Paper Info
Title
The effect of various electrodes on the properties of electroluminescent devices with potassium chloride inside tris (8-hydroxyquinoline) aluminum.
Abstract
The performance of organic light-emitting diodes (OLED), based on NPB/Alq 3 /KCl/Alq 3 active regions, with various anode (i.e. ITO and ITO/MoO 3 ) and cathode (i.e. Al and LiF/Al) structures is compared. NPB, Alq 3 , KCl, ITO, MoO 3 , Al and LiF are N,N′-bis-(1-naphthl)-diphenyl-1,1′-biphenyl-4,4′-diamine, tris (8-hydroxyquinoline) aluminum, potassium chloride, indium-tin oxide, molybdenum trioxide, aluminum and lithium fluoride, respectively. When bare Al is used as a cathode, both luminance and efficiency are improved by the insertion of KCl inside Alq 3 ( anode /NPB/Alq 3 /KCl/Alq 3 /Al), compared to a control device ( anode /NPB/Alq 3 /Al). This is attributed to trap sites induced by KCl layer, which give a better recombination in the devices. However, if the cathode is LiF/Al, the performance of control device ( anode /NPB/Alq 3 /LiF/Al) is superior to that of devices with KCl inside Alq 3 ( anode /NPB/Alq 3 /KCl/Alq 3 /LiF/Al), which is attributed that the probability of electron injection from cathode is decreased.
Year
DOI
Venue
2011
10.1016/j.displa.2011.01.004
Displays
Keywords
Field
DocType
Electrode,Molybdenum trioxide,Potassium chloride,Trap site,Organic light-emitting diode
Analytical chemistry,Oxide,OLED,Lithium fluoride,Anode,Optics,Organic electronics,Engineering,Cathode,Electroluminescence,Molybdenum trioxide
Journal
Volume
Issue
ISSN
32
3
0141-9382
Citations 
PageRank 
References 
0
0.34
2
Authors
7
Name
Order
Citations
PageRank
Zhaoyue Lü110.82
Zhenbo Deng276.20
Zheng Chen332.07
Yuehong Yin421317.26
Denghui Xu575.52
Jing Xiao643.11
Yongsheng Wang743.66