A novel phthalocyanine conjugated with four salicylideneimino complexes: Photophysics and fluorescence quenching studies

被引：52

作者：

Gumrukcu, Gulsah ^{[1
]}

Karaoglan, Gulnur Keser ^{[1
]}

Erdogmus, Ali ^{[1
]}

Gul, Ahmet ^{[2
]}

Avciata, Ulvi ^{[1
]}

机构：

[1] Tech Univ Yildiz, Dept Chem, TR-34210 Istanbul, Turkey

[2] Tech Univ Istanbul, Dept Chem, TR-34469 Istanbul, Turkey

来源：

DYES AND PIGMENTS | 2012年 / 95卷 / 02期

关键词：

Phthalocyanine; Schiff base complex; 8-Hydroxyquinoline; Salicylaldimine; Photophysics; Fluorescence quenching; PHOTOCHEMICAL PROPERTIES; ELECTRON-TRANSFER; CRYSTAL-STRUCTURE; CENTRAL METAL; ZINC(II); SUBSTITUENTS; SILICON; DESIGN; CU(II);

D O I：

10.1016/j.dyepig.2012.05.005

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A novel phthalocyanine with four salicylideneimino ligating groups directly conjugated to the macrocyclic core has been synthesized by the condensation of tetramino-phthalocyanine with salicylaldehyde. Complexation on the periphery to obtain pentanuclear complex has been accomplished either directly through the reaction of this phthalocyanine, 8-hydroxyquinoline as the second ON donor ligand and zinc (II) salt or zinc (II) complex of 8-hydroxyquinoline has been isolated first and then it has been reacted with the phthalocyanine carrying salicylideneimino ligating groups. Also a new mixed ligand Schiff base complex of Zn (II) as a model containing salicylaldimine ligand and 8-hydroxyquinoline has been synthesized to compare with the complex. The new compounds have been characterized by elemental analysis FTIR, H-1 NMR, UV-Vis spectroscopy and mass spectrometry. General trends are described for fluorescence lifetimes and fluorescence of these compounds in dimethylsulfoxide, dimethylformamide and tetrahydrofurane. The solvent effect on the photophysical parameters of the zinc (II) phthalocyanines and the model zinc (II) complex is also studied. The fluorescence of the substituted zinc (II) phthalocyanine complexes is effectively quenched by 1,4-benzoquinone (BQ) in these solvents. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：280 / 289

页数：10

共 43 条

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