Solution-Processed Pure Blue Thermally Activated Delayed Fluorescence Emitter Organic Light-Emitting Diodes With Narrowband Emission

被引：24

作者：

Xu, Ting ^{[1
,2
,3
,4
,5
]}

Liang, Xiao ^{[6
]}

Xie, Guohua ^{[7
,8
]}

机构：

[1] Shenzhen Univ, Coll Mat Sci & Engn, Shenzhen Key Lab Polymer Sci & Technol, Shenzhen, Peoples R China

[2] Shenzhen Univ, Coll Phys & Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen, Peoples R China

[3] Fudan Univ, State Key Lab Surface Phys, Shanghai, Peoples R China

[4] Fudan Univ, Dept Phys, Shanghai, Peoples R China

[5] Soochow Univ, Jiangsu Key Lab Carbon Based Funct Mat & Devices, Suzhou, Peoples R China

[6] Nanjing Univ, Sch Chem & Chem Engn, Jiangsu Key Lab Adv Organ Mat, State Key Lab Coordinat Chem, Nanjing, Peoples R China

[7] Wuhan Univ, Dept Chem, Wuhan, Peoples R China

[8] Wuhan Univ, Hubei Key Lab Organ & Polymer Optoelect Mat, Wuhan, Peoples R China

来源：

FRONTIERS IN CHEMISTRY | 2021年 / 9卷

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

organic light-emitting diodes; thermally activated delayed fluorescence; solution process; narrow bandwidth; pure blue; DEVICES; OLEDS;

D O I：

10.3389/fchem.2021.691172

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

There is a need to satisfy the high color purity requirement of display technology with a simply fabricated process. Herein, solution-processed blue thermally activated delayed fluorescence organic light-emitting diodes (OLEDs) with a narrow spectrum with a full width at half maximum (FWHM) of 32 nm and y color coordinate below 0.2 are demonstrated by employing a molecule containing boron and nitrogen atoms (TBN-TPA) as the guest emitter in the emissive layer. The opposite resonance positions of B-N atoms of TBN-TPA endows a multi-resonance effect, leading to high color purity.

引用

页数：5

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