Light Harvesting and Efficient Energy Transfer in Dendritic Systems: New Strategy for Functionalized Near-Infrared BF2-Azadipyrromethenes

被引：54

作者：

Yuan, Mingjian ^{[1
,2
]}

Yin, Xiaodong ^{[1
,2
]}

Zheng, Haiyan ^{[1
,2
]}

Ouyang, Canbin ^{[1
,2
]}

Zuo, Zicheng ^{[1
,2
]}

Liu, Huibiao ^{[1
]}

Li, Yuliang ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Chem, BNLMS, CAS Key Lab Organ Solids, Beijing 100190, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100190, Peoples R China

来源：

CHEMISTRY-AN ASIAN JOURNAL | 2009年 / 4卷 / 05期

基金：

中国国家自然科学基金;

关键词：

chromophores dendrimers; FRET; near-infrared; time-resolved spectroscopy; RESTRICTED AZA-BODIPY; CLICK CHEMISTRY; 2-PHOTON-EXCITED FRET; HIGHLY FLUORESCENT; ABSORBING DYES; SINGLET OXYGEN; DENDRIMERS; TETRAARYLAZADIPYRROMETHENES; CHEMOSENSOR; DERIVATIVES;

D O I：

10.1002/asia.200800391

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of dendritic systems, which are capable of funneling energy from the periphery to the core, have been synthesized. The photophysical properties of the dendrimers, generations 0-2, have been determined. The light-harvesting ability of these compounds increases with increasing generation arising from the increase in molar extinction coefficient. Selective excitation of the donor leads to an efficient energy transfer (>90%) to the acceptor. The approach provides a facile synthesis for modification of near-infrared BF2-Azadipyrromethene.

引用

页码：707 / 713

页数：7

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