Synthesis and solvent effects on the electronic absorption and fluorescence spectral properties of substituted zinc phthalocyanines

被引：105
作者：
Durmus, Mahmut
Nyokong, Tebello
机构：
[1] Rhodes Univ, Dept Chem, ZA-6140 Grahamstown, South Africa
[2] Gebze Inst Technol, Dept Chem, TR-41400 Gebze, Turkey
来源：
POLYHEDRON | 2007年 / 26卷 / 12期
基金：
新加坡国家研究基金会;
关键词：
phthalocyanine; zinc; fluorescence; aggregation; solvent effect;
D O I：
10.1016/j.poly.2007.01.018
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The synthesis and spectroscopic properties of the following tetra- and octa-substituted aryloxy zinc(Il) phthalocyanines are reported for the first time: 1,(4)-(tetrabenzyloxyphenoxyphthalocyaninato) zinc(II) (7); 2,(3)-(tetrabenzyloxyphenoxyphthalocyaninato) zinc(II) (8); 2,3-(octabenzyloxyphenoxyphthalocyaninato) zinc(Il) (9). The new compounds have been characterized by elemental analysis, IR, 1H NMR spectroscopy and electronic spectroscopy. Spectroscopic properties of these compounds were investigated in different solvents. Protonation of non-peripherally substituted complex 7 resulted in the splitting and red-shifting of the Q-band. The peripherally substituted derivatives 8 and 9, did not show the split in the Q-band. Fluorescence spectra of the derivatives show Stokes shifts typical of MPc complexes. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2767 / 2776
页数：10
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