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Design of ortho-linkage carbazole-triazine structure for high-efficiency blue thermally activated delayed fluorescent emitters

Authors
Cha, JR[Cha, Jae-Ryung]Lee, CW[Lee, Chil Won]Lee, JY[Lee, Jun Yeob]Gong, MS[Gong, Myoung-Seon]
Issue Date
Nov-2016
Publisher
ELSEVIER SCI LTD
Keywords
TADF; OLED; Sky blue; Carbazole; Triazine; Blue dopant
Citation
DYES AND PIGMENTS, v.134, pp.562 - 568
Indexed
SCIE
SCOPUS
Journal Title
DYES AND PIGMENTS
Volume
134
Start Page
562
End Page
568
URI
https://scholarworks.bwise.kr/skku/handle/2021.sw.skku/34693
DOI
10.1016/j.dyepig.2016.08.023
ISSN
0143-7208
Abstract
Blue thermally activated delayed fluorescent (TADF) emitters were developed by linking a donor moiety to a triazine core via the ortho-position of an aromatic moiety. Three phenylcarbazole derivatives with different substituents were incorporated into the 4,6-diphenyltriazine core to prepare the blue TADF emitters. The photophysical properties and device performance of the blue TADF emitters were investigated, and the blue TADF emitters with 3,6-dimethyl-9-phenylcarbazole as the donor moiety showed a high quantum efficiency of 14.7%. (C) 2016 Elsevier Ltd. All rights reserved.
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