Simple luminescent phenanthroimidazole emitters for solution-processed non-doped organic light-emitting electrochemical cells

2021 ◽  
Author(s):  
Kanagaraj Shanmugasundaram ◽  
HyeIn Been ◽  
Jino C. John ◽  
Archana Puthanveedu ◽  
Nguyet N. T. Pharm ◽  
...  
Keyword(s):  
Commercial Application ◽  
Electrochemical Cells ◽  
Luminescent Materials ◽  
Solution Processed ◽  
Light Emitting ◽  
Organic Light

Organic luminescent materials with leveraging properties have attracted urgent demand for their commercial application in lighting devices.

scholarly journals ITO-Free, Fully Solution Processed Transparent Organic Light-Emitting Electrochemical Cells on Thin Glass

2017 ◽  
Vol 4 (4) ◽  
pp. 5039-5044 ◽  
Author(s):  
Z. Shu ◽  
F. Kemper ◽  
E. Beckert ◽  
R. Eberhardt ◽  
A. Tünnermann
Keyword(s):  
Electrochemical Cells ◽  
Solution Processed ◽  
Thin Glass ◽  
Light Emitting ◽  
Organic Light

Mono-, di- and tri-nuclear PtII(C^N)(N-donor ligand)Cl complexes showing aggregation-induced phosphorescent emission (AIPE) behavior for efficient solution-processed organic light-emitting devices

2021 ◽  
Author(s):  
Xi Chen ◽  
Yuling Sun ◽  
Xinyi Zhao ◽  
Xuming Deng ◽  
Xiaolong Yang ◽  
...  
Keyword(s):  
Efficient Solution ◽  
Solution Processed ◽  
Donor Ligand ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Organic Light ◽  
Organic Light Emitting Devices

Mono-, di- and tri-nuclear PtII(C^N)(N-donor ligand)Cl complexes Ph-PAYPt1, Ph-PAYPt2 and Ph-PAYPt3 are designed and prepared.

scholarly journals Molecular design of efficient yellow- to red-emissive alkynylgold(iii) complexes for the realization of thermally activated delayed fluorescence (TADF) and their applications in solution-processed organic light-emitting devices

2021 ◽  
Author(s):  
Cathay Chai Au-Yeung ◽  
Lok-Kwan Li ◽  
Man-Chung Tang ◽  
Shiu-Lun Lai ◽  
Wai-Lung Cheung ◽  
...  
Keyword(s):  
Molecular Design ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Thermally Activated ◽  
New Class ◽  
Organic Light ◽  
Tunable Emission

We report the design of a new class of fused heterocyclic alkynyl ligand-containing gold(iii) complexes, which shows tunable emission colors spanning yellow to red region and exhibits thermally activated delayed fluorescence (TADF) properties.

scholarly journals Solution-Processed Efficient Blue Phosphorescent Organic Light-Emitting Diodes (PHOLEDs) Enabled by Hole-Transport Material Incorporated Single Emission Layer

Materials ◽  
2021 ◽  
Vol 14 (3) ◽  
pp. 554
Author(s):  
Taeshik Earmme
Keyword(s):  
Light Emitting Diodes ◽  
Blue Emission ◽  
Hole Transport ◽  
Organic Light Emitting Diodes ◽  
Emission Layer ◽  
Solution Processed ◽  
Light Emitting ◽  
Organic Light ◽  
Single Emission ◽  
Blue Phosphorescent

Solution-processed blue phosphorescent organic light-emitting diodes (PHOLEDs) based on a single emission layer with small-molecule hole-transport materials (HTMs) are demonstrated. Various HTMs have been readily incorporated by solution-processing to enhance hole-transport properties of the polymer-based emission layer. Poly(N-vinylcarbazole) (PVK)-based blue emission layer with iridium(III) bis(4,6-(di-fluorophenyl)pyridinato-N,C2′)picolinate (FIrpic) triplet emitter blended with solution-processed 1,1-bis[(di-4-tolylamino)phenyl]cyclohexane (TAPC) gave luminous efficiency of 21.1 cd/A at a brightness of 6220 cd/m2 with an external quantum efficiency (EQE) of 10.6%. Blue PHOLEDs with solution-incorporated HTMs turned out to be 50% more efficient compared to the reference device without HTMs. The high hole mobility, high triplet energy of HTM, and favorable energy transfer between HTM blended PVK host and FIrpic blue dopant were found to be important factors for achieving high device performance. The results are instructive to design and/or select proper hole-transport materials in solution-processed single emission layer.

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