Construction of microporous covalent organic frameworks for high gas uptake capacities

Construction of microporous covalent organic frameworks for high gas uptake capacities

Covalent organic frameworks (COFs) show excellent stability, high porosity, and a designable skeleton, making them an ideal platform for gas capture. Here, two microporous COFs (M-COFs) were synthesized using short building blocks, which were advantageous for gas uptake through the pores. Additional...

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Veröffentlicht in:New journal of chemistry 2023-11, Vol.47 (46), p.21485-21489
Hauptverfasser: Zhang, Chunyu, Zhao, Yanning, Li, Jiajun, Zhang, Yuwei, Wei, Dongxue, Xing, Ce, Luo, Xiaolong
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Carbon dioxide
Iodine
Nitrogen atoms
Porosity
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container_end_page 21489
container_issue 46
container_start_page 21485
container_title New journal of chemistry
container_volume 47
creator Zhang, Chunyu
Zhao, Yanning
Li, Jiajun
Zhang, Yuwei
Wei, Dongxue
Xing, Ce
Luo, Xiaolong
description Covalent organic frameworks (COFs) show excellent stability, high porosity, and a designable skeleton, making them an ideal platform for gas capture. Here, two microporous COFs (M-COFs) were synthesized using short building blocks, which were advantageous for gas uptake through the pores. Additionally, the presence of abundant oxygen and nitrogen atoms on the walls of M-COFs further improved the gas uptake ability through weak interactions. Notably, the M-COFs exhibited high gas capture values (carbon dioxide: 72.5 cm 3 g −1 ; methane: 35.2 cm 3 g −1 ; iodine: 4.74 g g −1 ). This design has opened a new pathway for enhancing gas capture, hence addressing urgent environmental issues. Covalent organic frameworks (COFs) show excellent stability, high porosity, and a designable skeleton, making them an ideal platform for gas capture.
doi_str_mv 10.1039/d3nj04595a
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source Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects Carbon dioxide
Iodine
Nitrogen atoms
Porosity
title Construction of microporous covalent organic frameworks for high gas uptake capacities
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