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New Blue Emitting Material with Asymmetric Limb Structure
- Authors
- Hahn, Seung-Hoon; Lee, Jonghee; Chu, Hye Yong; Lee, Jeong-Ik; Lee, Yun Ji; Hwang, Jaeyoung; Shin, Sung Chul; Kim, Yun-Hi
- Issue Date
- Jan-2015
- Publisher
- American Scientific Publishers
- Keywords
- Blue Emitting; Astmmetric Limb Structure; Anthracene; OLEDs
- Citation
- Journal of Nanoscience and Nanotechnology, v.15, no.1, pp 355 - 359
- Pages
- 5
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Journal of Nanoscience and Nanotechnology
- Volume
- 15
- Number
- 1
- Start Page
- 355
- End Page
- 359
- ISSN
- 1533-4880
1533-4899
- Abstract
- The new assymmetric limb-structured blue light emitting material, composed of anthracene main core, naphthalene units at 9, 10-position of anthracene and xylene units at 2,3-positon of anthracene, was designed and synthesized. The three-dimensional structure from theoretical calculation was characterized to elucidate non-copolar structure with inhibited intermolecular interaction. The limb-structured blue material was thermally stable up to 373 degrees C with T-g of 143 degrees C. ITO/TAPC/CBP (3% BMPNA)/Bphen/LiF/Al device exhibits the maximum quantum efficiency of 3.42% and maximum current efficiency of 3.07 cd/A with deep blue emission of (0.141, 0.115) CIE coordinates.
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