A thiophene-derived hexaazatriphenylene (HAT) fluorescent sensor for the selective detection of Ag+ ion

被引：13

作者：

Zhang, Xiang ^{[1
]}

Fan, Yu ^{[2
]}

Zhan, Tian-Guang ^{[3
]}

Qi, Qiao-Yan ^{[2
]}

Zhao, Xin ^{[2
]}

机构：

[1] Hunan Chem Vocat Technol Coll, Coll Chem Engn, Zhuzhou 310027, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Organ Chem, Key Lab Synthet & Self Assembly Chem Organ Funct, Shanghai 200032, Peoples R China

[3] Zhejiang Normal Univ, Coll Chem & Life Sci, Key Lab, Minist Educ Adv Catalysis Mat, 688 Yingbin Rd, Jinhua 321004, Zhejiang, Peoples R China

来源：

TETRAHEDRON LETTERS | 2021年 / 68卷

关键词：

Host-guest systems; Ag+ sensor; Ion recognition; Hexaazatriphenylene;

D O I：

10.1016/j.tetlet.2021.152911

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Herein, by symmetrically merging six thiophene units into the hexaazatriphenylene (HAT) core, a HAT-based sensor (1) was designed and synthesized, which was found capable of exhibiting selective recognition of Ag+ with detection limit as low as 1.79 x 10(-6) M in chloroform featuring with significant fluorescence "turn-off" property. Through the systematical investigation with UV-Vis absorption, fluorescence spectroscopy and the naked-eye experiments, as well as the H-1 NMR titration and the Job's plot, it was revealed that sensor 1 could complex with Ag+ in a stoichiometric ratio of 2:3. We envisage the construction of such a thiophene-derived HAT molecule is conducive to exploring new type of Ag+ sensors, and it also will bring potential application in environmental detection. (C) 2021 Elsevier Ltd. All rights reserved.

引用

页数：5

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