Issue 32, 2022
From the journal:

Chemical Science

Three-dimensional microporous and mesoporous covalent organic frameworks based on cubic building units†

Li Liao,a   Xinyu Guan,a   Haorui Zheng,a   Zerong Zhang,a   Yaozu Liu,a   Hui Li,*a   Liangkui Zhu,a   Shilun Qiu,a   Xiangdong Yao*a  and  Qianrong Fang ORCID logo *a  

* Corresponding authors

a State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, P. R. China
E-mail: postlh@jlu.edu.cn, xdyao@jlu.edu.cn, qrfang@jlu.edu.cn

Abstract

Covalent organic frameworks (COFs) have attracted extensive interest due to their unique structures and various applications. However, structural diversities are still limited, which greatly restricts the development of COF materials. Herein, we report two unusual cubic (8-connected) building units and their derived 3D imine-linked COFs with bcu nets, JUC-588 and JUC-589. Owing to these unique building blocks with different sizes, the obtained COFs can be tuned to be microporous or mesoporous structures with high surface areas (2728 m2 g−1 for JUC-588 and 2482 m2 g−1 for JUC-589) and promising thermal and chemical stabilities. Furthermore, the high selectivity of CO2/N2 and CO2/CH4, excellent H2 uptakes, and efficient dye adsorption are observed. This research thus provides a general strategy for constructing stable 3D COF architectures with adjustable pores via improving the valency of rigid building blocks.

Graphical abstract: Three-dimensional microporous and mesoporous covalent organic frameworks based on cubic building units

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Article information

DOI
https://doi.org/10.1039/D2SC02365B
Article type
Edge Article
Submitted
27 Apr 2022
Accepted
15 Jul 2022
First published
15 Jul 2022
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2022,13, 9305-9309

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Three-dimensional microporous and mesoporous covalent organic frameworks based on cubic building units

L. Liao, X. Guan, H. Zheng, Z. Zhang, Y. Liu, H. Li, L. Zhu, S. Qiu, X. Yao and Q. Fang, Chem. Sci., 2022, 13, 9305 DOI: 10.1039/D2SC02365B

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