Pillar[5]arene-based fluorescent polymer for selective detection and removal of mercury ions

被引：23
作者：
Chen, Jin-Fa [1 ]
Han, Bing-Bing [1 ]
Ma, Jin-Feng [1 ]
Liu, Xi [1 ]
Yang, Qing-Yu [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, Key Lab Ecoenvironm Related Polymer Mat,Minist Ed, Lanzhou 730070, Gansu, Peoples R China
来源：
RSC ADVANCES | 2017年 / 7卷 / 75期
基金：
中国国家自然科学基金;
关键词：
METAL-ORGANIC FRAMEWORKS; CONJUGATED POLYMERS; FACILE REMOVAL; WATER; ACID; CHEMOSENSOR; SENSOR; RECOGNITION; STRATEGIES; HYDROGELS;
D O I：
10.1039/c7ra10326c
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel pillar[5]arene-based thioacetohydrazone functionalized fluorescent polymer was designed and synthesized. This polymer not only contains pillar[5] arene units as the fluorophore (signal transducer) but also embedded the thioacetohydrazone group as the ionophore (cation receptor). Therefore, it displays specificity response for mercury ion over other common cations (Mg2+, Ca2+, Zn2+, Co2+, Fe3+, Pb2+, Cd2+, Ni2+, Tb3+, Cu2+, Eu3+, Fe2+, Cr3+, Ag+ and La3+) in DMSO/H2O (1 : 1, v/v). Competitive cations did not show any significant changes in emission intensity and the fluorescence spectra detection limit was 8.12 x 10(-7) M, indicating the high selectivity and sensitivity of the polymer towards Hg2+. Meanwhile, this polymer can efficiently remove Hg2+ from water.
引用
收藏
页码：47709 / 47714
页数：6
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