Pillar[5]arene-based multifunctional supramolecular hydrogel: multistimuli responsiveness, self-healing, fluorescence sensing, and conductivity

被引:64
作者
Chen, Jin-Fa [1 ]
Lin, Qi [1 ]
Yao, Hong [1 ]
Zhang, You-Ming [1 ]
Wei, Tai-Bao [1 ]
机构
[1] Northwest Normal Univ, Coll Chem & Chem Engn, Key Lab Polymer Mat Gansu Prov,Minist Educ China, Key Lab Ecoenvironm Related Polymer Mat, Lanzhou 730070, Gansu, Peoples R China
基金
中国国家自然科学基金;
关键词
MOLECULAR RECOGNITION; POLYMERS; WATER; COMPLEXATION; GEL; CONSTRUCTION; CHEMISTRY; BINDING;
D O I
10.1039/c8qm00065d
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A novel pillar[5]arene-based multifunctional supramolecular hydrogel (HG) has been successfully constructed. The obtained supramolecular hydrogel shows excellent self-healing capacity. Meanwhile, this supramolecular hydrogel exhibited good multi-stimuli responsive behavior including thermal-responsiveness, pH-responsiveness, anion-responsiveness, and competitive agent-responsiveness. In addition, this hydrogel could effectively detect iron ions (Fe3+) by fluorescence. The fluorescence spectra detection limit was 7.86 x 10(-10) M, indicating the ultra-sensitivity of the hydrogel to Fe3+. The thin film based on this hydrogel was also prepared, which was confirmed to be a convenient test kit for detecting Fe3+. Furthermore, this supramolecular hydrogel (HG) is also an excellent conductive material.
引用
收藏
页码:999 / 1003
页数:5
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