A New Highly Selective, Ratiometric and Colorimetric Fluorescence Sensor for Cu2+ with a Remarkable Red Shift in Absorption and Emission Spectra Based on Internal Charge Transfer

被引：260
|
作者：
Goswami, Shyamaprosad [1 ]
Sen, Debabrata [1 ]
Das, Nirmal Kumar [1 ]
机构：
[1] Bengal Engn & Sci Univ, Dept Chem, Sibpur 711103, Howrah, India
来源：
ORGANIC LETTERS | 2010年 / 12卷 / 04期
关键词：
COPPER; CHEMOSENSOR; CU(II); RECEPTOR; PRION; FLUOROPHORE; CHEMISTRY; DISEASES; PEPTIDE; DESIGN;
D O I：
10.1021/ol9029066
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A new 1,8-diaminonaphthalene based ratiometric and highly selective colorimetric "off-on" type of fluorescent probe, receptor 2 has been designed and synthesized that senses only Cu2+ among the other heavy and transition metal ions examined on the basis of Internal charge transfer (ICT). The visual sensitivity of the receptor 2 Is remarkable, showing dual color changes from colorless (receptor) to purple followed by blue and a large red shift in emission upon Cu2+ complexation.
引用
收藏
页码：856 / 859
页数：4
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