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Synthesis and Characterization of New Anthracene-Based Blue Host Material
- Authors
- So, Ki Ho; Park, Hyun-Tae; Shin, Sung Chul; Lee, Sang-Gyeong; Lee, Dong Hui; Lee, Kyeong-Hoon; Oh, Hyeong-Yun; Kwon, Soon-Ki; Kim, Yun-Hi
- Issue Date
- Jul-2009
- Publisher
- 대한화학회
- Keywords
- Blue host; Anthracene; Twisted structure; Wide band gap
- Citation
- Bulletin of the Korean Chemical Society, v.30, no.7, pp 1611 - 1615
- Pages
- 5
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- Bulletin of the Korean Chemical Society
- Volume
- 30
- Number
- 7
- Start Page
- 1611
- End Page
- 1615
- ISSN
- 0253-2964
1229-5949
- Abstract
- We designed new anthracene-based host material to increase color purity as well as device efficiency. The new blue host, 9,10-bis(2,4-dimethylphenyl)anthracene (BDA), has highly twisted structure and wide band gap due to ortho interaction between anthracene and introduced 2,4-dimethylphenyl substituents. BDA exhibited deep blue fluorescence in solution (lambda(max) = 410 am) and in solid state (lambda(max) = 429 nm), respectively, with the wide optical band gap (E = 3.12 eV). Blue-light-emitting OLEDs using obtained host and 2% Flu-DPAN as emitter showed 8 cd/A of high efficiency as well as high color purity [CIE coordinates = (0.15, 015)].
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