A nested Cu24@Cu72-based copper–organic polyhedral framework for selective adsorption of cationic dyes

Jin-Hua Liu; Li-Dan Lin; Xin-Xiong Li; Dan Zhao; Yan-Qiong Sun; Shou-Tian Zheng

doi:10.1039/C9CC03288F

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A nested Cu₂₄@Cu₇₂-based copper–organic polyhedral framework for selective adsorption of cationic dyes†

Jin-Hua Liu,^a Li-Dan Lin,^a Xin-Xiong Li,

^a Dan Zhao,^b Yan-Qiong Sun

*^a and Shou-Tian Zheng

*^a

Author affiliations

* Corresponding authors

^a State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
E-mail: sunyq@fzu.edu.cn, stzheng@fzu.edu.cn

^b Fuqing Branch of Fujian Normal University, Fuqing, Fujian 350300, China

Abstract

A nested Cu₂₄@Cu₇₂ copper–organic framework, [Cu₅(bdc)₄(ina)₂(H₂O)₃]·solvent (1, H₂bdc = 1,3-benzenedicarboxylic acid and Hina = isonicotinic acid) based on paddlewheel Cu₂(COO)₄ SBUs, has been synthesized. There are three types of cages with different sizes and shapes: Cu₂₄-cage, Cu₆₀-cage and Cu₇₂-cage. The Cu₇₂-cage, which is the highest-nuclearity Cu-cage reported to date, encapsulates a Cu₂₄-cage to form a double-walled Cu₂₄@Cu₇₂ cage-within-cage structure. Dye adsorption studies reveal that compound 1 can rapidly and selectively adsorb cationic dyes.

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Article information

DOI: https://doi.org/10.1039/C9CC03288F
Article type: Communication
Submitted: 28 Apr 2019
Accepted: 29 May 2019
First published: 30 May 2019

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Chem. Commun., 2019,55, 7394-7397

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A nested Cu₂₄@Cu₇₂-based copper–organic polyhedral framework for selective adsorption of cationic dyes

J. Liu, L. Lin, X. Li, D. Zhao, Y. Sun and S. Zheng, Chem. Commun., 2019, 55, 7394 DOI: 10.1039/C9CC03288F

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