A new Schiff base fluorescent-colorimetric probe containing fluorene-naphthalene structure: Multifunction detection

被引：19

作者：

Hu, Tao ^{[1
]}

Cheng, Jiapeng ^{[1
]}

Li, Lianjie ^{[1
]}

Zhan, Yifei ^{[1
]}

Li, Wenjun ^{[1
]}

Chang, Zhidong ^{[1
]}

Sun, Changyan ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Chem & Biol Engn, Beijing 100083, Peoples R China

来源：

INORGANICA CHIMICA ACTA | 2019年 / 498卷

关键词：

Fluorene-naphthalene structure; Schiff base; Multi-ion probe; Fluorescent-colorimetric probe; TURN-ON PROBE; SEQUENTIAL DETECTION; SELECTIVE DETECTION; OPTICAL PROBE; CHEMOSENSOR; AL3+; SENSOR; ZN2+; ALUMINUM; WATER;

D O I：

10.1016/j.ica.2019.119131

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new fluorescent-colorimetric probe 1-[(9H-fluoren-2-ylimino)methyl]-2-naphthalenol (FIMN) was designed and synthesized. FIMN is a multi-ion probe which can detect not only Al3+ ions by the change of fluorescent intensity, but also Fe3+, Co2+, and Cu2+ ions by color changes. The detection limits of FIMN with Al3+, Fe3+, Co2+ and Cu2+ ions were 2.643x10(-8), 1.843x10(-6), 8.349x10(-5) and 5.035x10(-5) M. The bonding ratios and association constant (Ka) of FIMN with Al3+, Fe3+, Co2+ and Cu2+ ions were studied by Job's plot and concentration titration experiments. H-1 NMR titration experiments were conducted to discuss the coordination modes of FIMN. And the detection mechanism can be explained by C=N isomerization.

引用

页数：6

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