A phenanthro[9,10-d]imidazole-based highly selective fluorescence and visual sensor for Cu2+ ion

被引：4

作者：

Hou, Siyu ^{[1
]}

Guo, Yan ^{[1
]}

Miao, Tiezheng ^{[1
]}

Fu, Guorui ^{[1
]}

Li, Wentao ^{[1
]}

Liu, Jiaxiang ^{[1
]}

Wang, Baowen ^{[1
]}

Lu, Xingqiang ^{[1
]}

Liu, Lin ^{[1
,2
]}

Feng, Weixu ^{[3
]}

机构：

[1] Northwest Univ, Sch Chem Engn, Shaanxi Key Lab Degradable Med Mat, Xian 710069, Shaanxi, Peoples R China

[2] Yanan Univ, Sch Chem & Chem Engn, Yanan 716000, Shaanxi, Peoples R China

[3] Northwestern Polytech Univ, Sch Chem & Chem Engn, Xian 710029, Shaanxi, Peoples R China

来源：

OPTICAL MATERIALS | 2022年 / 123卷

关键词：

Fluorescent chemosensor; Cu2+ ion; Sensing mechanism; Phenanthro[9; 10-d]imidazole-derivative; TURN-ON SENSOR; CHEMOSENSOR; DERIVATIVES; MECHANISM; DIVERSE; CU(II); HG(II); METAL; FE3+;

D O I：

10.1016/j.optmat.2021.111834

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Through molecular design of a new phenanthro[9,10-d]imidazole-based compound, the probe 4-VB-PI-DMBA (4-VB-PI-DMBA = N,N-dimethyl-4-(1-(4- vinylbenzyl)-1H-phenanthro[9,10-d]imidazole-2-yl)aniline) strongly emissive at lambda em = 462 nm, is capable of the uniquely fluorescent "turn-off" for Cu2+ ion with a detection limit of 30.2 nM. This result shows that the phenanthro[9,10-d]imidazole-derivative with a twisting structure and without proton-donating groups, renders a selective fluorescence and visual sensor platform to Cu2+ ion.

引用

页数：7

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