Highly efficient organic light-emitting diodes with a quantum dot interfacial layer.
Advanced organic light-emitting diodes (OLEDs), based on a multiple structure, were achieved in combination with a quantum dot (QD) interfacial layer. The authors used core/shell CdSe/ZnS QDs passivated with trioctylphosphine oxide (TOPO) and TOPO-free QDs as interlayers. Multiple-structure OLEDs (MOLEDs) with TOPO-free QDs showed higher device efficiency because of a well-defined interfacial monolayer formation. Additionally, the three-unit MOLED showed high performance for device efficiency with double-structured QD interfacial layers due to the enhanced charge balance and recombination probability.
AMOLED Business Team, Samsung SDI, Co., Ltd, Yongin-City, Gyeonggi-Do, Korea. justie74@yonsei.ac.kr
Seung Yoon
SY
Ryu
Byoung Har
BH
Hwang
Ki Wan
KW
Park
Hyeon Seok
HS
Hwang
Jin Woo
JW
Sung
Hong Koo
HK
Baik
Chang Ho
CH
Lee
Seung Yong
SY
Song
Jun Yeob
JY
Lee