Covalent Organic Framework with Frustrated Bonding Network for Enhanced Carbon Dioxide Storage

Gao, Qiang; Li, Xing; Ning, Guo‐Hong; Xu, Hai‐Sen; Liu, Cuibo; Tian, Bingbing; Tang, Wei; Loh, Kian Ping

doi:10.1021/acs.chemmater.8b00117

Cited by 199 publications

(137 citation statements)

References 44 publications

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“…Dichtel's and Bein's groups employed monomer‐truncation strategy to create defects for functionalization of COFs. Meanwhile, Yaghi's, Lotsch's, Loh's, and Dong's groups constructed defective COFs via precise controlling the reaction solvent and conditions. As a whole, introducing defects into COFs maybe a good method for enlarging applications and tailoring structures of COFs.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, Bein's group synthesized TpBD(NH 2 ) 2 containing nucleophilic amine functional group for postfunctionalization via two‐step method, which is difficult to obtain in chemically stable COFs by direct synthesis . Loh's group constructed TPE‐COF‐II with unreacted aldehyde groups in pore walls by carefully selecting reaction solvent . In addition, Yaghi's and Lotsch's groups obtained COFs with free amine groups, but have not been utilized for further postfunctionalization.…”

Section: Introductionmentioning

confidence: 99%

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Defective 2D Covalent Organic Frameworks for Postfunctionalization

Liu

et al. 2020

Adv Funct Materials

130

107

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Defects are deliberately introduced into covalent organic frameworks (COFs) via a three‐component condensation strategy. The defective COFs (dCOF‐NH2‐Xs, X = 20, 40, and 60) possess favorable crystallinity and porosity, as well as have active amine functional groups as anchoring sites for further postfunctionalization. By introducing imidazolium functional groups onto the pore walls of COFs via the Schiff‐base reaction, dCOF‐ImBr‐Xs‐ and dCOF‐ImTFSI‐Xs‐based materials are employed as all‐solid‐state electrolytes for lithium‐ion conduction with a wide range of working temperatures (from 303 to 423 K), and the ion conductivity of dCOF‐ImTFSI‐60‐based electrolyte reaches 7.05 × 10−3 S cm−1 at 423 K. As far as it is known, it is the highest value for all polymeric crystalline porous material based all‐solid‐state electrolytes. Furthermore, Li/dCOF‐ImTFSI‐60@Li/LiFePO4 all‐solid Li‐ion battery displays satisfactory battery performance under 353 K. This work not only provides a new methodology to construct COFs with precisely controlled defects for postfunctionalization, but also makes them promising candidate materials as all‐solid‐state electrolytes for lithium‐ion batteries operate at high temperatures.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Defective 2D Covalent Organic Frameworks for Postfunctionalization

Liu

et al. 2020

Adv Funct Materials

130

107

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“…[27,[39][40][41] The self-condensation of C 2 -o rC 3 -symmetric monomers also yields microporous hexagonal COFs (Figure 3f,g). [26,27,42,43] The[ C 4 + C 4 ]g eometry diagram allows the direct construction of microporous tetragonal skeletons ( Figure 3h); [44] in this case,both units occupy the knots of the framework.…”

Section: Symmetric Topology Diagramsmentioning

confidence: 99%

Covalent Organic Frameworks: Chemical Approaches to Designer Structures and Built‐In Functions

et al. 2019

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A new approach has been developed to design organic polymers using topology diagrams. This strategy enables covalent integration of organic units into ordered topologies and creates a new polymer form, that is, covalent organic frameworks. This is a breakthrough in chemistry because it sets a molecular platform for synthesizing polymers with predesignable primary and high‐order structures, which has been a central aim for over a century but unattainable with traditional design principles. This new field has its own features that are distinct from conventional polymers. This Review summarizes the fundamentals as well as major progress by focusing on the chemistry used to design structures, including the principles, synthetic strategies, and control methods. We scrutinize built‐in functions that are specific to the structures by revealing various interplays and mechanisms involved in the expression of function. We propose major fundamental issues to be addressed in chemistry as well as future directions from physics, materials, and application perspectives.

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“…Next, El-Kaderi et al synthesized 3-D COFs with high crystallinity by condensation reactions of tetrahedral tetra(4-dihydroxyborylphenyl) methane to create COF-102 with a surface area of 3,472 m 2 /g or tetra(4dihydroxyborylphenyl) silane to synthesize COF-103 with a surface area of 4,210 m 2 /g . COFs synthesized for CO 2 storage include azo (Ge et al, 2016), azine (Li Z. et al, 2014;Li et al, 2015), imine (Rabbani et al, 2013;Huang et al, 2015a,b;Zhai et al, 2017;Gao et al, 2018), and triazine linkers. The advent of reticular chemistry has inspired computational chemists to simulate COFs for the hope of better optimizing CO 2 capture (Zeng et al, 2016).…”

Section: Designing Cofs For Co 2 Adsorptionmentioning

confidence: 99%

Covalent Organic Frameworks for the Capture, Fixation, or Reduction of CO2

Ozdemir

Mosleh²,

Abolhassani³

et al. 2019

Front. Energy Res.

109

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Covalent organic frameworks (COFs) are porous crystalline organic polymers which have been the subject of immense research interest in the past 10 years. COF materials are synthesized by the covalent linkage of organic molecules bonded in a repeating fashion to form a porous crystal that is ideal for gas adsorption and storage. Chemists have strategically designed COFs for the purpose of heterogeneous catalysis of gaseous reactants. Presented in this critical review are efforts toward developing COFs for the sequestration of CO 2 from the atmosphere. Researchers have determined the CO 2 adsorption capabilities of several COFs is competitive with the highest surface area materials. Engineering the pore environment of COFs with chemical moieties that interact with CO 2 have increased the CO 2 adsorption performance. The installation of CO 2 binding moieties in the COF has made possible the selective adsorption of CO 2 over other gases such as N 2 . The high degree of control of internal pore composition in COFs is coupled with high CO 2 adsorption to develop heterogeneous catalysts for the conversion of CO 2 to value added products. Two notable examples of this catalysis are the fixation of CO 2 to epoxides for the synthesis of cyclic carbonates and the reduction of CO 2 to CO. Recent examples of COFs for the capture of CO 2 will be discussed followed by COF catalysts which use CO 2 as a feedstock for the production of value-added products.

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Covalent Organic Framework with Frustrated Bonding Network for Enhanced Carbon Dioxide Storage

Cited by 199 publications

References 44 publications

Defective 2D Covalent Organic Frameworks for Postfunctionalization

Defective 2D Covalent Organic Frameworks for Postfunctionalization

Covalent Organic Frameworks: Chemical Approaches to Designer Structures and Built‐In Functions

Covalent Organic Frameworks for the Capture, Fixation, or Reduction of CO2

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