A Three-dimensional Covalent Organic Framework for CO2 Uptake and Dyes Adsorption
Chemical Research in Chinese Universities(2022)
摘要
Environmental pollution is one of the most severe problems facing today, including water pollution and the greenhouse effect. Therefore, developing materials with high-efficiency dyes adsorption and CO2 uptake is significant. Covalent organic frameworks(COFs), as a burgeoning class of crystalline porous polymers, present a promising application potential in areas related to pollution regulation due to their exciting surface properties. Herein, we report a 3D COF with a high specific surface area(BET about 2072 m2/g) by utilizing tetrahedral and rectangle building blocks connected through [4+4] imine condensation reactions to synthesize. The obtained COF not only can separate dyes from water effectively but also shows a remarkable CO2 uptake capacity. This research thus provides a promising material to remove dyes and adsorb CO2 in environmental remediation.
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关键词
Covalent organic framework,Dye adsorption,CO2 uptake
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