A Three-dimensional Covalent Organic Framework for CO₂ Uptake and Dyes Adsorption

Abstract

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.

Keywords

Covalent organic framework / Dye adsorption / CO₂ uptake

References

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