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†

Lingyan Zhang,‡^a Jinheng Li,‡^a Huixin Zhang,^a Yu Liu,^ab Yumeng Cui,^a Fenchun Jin,^a Ke Wang,

^a Guiyan Liu,

*^a Yanli Zhao

*^b and Yongfei Zeng

*^a

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* Corresponding authors

^a 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, P. R. China
E-mail: guiyanliu2013@163.com, yfzeng@nankai.edu.cn

^b Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore
E-mail: zhaoyanli@ntu.edu.sg

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.

Chemical Communications

High iodine uptake in two-dimensional covalent organic frameworks†

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High iodine uptake in two-dimensional covalent organic frameworks

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