Highly Efficient Phosphorescent Organic Light-Emitting Diodes Based on Novel Bipolar Iridium Complexes with Easily-Tuned Emission Colors by Adjusting Fluorine Substitution on Phenylpyridine Ligands

2021 ◽  
Author(s):  
Shuonan Chen ◽  
Xi Gai ◽  
Jie Liang ◽  
Kaiqi Ye ◽  
Yu Liu ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Iridium Complexes ◽  
Fluorine Substitution ◽  
Light Emitting ◽  
Highly Efficient ◽  
Organic Light

Two new phenylpyridine derivatives-based heteroleptic iridium complexes, (Fppy)2Ir(dipg) (Fppdg) and (CF3ppy)2Ir(dipg) (tFmppdg) with emission peaks of 545 nm and 581 nm respectively, were designed and synthesized by incorporation of a...

Deep-red iridium(iii) complexes cyclometalated by phenanthridine derivatives for highly efficient solution-processed organic light-emitting diodes

2016 ◽  
Vol 4 (16) ◽  
pp. 3492-3498 ◽  
Author(s):  
Bei Jiang ◽  
Yu Gu ◽  
Jingjing Qin ◽  
Xiaowen Ning ◽  
Shaolong Gong ◽  
...  
Keyword(s):  
Efficient Solution ◽  
Light Emitting Diodes ◽  
Simple Approach ◽  
Emission Peak ◽  
Organic Light Emitting Diodes ◽  
Iridium Complexes ◽  
Solution Processed ◽  
Light Emitting ◽  
Highly Efficient ◽  
Organic Light

The introduction of 4-tert-butyl-N-phenylaniline groups into phenanthridine derivatives is demonstrated as a simple approach to develop solution-processed deep-red iridium complexes. The resulting PhOLEDs achieve a maximum EQE of 5.2% with the emission peak at 682 nm.

Sky-blue iridium complexes with pyrimidine ligands for highly efficient phosphorescent organic light-emitting diodes

2020 ◽  
Vol 44 (21) ◽  
pp. 8743-8750
Author(s):  
Haiyang Ma ◽  
Di Liu ◽  
Jiuyan Li ◽  
Yongqiang Mei ◽  
Deli Li ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Iridium Complexes ◽  
Light Emitting ◽  
Highly Efficient ◽  
Organic Light ◽  
Cie Coordinates ◽  
Maximum Quantum Efficiency

Three sky blue heteroleptic Ir(III) complexes with emission peaks at 457–459 nm, have been developed. A maximum quantum efficiency of 21.23% with CIE coordinates of (0.15, 0.26) is realized in their PhOLEDs, representing a higher efficiencies and improved color purities than FIrpic.

Fluorine-free, highly efficient, blue-green and sky-blue-emitting cationic iridium complexes and their use for efficient organic light-emitting diodes

2018 ◽  
Vol 6 (6) ◽  
pp. 1509-1520 ◽  
Author(s):  
Lei He ◽  
Ying Lan ◽  
Dongxin Ma ◽  
Xiangzhi Song ◽  
Lian Duan
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Iridium Complexes ◽  
Light Emitting ◽  
Highly Efficient ◽  
Organic Light

Fluorine-free, highly efficient, blue-green and sky-blue-emitting cationic iridium complexes were developed, which showed high performances in organic light-emitting diodes.

Coumarin-Based, Electron-Trapping Iridium Complexes as Highly Efficient and Stable Phosphorescent Emitters for Organic Light-Emitting Diodes

2010 ◽  
Vol 49 (4) ◽  
pp. 1301-1303 ◽  
Author(s):  
Xiaofan Ren ◽  
Marina E. Kondakova ◽  
David J. Giesen ◽  
Manju Rajeswaran ◽  
Marcel Madaras ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Electron Trapping ◽  
Iridium Complexes ◽  
Light Emitting ◽  
Highly Efficient ◽  
Organic Light

Blue-green-emitting cationic iridium complexes with oxadiazole-type counter-anions and their use for highly efficient solution-processed organic light-emitting diodes

2020 ◽  
Vol 8 (18) ◽  
pp. 6236-6244 ◽  
Author(s):  
Xianwen Meng ◽  
Pei Wang ◽  
Rubing Bai ◽  
Lei He
Keyword(s):  
Efficient Solution ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Iridium Complexes ◽  
Solution Processed ◽  
Light Emitting ◽  
Highly Efficient ◽  
Organic Light

Cationic iridium complexes with 2,5-diphenyl-1,3,4-oxadiazole type counter-anions afford highly-efficient solution-processed blue-green organic light-emitting diodes.

Pure red phosphorescent iridium(III) complexes containing phenylquinazoline ligands for highly efficient organic light-emitting diodes

2021 ◽  
Author(s):  
Houru Tian ◽  
Jiuyan Li ◽  
Di Liu ◽  
Mengyao Ma ◽  
Ying Lan ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Iridium Complexes ◽  
Light Emitting ◽  
Highly Efficient ◽  
Organic Light ◽  
Methoxy Groups

Two novel heteroleptic iridium complexes containing 4-phenylquinazoline (pqz) as cyclometalating ligands, namely Ir1 and Ir2, are designed and synthesized. Methoxy groups are incorporated into the 6- and 7-sites of pqz...

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