Applications of metal–organic frameworks for green energy and environment: New advances in adsorptive gas separation, storage and removal

Wang, Bin; Xie, Lin‐Hua; Wang, Xiaoqing; Liu, Xiao Min; Li, Jinping; Li, Jian Rong

doi:10.1016/j.gee.2018.03.001

Cited by 179 publications

(100 citation statements)

References 213 publications

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“…Flexible MOFs perform in an extraordinary stimuli-responsive fashion. When a researcher discusses the dynamic behavior of flexible MOFs upon exposure to external stimuli; three different conceptual levels of response should be borne in mind; (i) host coordination network structure (cage), (ii) the crystal structure, and (iii) the overall particle structure [20]. In order to simulate the stereo-dynamic behavior of third generation MOFs, the action of certain external stimuli such as light, temperature or pressure is needed.…”

Section: General Aspects Of Framework Flexibilitymentioning

confidence: 99%

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Flexibility in Metal–Organic Frameworks: A Basic Understanding

et al. 2019

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Much has been written about the fundamental aspects of the metal–organic frameworks (MOFs). Still, details concerning the MOFs with structural flexibility are not comprehensively understood. However, a dramatic increase in research activities concerning rigid MOFs over the years has brought deeper levels of understanding for their properties and applications. Nonetheless, robustness and flexibility of such smart frameworks are intriguing for different research areas such as catalysis, adsorption, etc. This manuscript overviews the different aspects of framework flexibility. The review has touched lightly on several ideas and proposals, which have been demonstrated within the selected examples to provide a logical basis to obtain a fundamental understanding of their synthesis and behavior to external stimuli.

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Section: General Aspects Of Framework Flexibilitymentioning

confidence: 99%

“…Aromatic rings with the capability of rotation or movement of dangling side chains of the organic ligands [20].…”

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confidence: 99%

Flexibility in Metal–Organic Frameworks: A Basic Understanding

et al. 2019

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“…Metal–organic frameworks (MOFs), also called porous coordination polymers (PCPs), are a class of porous materials commonly obtained by the facile hydrothermal or solvothermal reactions of metal ions and bridging organic ligands at relatively low temperatures . In the past two decades, extensive research has been devoted to developing new MOFs and to exploring their application potential in many fields, such as gas storage, separation, catalysis, sensing, and biomedicine . Early on, a handful of MOFs was found to show a low affinity toward water and a permanent porosity, and this class of hydrophobic MOFs later received increasing attention due to their potential for use in practical adsorption and separation processes, even under humid conditions or in water.…”

Section: Introductionmentioning

confidence: 99%

Hydrophobic Metal–Organic Frameworks: Assessment, Construction, and Diverse Applications

et al. 2020

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Tens of thousands of metal–organic frameworks (MOFs) have been developed in the past two decades, and only ≈100 of them have been demonstrated as porous and hydrophobic. These hydrophobic MOFs feature not only a rich structural variety, highly crystalline frameworks, and uniform micropores, but also a low affinity toward water and superior hydrolytic stability, which make them promising adsorbents for diverse applications, including humid CO2 capture, alcohol/water separation, pollutant removal from air or water, substrate‐selective catalysis, energy storage, anticorrosion, and self‐cleaning. Herein, the recent research advancements in hydrophobic MOFs are presented. The existing techniques for qualitatively or quantitatively assessing the hydrophobicity of MOFs are first introduced. The reported experimental methods for the preparation of hydrophobic MOFs are then categorized. The concept that hydrophobic MOFs normally synthesized from predesigned organic ligands can also be prepared by the postsynthetic modification of the internal pore surface and/or external crystal surface of hydrophilic or less hydrophobic MOFs is highlighted. Finally, an overview of the recent studies on hydrophobic MOFs for various applications is provided and suggests the high versatility of this unique class of materials for practical use as either adsorbents or nanomaterials.

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“…There has been a substantial increase in interest of MOFs owing to their attractive physicochemical characteristics such as high surface area, permanent porosity, abundant active sites, and flexible chemical structure [4][5][6][7][8][9]. To date, the main focus of MOF investigations is the optimization of their structures or properties, such as increasing the crystallinity and pore size, to develop their potential applications in gas storage [10][11][12][13], adsorption and separation [14][15][16][17], large molecule encapsulation [18][19][20], supercapacitors [21][22][23], energy conversion [24,25], chemical sensors [26][27][28], biomedicine [29,30], and catalysis [31][32][33]. However, the synthesis conditions of MOFs for eco-friendly and industrial scale-up were only sparsely investigated in both research and industrial laboratories [34,35].…”

Section: Introductionmentioning

confidence: 99%

Water-based routes for synthesis of metal-organic frameworks: A review

et al. 2020

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Although metal-organic frameworks (MOFs) show numerous advantages over other crystalline materials, their industrial relevances have been impeded owing to their many drawbacks such as environmental impacts and economic costs of their synthesis. A green preparation pathway could greatly reduce the environmental costs, energy, and the need for toxic organic solvents, and consequently reduce the production cost. Thus, the most desirable synthesis route is the replacement of harsh organic solvents with aqueous solutions to abate environmental and economic impacts. This review summarizes recent research advancements of water-based routes for MOF synthesis and gives a brief outline of the most prominent examples. The challenges and prospects of the commercialization of promising MOFs in the future are also presented. This study aims to offer necessary information regarding the green, sustainable, and industrially acceptable fabrication of MOFs for their commercial applications in the future.

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Applications of metal–organic frameworks for green energy and environment: New advances in adsorptive gas separation, storage and removal

Cited by 179 publications

References 213 publications

Flexibility in Metal–Organic Frameworks: A Basic Understanding

Flexibility in Metal–Organic Frameworks: A Basic Understanding

Hydrophobic Metal–Organic Frameworks: Assessment, Construction, and Diverse Applications

Water-based routes for synthesis of metal-organic frameworks: A review

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