Synthesis and fluorescence properties of phenanthro[9,10-d] imidazole derivative for Ag+ in aqueous media

被引：20

作者：

Zhao, Bing ^{[1
]}

Xu, Yu ^{[1
]}

Fang, Yue ^{[1
]}

Wang, Liyan ^{[1
]}

Deng, Qigang ^{[1
]}

机构：

[1] Qiqihar Univ, Inst Chem & Chem Engn, Qiqihar 161006, Peoples R China

来源：

TETRAHEDRON LETTERS | 2015年 / 56卷 / 19期

关键词：

Fluorescent chemosensor; 1H-Phenanthro[9,10-d]imidazole; Ag+; Aqueous media; SELECTIVE DETECTION; QUANTUM DOTS; SILVER; PROBE; WATER; IONS; SENSOR; CU2+; HG2+; CHEMOSENSOR;

D O I：

10.1016/j.tetlet.2015.03.094

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A novel fluorescent chemosensor containing 1H-phenanthro[9,10-d]imidazole moieties linked to double ethylenediamino units was synthesized. It exhibits high sensitivity and selectivity in aqueous media for Ag+ with obvious change in color and 12.55-fold fluorescence quenching. The detection limit was calculated as 1.01 x 10(-7) M by a fluorescence titration experiment. The 1:1 binding stoichiometry of L-Ag+ complex was analyzed by Job's plot and further confirmed by ESI-MS. Furthermore, the recognition pattern was suggested through the FTIR and H-1 NMR spectroscopy. (C) 2015 Published by Elsevier Ltd.

引用

页码：2460 / 2465

页数：6

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