A new rhodamine B-based "off-on" fluorescent chemosensor for Cu2+ in aqueous media

被引：35
|
作者：
Zhou, Yanmei [1 ]
Zhang, Junli [1 ]
Zhou, Hua [1 ]
Zhang, Qingyou [1 ]
Ma, Tongsen [1 ]
Niu, Jingyang [1 ]
机构：
[1] Henan Univ, Coll Chem & Chem Engn, Inst Environm & Analyt Sci, Kaifeng 475004, Henan, Peoples R China
来源：
JOURNAL OF LUMINESCENCE | 2012年 / 132卷 / 08期
关键词：
Rhodamine B derivative; Cu2+; Fluorescent probe; Fluorescence enhancement; COLORIMETRIC CHEMOSENSORS; SELECTIVE DETECTION; PROBE; WATER; SENSOR; CHEMODOSIMETER; MERCURY(II); COMPLEXES; CU(II); COPPER;
D O I：
10.1016/j.jlumin.2012.03.016
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new fluorescent probe 1 (P1) for Cu2+ based on rhodamine B was designed and synthesized. P1 exhibits high sensitivity and selectivity for sensing Cu2+ and color changes from colorless to pink in aqueous media. Selective fluorescent enhancement of P1 was attributed to ring-opening from the spirolactam (nonfluorescent) to ring-opened amide (fluorescent). A chemosensor based on rhodamine B has a good potential application to the determination of Cu2+ in environmental and biological systems. (C) 2012 Elsevier B.V. All rights reserved.
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页码：1837 / 1841
页数：5
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