Si-Bridged annulated BODIPYs: synthesis, unique structure and photophysical properties

被引:16
|
作者
Feng, Siyang [1 ]
Qu, Zhirong [1 ]
Zhou, Zhikuan [1 ]
Chen, Jiaying [1 ]
Gai, Lizhi [1 ]
Lu, Hua [1 ]
机构
[1] Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, Key Lab Organosilicon Chem & Mat Technol, Minist Educ, Hangzhou 311121, Zhejiang, Peoples R China
基金
中国国家自然科学基金;
关键词
FLUORESCENCE; PROBES; DYES;
D O I
10.1039/d1cc04687j
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Two novel Si-bridged meso-annulated BODIPY dyes have been prepared through intermolecular C-I silylation and subsequent intramolecular C-H silylation in a one-pot reaction. A marked redshift of the main spectral bands was observed since the efficient sigma*-pi* conjugation results in a notable stabilization of the LUMOs. Si-annulation blocks the non-radiative decay and contributes to higher fluorescence quantum yields. This strategy is very attractive for the construction of highly emissive polycyclic aromatic hydrocarbons.
引用
收藏
页码:11689 / 11692
页数:4
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