Effect of methylation to an ethylenediamine receptor-based fluorescence signaling system: Solvent dependence, metal ion selectivity and photophysical studies

被引：8

作者：

Bag, Bamaprasad ^{[1
]}

Bharadwaj, Parimal K. ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem, Kanpur 208016, Uttar Pradesh, India

来源：

JOURNAL OF LUMINESCENCE | 2007年 / 126卷 / 01期

关键词：

fluorescence enhancement; photoinduced electron transfer; metal-ion selectivity; ethylenediamine receptor;

D O I：

10.1016/j.jlumin.2006.04.010

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A fluorescence signaling system (L-1) has been synthesized in the format, 'fluorophore-spacer-receptor' with an 'amino-alkyl-amino' group as the receptor where an anthracene and a 2,4-dinitrobenzene moieties are attached at two ends. As evident from the photophysical behavior of this system, attachment of methyl groups to the donor N atoms not only increases the charge-transfer character of the signaling system, but imparts structural rigidity and perturbs the binding ability of the receptor core, that results in selective fluorescence enhancement in presence of Zn(II). Solid-state structure of L-1 is determined by X-ray crystallography. (C) 2006 Elsevier B.V. All rights reserved.

引用

页码：27 / 36

页数：10

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