Thieno[3,2-b]thiophene-based bridged BODIPY dimers: synthesis, electrochemistry, and one- and two-photon photophysical properties

被引：0
作者：
Chai, Zhiyong [1 ]
Gu, Tingting [1 ]
Beau, Annaelle [2 ,3 ]
Bolze, Frederic [2 ]
Gros, Claude P. [3 ]
Liang, Xu [4 ]
Shi, Donghai [1 ]
Xu, Haijun [1 ,5 ]
机构：
[1] Nanjing Forestry Univ, Coll Chem Engn, Jiangsu Coinnovat Ctr Efficient Proc & Utilizat Fo, Key Lab Forestry Genet & Biotechnol,Minist Educ, Nanjing 210037, Peoples R China
[2] Univ Strasbourg, Fac Pharm, ChemoBiol Synthet & Therapeut, UMR 7199,CNRS, 74 route Rhin, F-67401 Illkirch Graffenstaden, France
[3] Univ Bourgogne, Inst Chim Mol, CNRS, UMR 6302, 9 Ave Alain Savary, F-21000 Dijon, France
[4] Jiangsu Univ, Sch Chem & Chem Engn, Zhenjiang 212013, Peoples R China
[5] Henan Normal Univ, Sch Chem & Chem Engn, Xinxiang 453002, Peoples R China
来源：
DALTON TRANSACTIONS | 2025年 / 54卷 / 02期
关键词：
THIENOTHIOPHENE; POLYMERS;
D O I：
10.1039/d4dt02655a
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Four BODIPY dyes (6a-6d) with electron-donating or electron-withdrawing groups at the meso-position were synthesized by the Sonogashira coupling reaction of 2,5-diethynylthieno[3,2-b]thiophene with mono-iodo-BODIPY moieties. All compounds were fully characterized by 1H NMR and MALDI-TOF MS. Their photophysical and electrochemical properties were studied by UV-visible absorption spectroscopy, steady-state and time-resolved fluorescence spectroscopy, two-photon excitation spectroscopy and cyclic voltammetry. These conjugated dyes exhibit interesting photophysical properties such as a high molar extinction coefficient, large Stokes shift and high two-photon absorption cross section sigma 2.
引用
收藏
页码：674 / 682
页数：9
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