A highly selective diarylethene chemosensor for colorimetric detection of CN- and fluorescent relay-detection of Al3+/Cr3+

被引：71
作者：
Feng, Erting [1 ]
Fan, Congbin [1 ]
Wang, Niansheng [1 ]
Liu, Gang [1 ]
Pu, Shouzhi [1 ]
机构：
[1] Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang 330013, Jiangxi, Peoples R China
来源：
DYES AND PIGMENTS | 2018年 / 151卷
基金：
中国国家自然科学基金;
关键词：
Diarylethene chemosensor; Colorimetry; Fluorescence; CN-/Al3+/Cr3+ detection; PHOTOCHROMIC DIARYLETHENE; SENSOR; CU2+; ZN2+; ALUMINUM; CYANIDE; AL3+; CHROMIUM(III); RECOGNITION; PROBES;
D O I：
10.1016/j.dyepig.2017.12.041
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
In this work, a new diarylethene chemosensor with excellent photochromic properties upon UV-vis irradiation was designed and synthesized. Moreover, the fabricated probe could detect the CN- via colorimetric assay with the color change from colorless to yellow that can be observed by the naked eye. The sensor also exhibited an outstanding fluorescent relay-response toward Al3+/Cr3+ with high selectivity and sensitivity. Upon binding with Al3+, the generated diarylethene aluminum complex, confirmed by Job's plot titration and mass spectrometry analysis, could exhibit a remarkable fluorescence enhancement (Phi = 0.583) with a limit of detection (LOD) of 5.47 x 10(-7) M. The diarylethene-based chelate can be further used as a new platform for sensitive detection of Cr3+ through fluorescence quenching caused by Al3+ replacement.
引用
收藏
页码：22 / 27
页数：6
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