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

被引：72

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

页码：22 / 27

页数：6

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