New electron-deficient 2,1,3-benzothiadiazole-cored donor-acceptor compounds: synthesis, photophysical and electroluminescent properties

被引：6

作者：

Gribanov, Pavel S. ^{[1
]}

Loginov, Dmitry A. ^{[1
,2
]}

Lypenko, Dmitry A. ^{[3
]}

Dmitriev, Artem V. ^{[3
]}

Tokarev, Sergey D. ^{[1
]}

Aleksandrov, Alexey E. ^{[3
]}

Tameev, Alexey R. ^{[3
]}

Chernyadyev, Andrey Yu. ^{[3
]}

Osipov, Sergey N. ^{[1
]}

机构：

[1] Russian Acad Sci, AN Nesmeyanov Inst Organoelement Cpds, Moscow 119334, Russia

[2] GV Plekhanov Russian Univ Econ, Moscow 117997, Russia

[3] Russian Acad Sci, AN Frumkin Inst Phys Chem & Electrochem, Moscow 119071, Russia

来源：

MENDELEEV COMMUNICATIONS | 2023年 / 33卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

luminophore; benzothiadiazole; cross-coupling; luminescence; OLED; SMALL MOLECULES; PERFORMANCE; FLUORINATION; DYES;

D O I：

10.1016/j.mencom.2023.09.035

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Three new 2,1,3-benzothiadiazole-containing luminophores with different electron deficiency of acceptor block have been prepared via the Pd-catalyzed Suzuki cross-coupling and nucleophilic fluorine substitution with cyano group. Photophysical and electroluminescent properties of the compounds obtained were investigated to estimate their potential for optoelectronic applications. The introduction of two fluorine atoms in the benzothiadiazole moiety leads to the hypsochromic shift of the electroluminescent emission, whereas the incorporation of two cyano groups shifts it into the long-wave region. All synthesized compounds were used as emissive layers in OLED devises.

引用

页码：701 / 704

页数：4

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