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Effective thermally activated delayed fluorescence emitter and its performance in OLED device
- Authors
- Park, Woo Jae; Lee, Yosup; Kim, Jun Yun; Yoon, Dae Wi; Kim, Jinook; Chae, Seung Hyun; Kim, Hyojeong; Lee, Gahyeon; Shim, Sangdeok; Yang, Joong Hwan; Lee, Suk Joong
- Issue Date
- 11월-2015
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- TADF; OLED; Fluorescence; Excited state; Inter-conversion
- Citation
- SYNTHETIC METALS, v.209, pp.99 - 104
- Indexed
- SCIE
SCOPUS
- Journal Title
- SYNTHETIC METALS
- Volume
- 209
- Start Page
- 99
- End Page
- 104
- ISSN
- 0379-6779
- Abstract
- Dicyanophenyl derivatives, DCN1-3, were rationally synthesized and their thermally activated delayed fluorescence properties were investigated. OLED devices were further fabricated using DCN1-3. Particularly DCN3 (5-{3,6-di(9H-carbazole-9-yl)-9H-carbazol-9-yl}isophthalonitrile) showed excellent device performances employing TADF mechanism with power efficiency of 15.26Cd/A, luminous efficiency of 8.14 lm/W, the maximum external quantum efficiency of 13.33%, and brightness of 1526 Cd/ m(2). (c) 2015 Elsevier B.V. All rights reserved.
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