imidazolate frameworks, and covalent organic frameworks which are fabricated by molecular self-assembly via covalent or coordinate bonds, the discrete building modules in PSNs or SOFs are extended though supramolecular interactions. , In comparison, supramolecular interactions own a larger range of strengths, directionality, and reversibility, which can guarantee effective modification over the structures and properties of the target PSNs or SOFs and further capacitate them with diverse functions. , As a result, PSNs or SOFs possess some particular advantages such as solution processability and characterization, straightforward regeneration, easy purification, and so forth. For the majority of the existing PSNs such as some well-reported SOFs ( SOF-7 , PFC-1 , TTBI , and so forth), their architectures are mainly organized by hydrogen bonds or π–π stacking interactions. Nevertheless, hydrogen bonds can be easily broken in basic environment, and indeed, PSNs or SOFs with high basic durability are still rarely reported to date.…”
Section: Introductionmentioning
confidence: 99%