High iodine uptake in two-dimensional covalent organic frameworks

Lingyan Zhang; Jinheng Li; Huixin Zhang; Yu Liu; Yumeng Cui; Fenchun Jin; Ke Wang; Guiyan Liu; Yanli Zhao; Yongfei Zeng

doi:10.1039/d1cc00737h

High iodine uptake in two-dimensional covalent organic frameworks

Chem Commun (Camb). 2021 Jun 3;57(45):5558-5561. doi: 10.1039/d1cc00737h.

Authors

Lingyan Zhang¹, Jinheng Li¹, Huixin Zhang¹, Yu Liu², Yumeng Cui¹, Fenchun Jin¹, Ke Wang¹, Guiyan Liu¹, Yanli Zhao³, Yongfei Zeng¹

Affiliations

¹ Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry (Ministry of Education), College of Chemistry, Tianjin Normal University, Tianjin, 300387, P. R. China. guiyanliu2013@163.com yfzeng@nankai.edu.cn.
² Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry (Ministry of Education), College of Chemistry, Tianjin Normal University, Tianjin, 300387, P. R. China. guiyanliu2013@163.com yfzeng@nankai.edu.cn and Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore. zhaoyanli@ntu.edu.sg.
³ Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore. zhaoyanli@ntu.edu.sg.

PMID: 33969842
DOI: 10.1039/d1cc00737h

Abstract

Two 2-dimensional covalent organic frameworks (COFs; TJNU-203 and TJNU-204) with high crystallinity and large specific surface area are rationally fabricated using a three-connected distorted building block and linear linkers. The two COFs show high iodine uptake (5.885 g g-1 for TJNU-203 and 5.335 g g-1 for TJNU-204) on account of physical-chemical adsorption, which make them one among the best porous materials for iodine adsorption.