Grignard synthesis of fluorinated nanoporous element organic frameworks based on the heteroatoms P, B, Si, Sn and Ge

Kann, Anna; Krüger, Andreas; Rose, Marcus; Hausoul, Peter J. C.

doi:10.1039/c9py01193e

Cited by 2 publications

(2 citation statements)

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“…Meanwhile, the peak at 156 ppm corresponds to the phenyl carbons attached to fluorine and the two peaks at 129 and 117 ppm are ascribed to the other phenyl carbons. 36,38 As determined by elemental analysis, the C, H, and N contents in 2F-CTF were in accordance with the theoretical values.…”

Section: Resultssupporting

confidence: 79%

Defluorinated Porous Carbon Nanomaterials for CO₂ Capture

Ren

Wang

et al. 2021

ACS Appl. Nano Mater.

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This paper described a facile preparation of a fluorinated covalent triazine framework (2F-CTF) via an AlCl 3 -catalyzed Friedel−Crafts reaction and the employment of 2F-CTF as the precursor to prepare defluorinated porous carbon nanomaterials (df-CTF-KT) with the aid of KOH. The C−F bonds can generate reactive fluorinated species during carbonization and etch the precursor's backbone to afford improved porosity. Especially, df-CTF-K700 exhibited a higher surface area and microporosity when compared with the precursor 2F-CTF (1914 vs 1122 m 2 g −1 and 0.633 vs 0.282 cm 3 g −1 ) and thus afforded increased CO 2 uptake under 1 bar (391 vs 215 mg g −1 at 273 K and 218 vs 101 mg g −1 at 298 K). A non-fluorinated CTF and its carbonization product were synthesized to understand the important role of fluorine in CTFs and porous carbon nanomaterials. Both 2F-CTF and df-CTF-K700 showed higher CO 2 uptake capacity than the non-fluorinated CTF and derived porous carbons, respectively. Importantly, the CO 2 uptake capacity of df-CTF-K700 is much better than most of the reported porous carbons and other porous adsorbents, and the Q st value at zero coverage is 27.3 kJ mol −1 , affording the facile desorption process.

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Section: Resultssupporting

confidence: 79%

Defluorinated Porous Carbon Nanomaterials for CO₂ Capture

Ren

Wang

et al. 2021

ACS Appl. Nano Mater.

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“…It is worthy of mentioning that Kaskel's group and Hausoul group used similar halides (PCl 3 and SiCl 4 ) and aryl-lithium and aryl-Grignard reagents as the starting materials to construct MG-aPOPs [106][107][108] . However, the use of highly reactive organometallic reagents limited the scope of starting materials that are sensitive to the strong nucleophilic organometallic reagents.…”

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confidence: 99%

Amorphous porous organic polymers containing main group elements

Zhang,

Liu,

Xue

et al. 2023

Commun Chem

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Amorphous porous organic polymers (aPOPs) are a type of highly crosslinked polymers. These polymers are generally constructed from rigid organic building blocks, which have become an important subclass of POPs with diverse applications. In the early stage of development, a wide range of carbon-based building blocks and network forming chemistry afforded a large library of aPOPs with rich structures and properties. Recently, implanting main group elements with diverse geometric structures and electronic configurations into aPOPs has proven to be a useful tool to fine-tune the structures and properties of these polymers. Herein, we outline the recent advances in the field of main group (MG)-aPOPs where main-group elements either played unique roles in tuning the structures and properties of MG-aPOPs, or offered new strategies in the synthesis of MG-aPOPs. Furthermore, this Review discusses various challenges remaining in the field from the perspectives of synthetic strategies and characterization techniques, and presents some specific studies that may potentially address the challenges.

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Grignard synthesis of fluorinated nanoporous element organic frameworks based on the heteroatoms P, B, Si, Sn and Ge

Abstract: We present the synthesis and characterization of fluorinated polymers based on P, B, Si, Sn and Ge as heteroatoms via Grignard activation.

Cited by 2 publications

References 44 publications

Defluorinated Porous Carbon Nanomaterials for CO₂ Capture

Defluorinated Porous Carbon Nanomaterials for CO₂ Capture

Amorphous porous organic polymers containing main group elements

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Grignard synthesis of fluorinated nanoporous element organic frameworks based on the heteroatoms P, B, Si, Sn and Ge

Abstract: We present the synthesis and characterization of fluorinated polymers based on P, B, Si, Sn and Ge as heteroatoms via Grignard activation.

Cited by 2 publications

References 44 publications

Defluorinated Porous Carbon Nanomaterials for CO2 Capture

Defluorinated Porous Carbon Nanomaterials for CO2 Capture

Amorphous porous organic polymers containing main group elements

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Product

Resources

About

Defluorinated Porous Carbon Nanomaterials for CO₂ Capture

Defluorinated Porous Carbon Nanomaterials for CO₂ Capture