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New Blue Emitting Material with Asymmetric Limb Structure
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- 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
- 2015-01
- Citation
- Journal of Nanoscience and Nanotechnology, v.15, no.1, pp.355-359
- ISSN
- 1533-4880
- Publisher
- American Scientific Publishers (ASP)
- Language
- English
- Type
- Journal Article
- 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°C with Tg of 143°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.
- KSP Keywords
- Blue emission, Blue light-emitting, Blue material, Blue-emitting materials, CIE coordinates, Deep blue, Intermolecular interaction, Maximum current, Quantum Efficiency, Theoretical calculation, Thermally stable