A quinoline-based Schiff base for significant fluorescent "turn-on" and absorbance-ratiometric detection of Al3+

被引：9

作者：

Ma, Yu-Qing ^{[1
]}

Sun, Xue-Jiao ^{[1
]}

Li, Ming-Qiang ^{[1
]}

Zengl, Shuang ^{[1
]}

Xing, Zhi-Yong ^{[1
]}

Li, Jin-Long ^{[2
]}

机构：

[1] Northeast Agr Univ, Coll Sci, Dept Appl Chem, Harbin 150030, Heilongjiang, Peoples R China

[2] Qiqihar Univ, Sch Chem & Chem Engn, Qiqihar 161006, Peoples R China

来源：

CHEMICAL PAPERS | 2019年 / 73卷 / 06期

关键词：

Quinoline; Schiff base; Fluorescence; Ratiometric; Al3+; AGGREGATION-INDUCED EMISSION; SELECTIVE FLUORESCENT; PROBE; CHEMOSENSOR; IONS; ALUMINUM; SENSOR; AL(III); MONOSACCHARIDES; SPECIATION;

D O I：

10.1007/s11696-019-00698-w

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel quinoline-based Schiff base fluorescent sensor BQPA had been synthesized and characterized by common spectroscopic methods. It showed highly sensitive fluorescent enhancement (300-fold) and ratiometric absorbance for the determination of Al3+ with low detection limits of 31nM in CH3CH2OH/H2O (1: 9, v/v) solution. The stoichiometry of the BQPA-Al3+ complex was 1:1, determined by Job plots curve and further confirmed by HRMS, H-1 NMR titration and FT-IR spectrum. Moreover, the potential application of BQPA in the detection of Al3+ was estimated in real water samples. [GRAPHICS] .

引用

页码：1469 / 1479

页数：11

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