Novel 4-(2,2,6,6-tetramethylpiperidin-4-ylamino)-1,8-naphthalimide based yellow-green emitting fluorescence sensors for transition metal ions and protons

被引：43

作者：

Bojinov, Vladimir B. ^{[1
]}

Panova, Ionka P. ^{[1
]}

机构：

[1] Univ Chem Technol & Met, Dept Organ Synth, BU-1756 Sofia, Bulgaria

来源：

DYES AND PIGMENTS | 2009年 / 80卷 / 01期

基金：

美国国家科学基金会;

关键词：

1,8-Naphthalimide; Fluorescence; Hindered amine light stabilizer (HALS); 2-(2-Hydroxyphenyl)-benzotriazole UV absorbers; Sensors; Photoinduced electron transfer (PET); PHOTOINDUCED ELECTRON-TRANSFER; PHOTOPHYSICAL PROPERTIES; 1,8-NAPHTHALIMIDE DYES; LUMINESCENT PROPERTIES; TRANSFER PET; COPOLYMERS; SOLVENT; METHYLMETHACRYLATE; CHEMOSENSOR; RECEPTORS;

D O I：

10.1016/j.dyepig.2008.05.007

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Two novel yellow-green emitting 1,8-naphthalimides, containing a 4-amino-2,2,6,6-tetramethylpiperidinyl moiety, were configured as "fluorophore-spacer-receptor" systems. The photophysical characteristics of the dyes were investigated in both DMF and water/DMF (4:1, v/v) solutions. The ability of the new compounds to detect cations was evaluated by means of the changes in their fluorescence intensity imparted by the presence of transition metal ions (Cu2+, Pb2+, Zn2+, Ni2+) and protons. The presence of metal ions and protons was found to disallow photoinduced electron transfer resulting in enhanced fluorescence intensity. The results clearly show that only Cu2+ ions and protons were effectively detected, indicating the potential of the novel compounds as highly efficient "off-on" switchers for CU2+ ions and protons. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：61 / 66

页数：6

共 65 条

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