Nanoporous Catalytic Materials with Organic Frameworks

Gin, Douglas L.; Gu, Weicong

doi:10.1002/1521-4095(200109)13:18<1407::aid-adma1407>3.0.co;2-0

Cited by 48 publications

(34 citation statements)

References 15 publications

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“…Organic liquidcrystalline materials themselves had not been used as catalysts until Gin and co-workers reported catalytic amphiphilic liquid crystals. [276][277][278][279][280] They showed that cross-linked, lyotropic liquid-crystalline (LLC) assemblies function effectively as catalytic platforms ( Figure 28). In these systems, the reactive head groups of amphiphilic molecules are concentrated at the center of the cylinder in the lyotropic inverted hexagonal phase (H II ).…”

Section: Catalysis and Templates For Synthesismentioning

confidence: 99%

Functional Liquid‐Crystalline Assemblies: Self‐Organized Soft Materials

2005

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In the 21st century, soft materials will become more important as functional materials because of their dynamic nature. Although soft materials are not as highly durable as hard materials, such as metals, ceramics, and engineering plastics, they can respond well to stimuli and the environment. The introduction of order into soft materials induces new dynamic functions. Liquid crystals are ordered soft materials consisting of self-organized molecules and can potentially be used as new functional materials for electron, ion, or molecular transporting, sensory, catalytic, optical, and bio-active materials. For this functionalization, unconventional materials design is required. Herein, we describe new approaches to the functionalization of liquid crystals and show how the design of liquid crystals formed by supramolecular assembly and nano-segregation leads to the formation of a variety of new self-organized functional materials.

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Section: Catalysis and Templates For Synthesismentioning

confidence: 99%

Functional Liquid‐Crystalline Assemblies: Self‐Organized Soft Materials

2005

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“…Polyelectrolyte Templating** By Qi Li, John F. Quinn, and Frank Caruso* Materials containing nanopores are important in a variety of fields, including catalysis, [1,2] separations, [3,4] electronics, [5] optics, [6] and biomaterials engineering. [7,8] Templating techniques represent an effective method for producing such materials (both inorganic and organic) with controlled pore structures.…”

Section: Nanoporous Polymer Thin Films Viamentioning

confidence: 99%

Nanoporous Polymer Thin Films via Polyelectrolyte Templating

Li¹,

Quinn²,

Caruso³

2005

Advanced Materials

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“…In addition to their intensive applications based on their host−guest chemistry, macrocycles have also been used as building blocks to construct solid materials including porous organic polymers (POPs), metal–organic frameworks (MOFs), and crystalline organic materials (COMs) . Particular attention should be paid to COMs, a class of organic materials featuring facile preparation, high crystallinity, structural diversity, chemical stability, solution‐processability, etc . Different from MOFs that are composed of both inorganic (metal ions) and organic species (organic ligands) through coordination, COMs refer to a kind of crystalline materials composed of pure organics connected by either covalent or noncovalent bonds .…”

Section: Introductionmentioning

confidence: 99%

Supramolecular‐Macrocycle‐Based Crystalline Organic Materials

et al. 2019

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macrocycles. They have been also employed to modify the surface properties of metal nanoparticles via noncovalent host−guest interactions, [31] covering their applications in drug delivery, [32] highly sensitive sensors, [33] selective catalysis, [34] and so on.In addition to their intensive applications based on their host−guest chemistry, macrocycles have also been used as building blocks to construct solid materials including porous organic polymers (POPs), [35,36] metal-organic frameworks (MOFs), [37][38][39][40][41][42][43] and crystalline organic materials (COMs). [44][45][46][47][48][49][50][51][52][53][54][55][56][57] Particular attention should be paid to COMs, a class of organic materials featuring facile preparation, high crystallinity, structural diversity, chemical stability, solution-processability, etc. [58][59][60][61][62][63][64][65][66][67][68][69][70] Different from MOFs that are composed of both inorganic (metal ions) and organic species (organic ligands) through coordination, COMs refer to a kind of crystalline materials composed of pure organics connected by either covalent or noncovalent bonds. [71][72][73] For COMs connected by noncovalent bonds, the typical materials are organic molecular crystals with intriguing properties such as semiconductor, [53] porosity, [68] etc. Owing to the inefficient packing of organic building blocks in the crystal state, some molecular crystals display extrinsic porosity, which are often termed as hydrogen-bonded organic frameworks (HOFs) [74,75] or supramolecular organic frameworks (SOFs). [76][77][78][79][80] For COMs connected by covalent bonds, typical materials are crystalline covalent organic frameworks (COFs), which were firstly reported in 2005 by Yaghi and co-workers [44] Benefitting from rigid chemical bonds and building blocks, COFs show permanent and well-ordered porosity. [45][46][47][48] Supramolecular-macrocycle-based COMs, a class of COMs with macrocycles as the main building blocks, have drawn particular attention in recent years. According to their components, supramolecular-macrocycle-based COMs can be classified into two main categories, the ones composed of pure macrocycles and the others consisting of macrocycles and other simple organic building blocks. Owing to their prefabricated cavities of a certain type, some of macrocycle-based COMs exhibit intrinsic microporosity for guest adsorption in the solid state. On the other hand, the extrinsic porosity of some macrocyclebased COMs may form due to the inefficient packing of these rigid macrocyclic molecules in the crystalline state. In certain circumstances, both intrinsic and extrinsic microporosity can be created in a single lattice of a certain COM, thus leading to Supramolecular macrocycles are well known as guest receptors in supramolecular chemistry, especially host−guest chemistry. In addition to their wide applications in host−guest chemistry and related areas, macrocycles have also been employed to construct crystalline organic materials (COMs) owing to their particular structur...

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Nanoporous Catalytic Materials with Organic Frameworks

Cited by 48 publications

References 15 publications

Functional Liquid‐Crystalline Assemblies: Self‐Organized Soft Materials

Functional Liquid‐Crystalline Assemblies: Self‐Organized Soft Materials

Nanoporous Polymer Thin Films via Polyelectrolyte Templating

Supramolecular‐Macrocycle‐Based Crystalline Organic Materials

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