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Blue Emitters Based on Aryl End-Capped Pyrene Groups for OLEDs
- Authors
- Kim, C. W.; Park, S. N.; Lee, S. B.; Kim, J. J.; Lee, H. W.; Kim, Y. K.; Yoon, S. S.
- Issue Date
- Mar-2016
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Pyrene; Blue Fluorescence; OLEDs; Suzuki Reaction
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.16, no.3, pp.2912 - 2915
- Journal Title
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
- Volume
- 16
- Number
- 3
- Start Page
- 2912
- End Page
- 2915
- ISSN
- 1533-4880
- Abstract
- We have synthesized four pyrene-derived blue emitting materials using Suzuki cross coupling reactions. All OLED devices using these materials as emitting materials showed efficient blue electroluminescence (EL). Particularly, a device using 1,1'-(9,9-dimethyl-9H-fluorene-2,7-diyl) bis-pyrene (1) showed best EL properties with the luminous efficiency of 4.32 cd/A, the power efficiency of 3.98 lm/W and the external quantum efficiency of 2.48% at 500 cd/m(2).
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Related Researcher
- Kim, Young Kwan
- Engineering (Applied Science)