Colorimetric and ratiometric fluorescent chemodosimeter for selective sensing of fluoride and cyanide ions: tuning selectivity in proton transfer and C-Si bond cleavage

被引：36
作者：
Mahapatra, Ajit Kumar [1 ]
Manna, Saikat Kumar [1 ]
Pramanik, Bhaskar [2 ]
Maiti, Kalipada [1 ]
Mondal, Sanchita [1 ]
Ali, Syed Samim [1 ]
Mandal, Debasish [3 ]
机构：
[1] Indian Inst Engn Sci & Technol, Dept Chem, Howrah 711103, W Bengal, India
[2] Indian Inst Sci Educ & Res, Dept Chem Sci, Kolkata, India
[3] Hebrew Univ Jerusalem, Inst Chem, IL-91905 Jerusalem, Israel
来源：
RSC ADVANCES | 2015年 / 5卷 / 14期
关键词：
RECENT PROGRESS; CHEMOSENSORS; COMPLEXATION; RECOGNITION; THIOUREA; ANIONS; SENSOR; PROBE;
D O I：
10.1039/c4ra12910e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A simple innovative anthraimidazolyldione (LHSi) based colorimetric and ratiometric fluorescent chemodosimeter was designed and synthesized for fluoride and cyanide ion sensing. Upon reaction with the F- and CN- anions in THF solution, probe LHSi shows dramatic color changes from light yellow to red and remarkable ratiometric fluorescence enhancement signals. These properties are mechanistically ascribed to a fluoride/cyanide-triggered deprotonation and C-Si bond cleavage that resulted in a green to red fluorescence.
引用
收藏
页码：10716 / 10722
页数：7
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