Molecular weaving of chicken-wire covalent organic frameworks
作者:Xing Han、Tianqiong Ma、Brent L. Nannenga、Xuan Yao、S. Ephraim Neumann、Punit Kumar、Junpyo Kwon、Zichao Rong、Kaiyu Wang、Yuebiao Zhang、Jorge A.R. Navarro、Robert O. Ritchie、Yong Cui、Omar M. Yaghi
DOI:10.1016/j.chempr.2023.07.015
日期:2023.9
Molecular weaving is the interlacing of covalently linked threads to make extended structures. Although weaving based on 3D networks has been reported, the 2D forms remain largely unexplored. Reticular chemistry uses mutually embracing tetrahedral metal complexes as crossing points, which, when linked, typically lead to 3D woven structures. Realizing 2D weaving patterns requires crossing points with
分子编织是共价连接线的交织以形成扩展结构。尽管基于 3D 网络的编织已有报道,但 2D 形式仍然很大程度上未被探索。网状化学使用相互拥抱的四面体金属配合物作为交叉点,当连接时,通常会形成 3D 编织结构。实现二维编织图案需要具有整体平面几何形状的交叉点。我们表明,由多个金属络合物单元组成的多核螺旋,因此具有多个转角,非常适合这方面。通过网状螺旋单元,我们成功地获得了基于熟悉的鸡丝图案的二维编织结构。