Journal
SOFT MATTER
Volume 13, Issue 30, Pages 5214-5218Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7sm01118k
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Funding
- National Natural Science Foundation of China (NSFC) [21662031, 21661028, 21574104, 21262032]
- Program for Changjiang Scholars and Innovative Research Team in University of the Ministry of Education of China [IRT 15R56]
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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+.
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