scholarly journals Slot-Die Coating of Double Polymer Layers for the Fabrication of Organic Light Emitting Diodes

Micromachines ◽  
2019 ◽  
Vol 10 (1) ◽  
pp. 53 ◽  
Author(s):  
Amruth C ◽  
Marco Colella ◽  
Jonathan Griffin ◽  
James Kingsley ◽  
Nicholas Scarratt ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Processing Parameters ◽  
Organic Light Emitting Diodes ◽  
Hole Injection ◽  
Light Emitting ◽  
Force Microscopy ◽  
Slot Die Coating ◽  
Atomic Force ◽  
Organic Light ◽  
Slot Die

This study presents the slot-die coating process of two layers of organic materials for the fabrication of organic light emitting diodes (OLEDs). Poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS), which is commonly used in OLEDs and in organic photovoltaic devices as the hole injection layer (HIL), has been deposited via slot-die coating. Uniform films of PEDOT:PSS were obtained after optimizing the slot-die processing parameters: substrate temperature, coating speed, and ink flow rate. The film quality was examined using optical microscopy, profilometry, and atomic force microscopy. Further, poly(9,9-dioctylfluorene) (F8) and poly(9,9-dioctylfluorene-alt-benzothiadiazole) (F8BT), a well know polymer blend F8:F8BT, which is used as an emissive layer in OLEDs, has been slot-die coated. The optoelectronic properties of the slot-die coated F8:F8BT films were examined by means of photoluminescence (PL) and electroluminescence (EL) studies. The fabricated OLEDs, consisting of slot-die coated PEDOT:PSS and F8:F8BT films, were characterized to record the brightness and current efficiency.

Multilayer slot-die coating of large-area organic light-emitting diodes

2015 ◽  
Vol 26 ◽  
pp. 66-74 ◽  
Author(s):  
Kwang-Jun Choi ◽  
Jin-Young Lee ◽  
Jongwoon Park ◽  
Yu-Seok Seo
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Large Area ◽  
Light Emitting ◽  
Slot Die Coating ◽  
Organic Light ◽  
Slot Die

High performance organic light emitting diodes using substoichiometric tungsten oxide as efficient hole injection layer

2012 ◽  
Vol 13 (5) ◽  
pp. 796-806 ◽  
Author(s):  
Maria Vasilopoulou ◽  
George Papadimitropoulos ◽  
Leonidas C. Palilis ◽  
Dimitra G. Georgiadou ◽  
Panagiotis Argitis ◽  
...  
Keyword(s):  
Tungsten Oxide ◽  
High Performance ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Hole Injection ◽  
Light Emitting ◽  
Hole Injection Layer ◽  
Organic Light

scholarly journals Enhanced hole injection in organic light-emitting diodes utilizing a copper iodide-doped hole injection layer

RSC Advances ◽  
2017 ◽  
Vol 7 (22) ◽  
pp. 13584-13589 ◽  
Author(s):  
Meiling Shan ◽  
Haipeng Jiang ◽  
Yu Guan ◽  
Dongsu Sun ◽  
Yu Wang ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Hole Injection ◽  
Copper Iodide ◽  
Light Emitting ◽  
Hole Injection Layer ◽  
Organic Light

We have demonstrated organic light-emitting diodes (OLEDs) by incorporating copper iodide (CuI) in 4,4′,4′′-tris(N-3-methylphenyl-N-phenyl-amino)triphenylamine (m-MTDATA) as a hole injection layer (HIL) based on the emitting system of C545T–Alq3.

Stable solution processed hole injection material for organic light-emitting diodes

2014 ◽  
Vol 15 (10) ◽  
pp. 2513-2517 ◽  
Author(s):  
Szuheng Ho ◽  
Chaoyu Xiang ◽  
Rui Liu ◽  
Neetu Chopra ◽  
Mathew Mathai ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Stable Solution ◽  
Organic Light Emitting Diodes ◽  
Hole Injection ◽  
Solution Processed ◽  
Light Emitting ◽  
Injection Material ◽  
Organic Light
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