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High efficient and high color pure blue light emitting materials: New asymmetrically highly twisted host and guest based on anthracene
- Authors
- Kang, Il; Back, Jang-Yeol; Kim, Ran; Kim, Yun-Hi; Kwon, Soon-Ki
- Issue Date
- Jan-2012
- Publisher
- Elsevier BV
- Keywords
- Organic light emitting diodes; Asymmetrically highly twisted anthracene derivative; Blue emission; Color purity; High efficiency; Matched host-guest
- Citation
- Dyes and Pigments, v.92, no.1, pp 588 - 595
- Pages
- 8
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Dyes and Pigments
- Volume
- 92
- Number
- 1
- Start Page
- 588
- End Page
- 595
- ISSN
- 0143-7208
1873-3743
- Abstract
- New asymmetrically highly twisted anthracene derivatives serve as a matched host and guest material in high efficiency blue OLEDs. 2-(2-Methylnaphtathalene-1-yl)-9,10-di(naphthalene-2-yl)anthracene and N-(4-(10-naphthalene-2-yl)anthracene-9-yl)phenyl-N-phenylnaphthalene-2-amine were prepared as host material and as guest material, respectively. Multilayer organic electroluminecent devices constructed using these foregoing twisted anthracene derivatives as the emitting layer gave quantum efficiencies 01 5% and exhibited a pure blue emission with CIE chromaticity coordinates x = 0.15, y = 0.14-0.18. (C) 2011 Elsevier Ltd. All rights reserved.
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