Three-Dimensional Large-Pore Covalent Organic Framework with stp Topology

Journal of the American Chemical Society
Hui LiQianrong Fang

Abstract

Three-dimensional (3D) covalent organic frameworks (COFs) are excellent crystalline porous polymers for numerous potential applications, but their building units and topological nets have been limited. Herein we report the design and synthesis of the first 3D large-pore COF with the stp topology constructed from a 6-connected triptycene-based monomer. The new COF (termed JUC-564) has a high specific surface area (up to 3300 m2 g-1), the largest pore size among 3D COFs (43 Å), and record-breaking low density among crystalline materials reported to date (0.108 g cm-3). The large pore size of JUC-564 was confirmed by the incorporation of a protein. This study expands the structural varieties of 3D COFs based on the deliberate symmetry-guided design principle as well as their applications for adsorption and separation of large biological molecules.

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Citations

Feb 11, 2021·Journal of the American Chemical Society·Hui LiQianrong Fang
Feb 9, 2021·Angewandte Chemie·Marta Martínez-AbadíaAurelio Mateo-Alonso
Mar 9, 2021·Angewandte Chemie·Jinqiao DongDan Zhao
May 13, 2021·Chemical Communications : Chem Comm·Yu-Diao LinShou-Tian Zheng
Jul 6, 2021·Chemical Science·Jianhong ChangQianrong Fang
Jul 2, 2021·Journal of the American Chemical Society·Liangjun ChenYongwu Peng
Jul 10, 2021·Advanced Materials·Pengfei SheQichun Zhang
May 15, 2021·Angewandte Chemie·Ralph FreundStefan Wuttke
Aug 10, 2021·Chemical Communications : Chem Comm·Chitra SarkarJohn Mondal
Sep 9, 2020·Accounts of Chemical Research·Bo GuiCheng Wang
Dec 18, 2020·Journal of the American Chemical Society·Zonglong LiXiangming He
Sep 14, 2021·Journal of the American Chemical Society·Xue WangAndrew I Cooper
Sep 18, 2021·Journal of the American Chemical Society·Shitao WangDapeng Cao
Sep 21, 2021·Chemical Communications : Chem Comm·Miaomiao WuGen Zhang
Aug 12, 2021·Angewandte Chemie·Rongran LiangChenfeng Ke
Nov 10, 2021·Organic & Biomolecular Chemistry·Meng-Jie GuChuan-Feng Chen

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