Synthesis, photophysical and photochemical properties of octa-substituted antimony phthalocyanines

被引：19

作者：

Modibane, Desmond Kwena ^{[1
]}

Nyokong, Tebello ^{[1
]}

机构：

[1] Rhodes Univ, Dept Chem, ZA-6140 Grahamstown, South Africa

来源：

POLYHEDRON | 2009年 / 28卷 / 03期

基金：

新加坡国家研究基金会;

关键词：

Antimony phthalocyanine; Triplet quantum yield; Triplet lifetime; Fluorescence quantum yield; Photodegradation quantum yield; INDIUM PHTHALOCYANINES; SPECTRAL PROPERTIES; COMPLEXES; DERIVATIVES; PORPHYRIN; GALLIUM; SINGLET;

D O I：

10.1016/j.poly.2008.11.052

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

This work reports on the synthesis and photophysicochemical parameters of unsubstituted [(SbPc)-Pc-III]I-+(3)- and octa-phenoxy ([(SbOPPc)-O-III]I-+(3)-) and -4-t-butylphenoxy ([(SbOTBPPc)-O-III]I-+(3)-) substituted antimony phthalocyanines. Photophysical and photochemical properties were studied for these complexes in dimethylsulfoxide, dimethylformamide and toluene. The excitation spectra of oxidized antimony (Sb(V)Pc) derivates were similar to absorption spectra. Low fluorescence quantum yields, high triplet quantum yields and low triplet lifetimes were observed as the result of heavy atom (antimony ion). (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：479 / 484

页数：6

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