Issue 30, 2013
From the journal:

Journal of Materials Chemistry A

Accumulation of versatile iodine species by a porous hydrogen-bonding Cu(ii) coordination framework†

Lei Fu,a   Yu Liu,a   Mei Pan,*ab   Xiao-Jun Kuang,a   Cheng Yan,a   Kang Li,a   Shi-Chao Weia  and  Cheng-Yong Su*a  

* Corresponding authors

a MOE Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou, 510275, P. R. China
E-mail: panm@mail.sysu.edu.cn, cesscy@mail.sysu.edu.cn
Fax: +86 20-8411-5178

b State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China

Abstract

A microporous coordination framework formed by hydrogen-bonding directed assembly of Cu(II) hexanuclear rings can act as a host for iodine accumulation in an aqueous solution. Various iodine species, I−, I3− or I2, are able to be trapped in the hydrophilic voids of the crystals via a single-crystal-to-single-crystal ion-exchange process. The chemical nature of the iodine species encapsulated inside the coordination framework have been established by single crystal and powder XRD, IR, XPS, EA, TG and iodometric methods. Furthermore, the accumulated iodine species can be easily extracted from the crystals by organic solvents. The kinetics of I3− release from the crystals by extraction with ethanol has been studied.

Graphical abstract: Accumulation of versatile iodine species by a porous hydrogen-bonding Cu(ii) coordination framework

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Article information

DOI
https://doi.org/10.1039/C3TA11157A
Article type
Paper
Submitted
21 Mar 2013
Accepted
09 May 2013
First published
10 May 2013

J. Mater. Chem. A, 2013,1, 8575-8580

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Accumulation of versatile iodine species by a porous hydrogen-bonding Cu(II) coordination framework

L. Fu, Y. Liu, M. Pan, X. Kuang, C. Yan, K. Li, S. Wei and C. Su, J. Mater. Chem. A, 2013, 1, 8575 DOI: 10.1039/C3TA11157A

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