2019年6月6日 · Here we report a scalable solution-processing approach to synthesize a family of two-dimensional (2D) COFs with trans -disubstituted C = C linkages via condensation reaction at arylmethyl carbon...

2018年7月3日 · Covalent organic frameworks (COFs) distinguish themselves from conventional polymers by three defining features: covalent connectivity, porosity, and crystallinity. This...

2018年7月31日 · Developing COFs with improved robustness and π-delocalization is highly desirable but remains an unsettled challenge. Here we report a facile strategy that transforms imine-linked COFs into...

2019年12月30日 · Among the various types of COFs, highly oriented COF thin films with a layered structure have received great attention as one of the most promising organic-based two-dimensional (2D) materials due to their modifiability, flexibility, and multifunctional properties.

2012年11月15日 · Two new chemically stable [acid and base] 2D crystalline covalent organic frameworks (COFs) (TpPa-1 and TpPa-2) were synthesized using combined reversible and irreversible organic reactions.

2022年5月25日 · 2D covalent organic frameworks (COFs) are considered as one kind of the most promising crystalline porous materials for solar-driven hydrogen production. However, adding noble metal co-catalysts into the COFs-based photocatalytic system is always indispensable.

2024年1月19日 · 二维共价有机框架 (covalent organic frameworks, COFs) 是由层内共价键和层间有序堆积构成的结晶多孔有机聚合物，与传统聚合物相比，其具有大的比表面积、高的结构有序性和可设计性以及丰富的活性位点，在催化、分离、储能及光电等领域都展现出巨大的应用前景。 在具有共轭结构的2D COFs中，由刚性构筑单元连接形成的平面网络使得电荷能够沿着层内共轭骨架有效传输，而层间的π-π堆积则形成了沿着层间路径的电荷传输通道。 这使得2D COFs在光电 …

2024年4月1日 · In this paper we employ a commercially available covalent organic framework (COF), TpPa-1, and force field models to molecularly map separation performance of TpPa-1 membrane in mixed solvents.

什么是COF材料？共价有机框架（covalent organic frameworks，COFs）是一类新兴的多孔晶体材料，近年来得到迅速发展。COF材料以各种共价键连接原子从而构建框架结构，由于其共轭骨架和孔隙率的优势，二维COF已被广…

2015年12月22日 · Crystallinity and porosity are of central importance for many properties of covalent organic frameworks (COFs), including adsorption, diffusion, and electronic transport. We have developed a new method for strongly enhancing both aspects through the introduction of a modulating agent in the synthesis.