Two nanocage anionic metal–organic frameworks with rht topology and {[M(H2O)6]6}12+ charge aggregation for rapid and selective adsorption of cationic dyes

Zhifeng Zhu; Yue-Ling Bai; Liangliang Zhang; Daofeng Sun; Jianhui Fang; Shourong Zhu

doi:10.1039/C4CC07365G

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Two nanocage anionic metal–organic frameworks with rht topology and {[M(H₂O)₆]₆}¹²⁺ charge aggregation for rapid and selective adsorption of cationic dyes†

Zhifeng Zhu,^a Yue-Ling Bai,*^a Liangliang Zhang,^b Daofeng Sun,*^b Jianhui Fang^a and Shourong Zhu*^a

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* Corresponding authors

^a Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, P. R. China
E-mail: yuelingbai@shu.edu.cn, shourongzhu@shu.edu.cn

^b College of Science, China University of Petroleum (East China), Qingdao, Shandong 266580, P. R. China
E-mail: dfsun@upc.edu.cn

Abstract

Two rht anionic metal–organic frameworks were synthesized. There are six [M(H₂O)₆]²⁺ ions held together by a super-strong H-bond and arranged in a regular octahedron in each medium cage. Dye adsorption studies revealed a rapid and selective adsorption of cationic dyes and the adsorbed dyes can be released in saturated NaCl aqueous solution.

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Article information

DOI: https://doi.org/10.1039/C4CC07365G
Article type: Communication
Submitted: 18 Sep 2014
Accepted: 07 Oct 2014
First published: 08 Oct 2014

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Chem. Commun., 2014,50, 14674-14677

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Two nanocage anionic metal–organic frameworks with rht topology and {[M(H₂O)₆]₆}¹²⁺ charge aggregation for rapid and selective adsorption of cationic dyes

Z. Zhu, Y. Bai, L. Zhang, D. Sun, J. Fang and S. Zhu, Chem. Commun., 2014, 50, 14674 DOI: 10.1039/C4CC07365G

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