Controlling emitting dipole orientations by N^O-ancillary electronic effects of [Ir(C^N)2(N^O)]-heteroleptic Ir(III)-complexes towards efficient near-infrared (NIR) polymer light-emitting diodes (PLEDs)

2021 ◽  
Author(s):  
Siyu Hou ◽  
Jiaxiang Liu ◽  
Baowen Wang ◽  
Tiezheng Miao ◽  
Xingqiang Lv ◽  
...  
Keyword(s):  
High Performance ◽  
Near Infrared ◽  
Light Emitting Diodes ◽  
Organic Polymer ◽  
Electronic Effects ◽  
Light Emitting ◽  
Polymer Light Emitting Diodes ◽  
Real Challenge

Despite the domination of conventional [Ir(C^N)2(L^X)]-bis-heteroleptic iridium(III)-complexes with NIR-phosphorescence (NIR = near infrared) as dopants for reliable NIR-OLEDs/PLEDs (organic/polymer light-emitting diodes), the achievement of their high-performance remains a real challenge....

C1-symmetric [Ir(C^N1)(C^N2)(N^O)]-tris-heteroleptic Ir(III)-complexes with horizontal orientation for efficient near-infrared (NIR) polymer light-emitting diodes (PLEDs)

2021 ◽  
Author(s):  
Wentao Li ◽  
Tiezheng Miao ◽  
Baowen Wang ◽  
Jiaxiang Liu ◽  
Xingqiang Lv ◽  
...  
Keyword(s):  
High Performance ◽  
Near Infrared ◽  
Light Emitting Diodes ◽  
Organic Polymer ◽  
Light Emitting ◽  
Horizontal Orientation ◽  
Polymer Light Emitting Diodes ◽  
Real Challenge

Using conventionally fac-[Ir(C^N)3]-homoleptic or [Ir(C^N)2(L^X)]-bis-heteroleptic iridium(III)-complexes with NIR-phosphorescence (NIR = near infrared) as dopants, the realization of their reliable NIR-OLEDs/PLEDs (organic/polymer light-emitting diodes) with high-performance remains a real challenge. In...

C1-symmetrical [Ir(C^N1)(C^N2)(N^O)]-tris-heteroleptic Ir(III)-complex with one strong N^O-ancillary -donor for efficient all-solution-processed near-infrared (NIR) polymer light-emitting diodes (PLEDs)

2022 ◽  
Author(s):  
Yan Zhang ◽  
Baowen Wang ◽  
Jiaxiang Liu ◽  
Xingqiang Lv ◽  
Guorui Fu ◽  
...  
Keyword(s):  
High Performance ◽  
Near Infrared ◽  
Light Emitting Diodes ◽  
Solution Processed ◽  
Performance Achievement ◽  
Light Emitting ◽  
Electronic Perturbation ◽  
Polymer Light Emitting Diodes

Among reliable vacuum-deposited or solution-processed NIR-OLEDs/PLEDs doped with NIR-emitting iridium(III)-complexes, high-performance achievement of their all-solution-processed NIR-PLEDs remains a great challenge. In this study, owing to the forceful electronic perturbation achieved...

Geometrically isomeric [Ir(iqbt)(ppy)(hpa)] complexes with differential molecule orientations for efficient near-infrared (NIR) polymer light-emitting diodes (PLEDs)

2021 ◽  
Vol 9 (36) ◽  
pp. 12068-12072
Author(s):  
Wentao Li ◽  
Jiaxiang Liu ◽  
Baowen Wang ◽  
Siyu Hou ◽  
Xingqiang Lü ◽  
...  
Keyword(s):  
Near Infrared ◽  
Light Emitting Diodes ◽  
Dipole Transition ◽  
Transition Dipole ◽  
Light Emitting ◽  
Horizontal Orientation ◽  
Polymer Light Emitting Diodes

Based on geometrical isomerisation of [Ir(C^N1)(C^N2)((N^O))]-tris-heteroleptic Ir(iii)-complexes, the augmented transition dipole transition (TMD) with a preferential horizontal orientation, which is beneficial for their NIR-phosphorescence, is reported.

Electrically driven single microribbon based near-infrared exciton-polariton light-emitting diode

CrystEngComm ◽  
2021 ◽  
Author(s):  
Mingming Jiang ◽  
Fupeng Zhang ◽  
Kai Tang ◽  
Peng Wan ◽  
Caixia Kan
Keyword(s):  
High Performance ◽  
Near Infrared ◽  
Light Emitting Diodes ◽  
Light Emitting Diode ◽  
Light Sources ◽  
Coherent Light ◽  
Light Emitting ◽  
Exciton Polaritons ◽  
Laser Devices

Achieving electrically-driven exciton-polaritons has drawn substantial attention toward developing ultralow-threshold coherent light sources, containing polariton laser devices and high-performance light-emitting diodes (LEDs). In this work, we demonstrate an electrically driven...

Highly efficient single-layer blue polymer light-emitting diodes based on hole-transporting group substituted poly(fluorene-co-dibenzothiophene-S,S-dioxide)

2017 ◽  
Vol 5 (37) ◽  
pp. 9680-9686 ◽  
Author(s):  
Feng Peng ◽  
Na Li ◽  
Lei Ying ◽  
Wenkai Zhong ◽  
Ting Guo ◽  
...  
Keyword(s):  
Blue Light ◽  
High Performance ◽  
Light Emitting Diodes ◽  
Single Layer ◽  
Random Copolymer ◽  
Hole Transport ◽  
Light Emitting ◽  
Hole Transporting ◽  
Polymer Light Emitting Diodes ◽  
Copolymer Poly

We developed a series of high-performance blue light-emitting polymers that contain hole-transport moieties comprising carbazole or triphenylamine substituents in the side chains of random copolymer poly(fluorene-co-dibenzothiophene-S,S-dioxide) (PFSO).

Organic-Oxide Cathode Buffer Layer in Fabricating High-Performance Polymer Light-Emitting Diodes

2008 ◽  
Vol 18 (19) ◽  
pp. 3036-3042 ◽  
Author(s):  
Tsung-Hsun Lee ◽  
Jung-Chun-Andrew Huang ◽  
Georgi L'vovich Pakhomov ◽  
Tzung-Fang Guo ◽  
Ten-Chin Wen ◽  
...  
Keyword(s):  
Buffer Layer ◽  
High Performance ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Oxide Cathode ◽  
High Performance Polymer ◽  
Polymer Light Emitting Diodes ◽  
Cathode Buffer Layer

Iridium(iii) phosphors with rigid fused-heterocyclic chelating architectures for efficient deep-red/near-infrared emissions in polymer light-emitting diodes

2019 ◽  
Vol 7 (35) ◽  
pp. 10961-10971 ◽  
Author(s):  
Caifa You ◽  
Denghui Liu ◽  
Fanyuan Meng ◽  
Yafei Wang ◽  
Junting Yu ◽  
...  
Keyword(s):  
Near Infrared ◽  
Light Emitting Diodes ◽  
Heterocyclic Ligands ◽  
Light Emitting ◽  
Highly Efficient ◽  
Polymer Light Emitting Diodes ◽  
Infrared Emissions

Highly efficient deep-red/near-infrared emissions with maximum EQEs of 7.04% and 4.14%, respectively, are realized for Ir(iii) complexes by designing rigid fused-heterocyclic ligands.

High-performance polymer light-emitting diodes utilizing modified Al cathode

2005 ◽  
Vol 87 (1) ◽  
pp. 013504 ◽  
Author(s):  
Tzung-Fang Guo ◽  
Fuh-Shun Yang ◽  
Zen-Jay Tsai ◽  
Ten-Chin Wen ◽  
Sung-Nien Hsieh ◽  
...  
Keyword(s):  
High Performance ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
High Performance Polymer ◽  
Polymer Light Emitting Diodes
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