2024年5月9日 · Here, we report the first example of the chemical reconstruction of a 2D COF to a 3D COF with a complete lattice rearrangement facilitated by base-triggered boron hybridization. This chemical reconstruction involves the conversion of trigonal boronate ester linkages to tetrahedral anionic spiroborate linkages.

Photocatalytic covalent organic frameworks (COFs) are popular in the field of biomedical materials and also have potential as antimicrobial materials. Herein, a boron-based COF was used in antibacterial applications innovatively. The results of this study suggested that COF-1, the earliest boroxine COF, coul

2023年1月15日 · This disclosed method endowed the typical COFs with new emissive life and is speculated with the general research concept for all boron-containing COFs. Benefiting from the prominent fluorescent emission in the aggregation state, …

2025年2月15日 · For this purpose, zinc/ l-cysteine (ZC) inbuilt pH-sensitive covalent organic framework (COF) decorated two dimensional (2D) layered amino-functionalized (Si) oxidized hexagonal boron nitride (ZC-COF-Si-Oh-BN) container was prepared. Different analyses such as FT-IR, XRD, BET, XPS, TGA, TEM, and FE-SEM were utilized to evaluate the synthesized ...

前言本文主要总结一下共价有机框架（COFs）的一系列连接共价键 [1] [2]。 连接共价键 (Linkages)硼基键（环硼氧烷和硼酸酯）（boron-based linkage (boroxine and boronate ester)）醛与胺缩合形成的亚胺键（肼和β-…

2019年8月29日 · DFT calculations show a beneficial charge distribution and reduced energy barrier of RDS over boron sites in the COF, so that they are facile to bond with nitrogenous species under...

2022年3月23日 · Herein, a boron-based COF was used in antibacterial applications innovatively. The results of this study suggested that COF-1, the earliest boroxine COF, could produce a variety of reactive oxygen species (ROS) under visible light irradiation.

2024年5月31日 · 该工作报道了基于平面型硼酸酯到正四面体螺硼酸酯连接键转换实现2D到 3D COFs 的结构重构。 该工作将经典的硼酸酯COFs合成化学与新兴的正四面体螺硼酸酯 COFs合成化学联系了起来，加深了研究者们对于COFs动态共价化学的结晶过程的理解，拓展了对于有机硼化学的认知。 文中报道的基于硼化学的结构重构方法在合成新型螺硼酸酯COFs方面也具有广阔研究潜力，可用于已报道的2D硼酸酯COFs为前驱体制备无法直接合成得到的新型螺硼酸 …

通过基触发的硼杂化反应，实现了二维到三维共价有机框架的晶格重排，显著扩大了材料的孔径，为cofs在化学传感等领域的应用提供了新策略。chemsoon-三维cof材料专业供应商

2022年3月15日 · Using non-equilibrium molecular dynamics simulations, we reveal that inside the nanopores of TpTG multilayers, stable imine-linked covalent organic frameworks, water molecules will preferentially adsorb via the hydrogen bonding interaction.