Synthesis and photophysical properties of the 4-(biphenyl-4-yl)-2,6-bis(4-iodophenyl)pyrylium ion

被引：9
|
作者：
Alvaro, Mercedes
Aprile, Carmela
Carbonell, Esther
Ferrer, Belén
García, Hermenegildo
机构：
[1] Univ Politecn Valencia, CSIC UPV, Inst Tecnol Quim, Valencia 46022, Spain
[2] Univ Politecn Valencia, CSIC UPV, Dept Chem, Valencia 46022, Spain
来源：
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY | 2006年 / 2006卷 / 11期
关键词：
pyrylium; thiapyrylium; photosensitizer; PET (photoinduced electron transfer);
D O I：
10.1002/ejoc.200500997
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A triarylpyrylium ion containing iodo and biphenyl substituents has been synthesized and its photophysical properties measured. Compared to its parent triphenylpyrylium ion, the photophysical data recorded for 4-(biphenyl-4-yl)-2,6bis(4-iodophenyl)pyrylium are significantly influenced by substitution. Remarkable decreases in fluorescence and phosphorescence quantum yields, a shorter singlet lifetime, and lower energies of the singlet and triplet excited states are observed. ((c) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)
引用
收藏
页码：2644 / 2648
页数：5
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