A simple fluorescent-colorimetric probe for selective switch-on detection of Al3+ in ethanol

被引：16

作者：

Liu, Cong ^{[1
]}

Liu, Li-mei ^{[1
]}

Li, Tian-rong ^{[1
]}

Liu, Kui ^{[1
,2
]}

Yang, Zheng-yin ^{[1
]}

机构：

[1] Lanzhou Univ, State Key Lab Appl Organ Chem, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China

[2] Tianshui Normal Univ, Coll Chem Engn & Technol, Tianshui 741001, Gansu, Peoples R China

来源：

INORGANICA CHIMICA ACTA | 2020年 / 502卷

基金：

中国国家自然科学基金;

关键词：

Fluorescent probe; Aluminum ion; Colorimetric; Test kits; TURN-ON; SCHIFF-BASE; ALUMINUM ACCUMULATION; CHEMOSENSOR; SENSOR; IONS; ZN2+; SENSITIVITY; DIARYLETHENE;

D O I：

10.1016/j.ica.2019.119327

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A novel and simple fluorescent probe, 7-methoxychromone-3-carbaldehyde-(3'4'5'-trimethoxybenzoyl) hydrazone (L), was designed and synthesized. The probe L presented outstanding "turn-on" fluorescence response towards Al3+ over most other competitive ions in ethanol. The detection limit of L for recognizing Al3+ was measured to be 2.14 x 10(-7) M. According to these excellent properties, the detecting of Al3+ on filter papers was studied successfully. Photoinduced electron transfer (PET) process, coupled with the C=N isomerisation process, is put forward to interpret the obvious fluorescence response.

引用

页数：6

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