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A double interlocking strategy for narrowband ultra-violet emitters (CIEy ≈ 0.029) with dual functionality for efficient OLEDs

delete2025-07-30
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PRE
AI
P
P Keerthika
S
Seungwon Han
A
Ankit Kumar
N
N. Venkatramaiah
K
Kenkera Rayappa Naveen
J
Jun Yeob Lee
R
Rajendra Kumar Konidena *
DOI：10.1039/D5CC02584Bdelete
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Abstract

Abstract

En 中文
We unveiled a double interlocking strategy to construct a narrowband ultraviolet (UV) emitter based on indolo[3; 2; 1-jk]carbazole. The emitter exhibited pure UV emission (λem ∼ 398 nm) with a narrow FWHM of 24 nm. As an OLED emitter; it demonstrated an EQEmax of 4.2% and CIEy of 0.024. Used as a host for green PhOLEDs; it delivered EQEmax of 18.5% with an extremely low roll-off of 1% at 3000 cd m−2.
Keywords:
indolo[3
2
1-jk]carbazole
narrowband UV emitter
OLED
phosphorescent OLED
host material

Journal

Chemical Communications cover
Chemical Communications
IF:
4.2
Papers:
5.9W
Citations:
16.5W

Organization

No organization information available