Optimizing zirconium metal–organic frameworks through steric tuning for efficient removal of Cr2O72−

Xiurong Zhang; Weidong Fan; Mingyue Fu; Weifeng Jiang; Kebin Lu; Yutong Wang; Daofeng Sun

doi:10.1039/D0CC04007J

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Optimizing zirconium metal–organic frameworks through steric tuning for efficient removal of Cr₂O₇²⁻†

Xiurong Zhang,^a Weidong Fan,*^a Mingyue Fu,^a Weifeng Jiang,^b Kebin Lu,^a Yutong Wang

^a and Daofeng Sun

*^ab

Author affiliations

* Corresponding authors

^a College of Science, China University of Petroleum (East China), Qingdao, Shandong 266580, People's Republic of China
E-mail: weidongfan@163.com, dfsun@upc.edu.cn

^b School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, People's Republic of China

Abstract

A ligand with a flexible conformation can be obtained by modifying functional groups. We modified H₄DCBA with –CH₃/–CF₃ groups to construct three Zr-MOFs; the torsion of the central benzene ring changes the topologies. The three Zr-MOFs showed high adsorption rates for Cr₂O₇²⁻, and the CF₃-functional groups enhanced the adsorption capacity of UPC-49 for Cr₂O₇²⁻.

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Article information

DOI: https://doi.org/10.1039/D0CC04007J
Article type: Communication
Submitted: 08 Jun 2020
Accepted: 21 Jul 2020
First published: 30 Jul 2020

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Chem. Commun., 2020,56, 10513-10516

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Optimizing zirconium metal–organic frameworks through steric tuning for efficient removal of Cr₂O₇²⁻

X. Zhang, W. Fan, M. Fu, W. Jiang, K. Lu, Y. Wang and D. Sun, Chem. Commun., 2020, 56, 10513 DOI: 10.1039/D0CC04007J

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Chemical Communications