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.

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...

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.

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.

scholarly journals Correction: Efficient polymer light-emitting diodes (PLEDs) based on chiral [Pt(C^N)(N^O)] complexes with near-infrared (NIR) luminescence and circularly polarized (CP) light

2020 ◽  
Vol 8 (2) ◽  
pp. 742-742
Author(s):  
Guorui Fu ◽  
Yani He ◽  
Wentao Li ◽  
Baowen Wang ◽  
Xingqiang Lü ◽  
...  
Keyword(s):  
Near Infrared ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Circularly Polarized ◽  
Polymer Light Emitting Diodes ◽  
Nir Luminescence

Correction for ‘Efficient polymer light-emitting diodes (PLEDs) based on chiral [Pt(C^N)(N^O)] complexes with near-infrared (NIR) luminescence and circularly polarized (CP) light’ by Guorui Fu et al., J. Mater. Chem. C, 2019, 7, 13743–13747.

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...

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....

Zn2Yb-Grafted and star-shaped metallopolymers for efficient near-infrared (NIR) polymer light-emitting diodes (PLEDs)

2018 ◽  
Vol 6 (33) ◽  
pp. 8950-8957 ◽  
Author(s):  
Guorui Fu ◽  
Yani He ◽  
Baoning Li ◽  
Lin Liu ◽  
Wentao Li ◽  
...  
Keyword(s):  
Near Infrared ◽  
Light Emitting Diodes ◽  
Weak Efficiency ◽  
Light Emitting ◽  
Polymer Light Emitting Diodes

The charge-facilitated and BCP-assisted carrier balance of Zn2Yb-grafted and star-shaped metallopolymer poly(3-co-NBE) was used to prepare a Yb3+-centered NIR-PLED that exhibited record electroluminescent performance (irradiance, 90.24 μW cm−2; EQE, 0.065%; Von, 5 V; and weak efficiency roll-off).

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