Significant emission red-shift of BODIPY derivatives with strong electron-acceptor attached

被引：6

作者：

Li, Xiaochuan ^{[1
]}

Sun, Saisai ^{[1
]}

Kim, Ick Jin ^{[2
]}

Son, Young-A ^{[2
]}

机构：

[1] Henan Normal Univ, Collaborat Innovat Ctr Henan Prov Green Mfg Fine, Sch Chem & Chem Engn,Henan Key Lab Organ Funct Mo, Key Lab Green Chem Media & React,Minist Educ, Xinxiang, Henan, Peoples R China

[2] Chungnam Natl Univ, Dept Adv Organ Mat Engn, BK21, Daejeon, South Korea

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2017年 / 654卷 / 01期

基金：

新加坡国家研究基金会; 中国国家自然科学基金;

关键词：

BODIPY; CIT coordinate; fluorescence decay; red-shift; TCF; LIGHT-EMITTING-DIODES; ENERGY-TRANSFER; PHOTOPHYSICAL PROPERTIES; DYES; FLUORESCENCE; COMPLEXES; CHEMISTRY; MOLECULES; DEVICES;

D O I：

10.1080/15421406.2017.1358018

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new red-fluorescent BODIPY derivative is designed and synthesized, which is configured by attaching an electron-withdrawing unit 2-dicyanomethylene-3-cyano-4,5,5-trimethyl-2,5-dihydrofuran (TCF). By virtue of the strong electron-accepting nature of TCF unit, the compound BT exhibits a large red-shift both in absorption and emission. In contrast to parent BODIPY, the absorption shifted about 90 nm. And the emission maximum shifted to red region with the peak centered around 620 nm. The CIE coordinate and fluorescence decay data uncovered its emission character. Theoretical calculation of BT confirmed that the electron density was altered dramatically by TCF and lowered the energy gap between ground state. The character of HOMO/LUMO distribution is well in agreement with that of experimental value.

引用

页码：139 / 145

页数：7

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