Fluorenyl dendrimer porphyrins: synthesis and photophysical properties

被引：30

作者：

Drouet, Samuel ^{[1
]}

Paul-Roth, Christine O. ^{[1
,2
]}

机构：

[1] Univ Rennes 1, CNRS, Grp Ingn Chim & Mol Vivant, ICMV,SCR,UMR 6226, F-35042 Rennes, France

[2] INSA Rennes, Rennes, France

来源：

TETRAHEDRON | 2009年 / 65卷 / 51期

关键词：

Fluorescence; Porphyrins; Fluorene; Light harvesting; Red emission; SINGLET OXYGEN; POLYMERS; ARYL; ARMS;

D O I：

10.1016/j.tet.2009.10.043

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

New symmetrical dendrimeric type super-porphyrin bearing sixteen fluorenyl donor groups sixteen fluorenylporphyrin SOFP (1) have been synthesized and characterized. Preliminary photophysical properties are reported; in comparison to the references first generation dendrimer tetrafluorenylporphyrin TOFP (2) bearing four peripheral fluorenyl and second generation dendrimer octafluorenylporphyrin OOFP (3) bearing eight peripheral fluorenyl, the luminescence properties are slightly improved. It is found that the excitation energy transfer occurs from the sixteen fluorenyl units to the porphyrin core, following what the porphyrin emits intense red light. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：10693 / 10700

页数：8

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