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

页码：674 / 682

页数：9

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