A biacylhydrazone-based chemosensor for fluorescence 'turn-on' detection of Al3+ with high selectivity and sensitivity

被引：12
作者：
Jiang, Xiao-Mei [1 ,2 ,3 ]
Mi, Wen-Hui [1 ,2 ,3 ]
Zhu, Wei [1 ,2 ,3 ]
Yao, Hong [1 ,2 ,3 ]
Zhang, You-Ming [1 ,2 ]
Wei, Tai-Bao [1 ,2 ,3 ]
Lin, Qi [1 ,2 ,3 ]
机构：
[1] Northwest Normal Univ, Minist Educ China, Key Lab Ecoenvironm Related Polymer Mat, Lanzhou, Gansu, Peoples R China
[2] Northwest Normal Univ, Key Lab Polymer Mat Gansu Prov, Lanzhou, Gansu, Peoples R China
[3] Northwest Normal Univ, Coll Chem & Chem Engn, Lanzhou, Gansu, Peoples R China
来源：
SUPRAMOLECULAR CHEMISTRY | 2019年 / 31卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Biacylhydrazone; fluorescence 'turn-on' detection; dual-channel chemosensor; Al3+ test strips; METAL-IONS; ENERGY-TRANSFER; ALUMINUM IONS; SENSOR; CYANIDE; ANION; MECHANISM; PROBES; HG2+; DISCRIMINATION;
D O I：
10.1080/10610278.2018.1539230
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A simple Al3+ fluorescent chemosensor (1) based on diacylhydrazone has been designed and synthesized by the condensation reaction of 2-hydroxy naphthaldehyde and metaphthalic hydrazide. The chemosensor 1 displays a specific and sensitive response to Al3+ over other cations in DMSO solution. Upon the addition of DMSO solution of Al3+, the sensor 1 shows an immediate fluorescence 'turn-on' response and emitting strong blue emission with visible color change from colorless to green. The fluorescence quantum yield enhanced from 7.24% to 48.68%. Meanwhile, the fluorescence and UV absorption spectra detection limits of the chemosensor 1 for Al3+ were 2.0 x 10(-7) M and 5.6 x 10(-7) M respectively, indicating the high sensitivity of 1 to Al3+. Furthermore, test strips based on 1 were fabricated, which could be used as a convenient test kit for the detection of Al3+ and an efficient Al3+ controlled fluorescent security display materials. [GRAPHICS] .
引用
收藏
页码：80 / 88
页数：9
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