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A pillar[5]arene-based multiple-stimuli responsive metal–organic gel was constructed for facile removal of mercury ions

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Abstract

A thioacetohydrazide functionalized pillar[5]arene was synthesized, which could further assemble into a linear supramolecular metal–organic polymer upon adding Zn2+. Furthermore, the obtained linear supramolecular metal–organic polymer could self-assemble to form a fluorescent supramolecular metal–organic gel at high concentration. When TBAOH was added to the viscous solution at high temperature, the obtained solution could not form a supramolecular metal–organic gel upon cooling. More importantly, when Hg2+ ions are added to the metal–organic gel, the strong blue fluorescence is clearly quenched, and this metal–organic gel (xerogel) could effectively remove Hg2+ from water. Simultaneously, a thin film based on the metal–organic gel was prepared, which was confirmed to be a convenient test kit for detecting Hg2+.

Graphical abstract: A pillar[5]arene-based multiple-stimuli responsive metal–organic gel was constructed for facile removal of mercury ions

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Publication details

The article was received on 05 Jun 2017, accepted on 26 Jun 2017 and first published on 26 Jun 2017


Article type: Paper
DOI: 10.1039/C7SM01118K
Citation: Soft Matter, 2017, Advance Article
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    A pillar[5]arene-based multiple-stimuli responsive metal–organic gel was constructed for facile removal of mercury ions

    J. Chen, X. Liu, J. Ma, B. Han, J. Ding, Q. Lin, H. Yao, Y. Zhang and T. Wei, Soft Matter, 2017, Advance Article , DOI: 10.1039/C7SM01118K

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