Efficient near-infrared (NIR) polymer light-emitting diodes (PLEDs) based on heteroleptic iridium(iii) complexes with post-modification effects of intramolecular hydrogen bonding or BF2-chelation

2018 ◽  
Vol 6 (39) ◽  
pp. 10589-10596 ◽  
Author(s):  
Guorui Fu ◽  
Hao Zheng ◽  
Yani He ◽  
Wentao Li ◽  
Xingqiang Lü ◽  
...  
Keyword(s):  
Hydrogen Bonding ◽  
Near Infrared ◽  
High Efficiency ◽  
Light Emitting Diodes ◽  
Intramolecular Hydrogen Bonding ◽  
Light Emitting ◽  
Nir Emission ◽  
Polymer Light Emitting Diodes ◽  
Post Modification ◽  
Intramolecular Hydrogen

Two new heteroleptic iridium(iii)-complexes capable of NIR emission are used to fabricate NIR-PLEDs with high efficiency and almost negligible efficiency-roll-off.

Distorted–octahedral site‒occupation induced high efficiency broadband near infrared emission in LiScGe2O6:Cr3+ phosphor

2021 ◽  
Author(s):  
Xuehua Chen ◽  
Enhai Song ◽  
Yayun Zhou ◽  
Fanquan He ◽  
Jiqiao Yang ◽  
...  
Keyword(s):  
Octahedral Site ◽  
Near Infrared ◽  
High Efficiency ◽  
Light Emitting Diodes ◽  
Optoelectronic Device ◽  
Infrared Emission ◽  
Light Emitting ◽  
Distorted Octahedral ◽  
Nir Emission ◽  
Near Infrared Emission

The discovery of high efficiency broadband Near-infrared (NIR) emission phosphor for phosphor-converted light-emitting diodes (NIR-pc-LEDs) is of importance for optoelectronic device and the emerging applications. Herein, a highly efficient broadband...

An effective strategy to obtain near-infrared emission from shoulder to shoulder-type binuclear platinum(II) complex based on fused pyrene core bridged isoquinoline ligands

2021 ◽  
Author(s):  
Kai Zhang ◽  
Tianyu Wang ◽  
Tingwen Wu ◽  
Zhenming Ding ◽  
Qiang Zhang ◽  
...  
Keyword(s):  
Near Infrared ◽  
Light Emitting Diodes ◽  
Infrared Emission ◽  
Effective Strategy ◽  
Solution Processed ◽  
Light Emitting ◽  
Nir Emission ◽  
Polymer Light Emitting Diodes ◽  
Near Infrared Emission

With the meteoric progress of near-infrared (NIR) emission materials for solution-processed polymer light-emitting diodes (PLEDs), exploring efficient NIR materials is still a key science issue. Here, bearing acceptor (A)-donor-(D)-acceptor (A)...

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.

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-efficiency new polymer light-emitting diodes with a stabilized blue emission

2005 ◽  
Author(s):  
Sung Heum Park ◽  
Jin Young Kim ◽  
Sun Hee Kim ◽  
Youngeup Jin ◽  
Jinwoo Kim ◽  
...  
Keyword(s):  
High Efficiency ◽  
Light Emitting Diodes ◽  
Blue Emission ◽  
Light Emitting ◽  
Polymer Light Emitting Diodes
Sign in / Sign up

Export Citation Format

Share Document