Enhanced sensitivity and selectivity in lithium ion recognition property of an oligomeric squaraine dye based fluorescent sensor

被引：54
|
作者：
Chenthamarakshan, CR [1 ]
Ajayaghosh, A [1 ]
机构：
[1] CSIR, Reg Res Lab, Photochem Res Unit, Trivandrum 695019, Kerala, India
来源：
TETRAHEDRON LETTERS | 1998年 / 39卷 / 13期
关键词：
D O I：
10.1016/S0040-4039(98)00090-2
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A novel fluorescent sensor based on a pyrrole-derived pi-conjugated oligosquaraine containing diethylene glycol monomethyl ether side chain has been synthesized. This molecular wire based fluorescent sensor showed enhanced sensitiviy and specificity towards the recognition of Li+ when compared to Na+ and K+. An analogous simple squaraine dye could not sense any of the metal ions. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1795 / 1798
页数：4
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