Fluorescent Detection of Trace Water in Methanol Based on an Al(III) Chemical Sensor

被引：13
|
作者：
Hao, Liang [1 ]
Qiu, Qi-ming [1 ]
Wang, Wen-jie [1 ]
Gu, Leilei [1 ]
Li, Hui [1 ]
机构：
[1] Beijing Inst Technol, Sch Chem, Minist Educ, Key Lab Clusters Sci, Beijing 100081, Peoples R China
来源：
CHINESE JOURNAL OF CHEMISTRY | 2016年 / 34卷 / 11期
关键词：
detection; water content in methanol; fluorescent monitoring; ESIPT; ICT; INTRAMOLECULAR PROTON-TRANSFER; ORGANIC-SOLVENTS; COMPLEX; MOLECULES; PROBE; FLUOROPHORES; COORDINATION; CHEMOSENSOR; EMISSION;
D O I：
10.1002/cjoc.201600358
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A colorimetric and fluorescent sensor for trace water in methanol has been designed and characterized, which is a kind of aluminium-Schiff base coordination complex derived from diaminomaleonitrile. The fluorescence properties of this complex have been studied based on excited state intramolecular proton transfer (ESIPT) and intramolecular charge transfer (ICT) mechanism. The fluorescent emission of Al-L complex can be quenched by 0.1% water and distinguished by naked eyes. The detection limitation is 0.01% recognized by fluorescence spectra.
引用
收藏
页码：1109 / 1113
页数：5
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