共价有机框架在染料吸附中的研究进展

Research Progress of Covalent Organic Frameworks in Dye Adsorption

共价有机框架(Covalent Organic Frameworks,COFs)作为一种晶性的多孔有机聚合物,通过动态共价键和拓扑化学的设计,共价键连接有机单体构建的。基于其优异特性,高的稳定性、大的比表面积、永久的孔隙率、易于功能化和结构的可控性,使COFs在环境分析中应用广泛。介绍了COFs在功能、稳定性和孔隙方面的最新设计和改性,详细阐述了COFs吸附/移除染料分子的应用。总结和展望了COFs在环境分析中的挑战和未来的发展方向。

As crystalline porous organic polymers,covalent organic frameworks(COFs)are constructed by dynamic covalent bonding and topological chemistry designed to connect organic monomers through covalent bonds.Based on their high stability,large specific surface area,permanent porosity,accessible functionalization,and controllable structure,COFs are widely used in environmental analysis.The latest design and modification of COFs in terms of functionality,stability and pore size are reviewed.The application of COFs for adsorption/removal of dye molecules is described indetail.The challenges and future directions of COFs in environmental analysis are summarized and prospected.