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Synthesis and electro-optical properties of biphenyl analogues

Title
Synthesis and electro-optical properties of biphenyl analogues
Authors
Kim, KS[Kim, Ki-Soo]Jeong, S[Jeong, Seonju]Kim, C[Kim, Cham]Kim, E[Kim, Eunju]Kwon, Y[Kwon, Younghwan]Kim, H[Kim, Hoyoung]Choi, BD[Choi, Byoung-Dae]Han, YS[Han, Yoon Soo]
DGIST Authors
Jeong, S[Jeong, Seonju]; Kim, C[Kim, Cham]Kim, E[Kim, Eunju]Kim, H[Kim, Hoyoung]Choi, BD[Choi, Byoung-Dae]; Han, YS[Han, Yoon Soo]
Issue Date
2010-04
Citation
Synthetic Metals, 160(7-8), 549-555
Type
Article
Article Type
Article
Keywords
6-PhenylphenanthridineAnthraceneBlue DopantDiodesDouble LayersElectro-Optical PropertiesElectronic Band StructureEmitting LayerEmitting MaterialEnd GroupsHost MaterialsLight-Emitting DiodesLight EmissionMolecular MicrostructureMolecular Orbital EnergyMolecular OrbitalsOptical PropertiesOrganic Light-Emitting DiodeOrganic Light-Emitting Diodes (OLEDs)PhenoxazineSuzuki-Coupling ReactionSynthesis (Chemical)Synthesized MaterialsTetrahydropyreneThermal StabilityThermodynamic Stability
ISSN
0379-6779
Abstract
Three emitting materials containing a biphenyl core connected at both ends with phenoxazine or anthracene groups, 10-(3-(10H-phenoxazin-10-yl)-6-phenylphenanthridin-8-yl)-10H-phenoxazine (DPoPP), 8-(anthracen-10-yl)-3-(anthracen-9-yl)-6-phenylphenanthridine (DAnPP), and 2-(anthracen-10-yl)-7-(anthracen-9-yl)-4,5,9,10-tetrahydropyrene (DAnTP) were synthesized via the C-N Ullmann coupling or C-C Suzuki-coupling reaction. Optical properties, thermal stabilities and molecular orbital energies were analyzed as a function of their molecular microstructure. The thermal stabilities of them were influenced by biphenyl core. On the other hand, their emissions were primarily affected by anthracene or phenoxazine end groups. Two compounds with anthracene moiety at both ends showed electronic band structures suitable for host materials for reported blue dopants. The double-layer OLED (organic light-emitting diode) devices, ITO/NPD/synthesized material/LiF/Al, containing the synthesized materials as emitting layer emitted yellowish-green (DPoPP), greenish-blue (DAnPP) and blue (DAnTP). © 2009 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/20.500.11750/2495
DOI
10.1016/j.synthmet.2009.12.001
Publisher
Elsevier
Related Researcher
Files:
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Collection:
Division of Nano∙Energy Convergence Research1. Journal Articles
Magnetic-Controlled Materials Research Group1. Journal Articles


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