A highly selective fluorescent sensor for dual detection of Zn2+ and F- based on a new diarylethene

作者：Tian, Zhaoyan; Cui, Shiqiang^*; Pu, Shouzhi^*

来源：Tetrahedron Letters, 2016, 57(25): 2703-2707.

DOI：10.1016/j.tetlet.2016.04.090

• Photochromism
• Diarylethene
• Coumarin unit
• Fluorescent sensor

A new diarylethene derivative with a coumarin unit was synthesized. Its multi-functional fluorescent switching behaviors were investigated by the stimulation of UV/vis light, Zn2+/EDTA, and F-. The diarylethene was highly selective toward Zn2+ and F- with different fluorescence colors and binding modes. Upon addition of Zn2+, its emission peak was blue-shifted by 32 nm and emission intensity was enhanced by 57 fold, due to the formation of a 1:1 metal/ligand complex, accompanied by a fluorescence color change from dull red to green. Moreover, the diarylethene was also selectivity to F- with the fluorescence color change from dull red to yellow, The dramatic fluorescence color change made the naked eye detection of Zn2+ and F- possible.

• 出版日期2016-6-22
• 单位江西科技师范大学