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http://dx.doi.org/10.12925/jkocs.2017.34.3.562

Electroluminescence Properties of Simple Anthracene Derivatives Containing Phenyl or Naphthyl Group at 9,10-position for the Blue OLED  

Kim, Si Hyun (Department of Chemical System Engineering, Hongik University)
Lee, Song Eun (Department of Chemical System Engineering, Hongik University)
Kim, Yong Kwan (Department of Chemical System Engineering, Hongik University)
Lee, Seung Hee (Department of Chemical System Engineering, Hongik University)
Publication Information
Journal of the Korean Applied Science and Technology / v.34, no.3, 2017 , pp. 562-567 More about this Journal
Abstract
The organic light-emitting diodes are fabricated with six anthracene derivatives containing simple substituents such as phenyl or naphthyl group. The device structure is as in the following: Indium tin oxide (ITO) (180 nm)/4,4-4,4',4"-tris[N-(1-naphthyl)-N-phenylamino]triphenylamine (2-TNATA) (30 nm)/4,4'-bis[N-(1-naphthyl)-N-phenyl-1-amino] biphenyl (NPB) (20 nm)/Emitting compound (30 nm)/2,2',2"-(1,3,5-Benzinetriyl)-tris (1-phenyl-1-H-benz-imidazole) TPBi (40 nm)/lithium quinolate (Liq) (2 nm)/Al (100 nm). In the emitting layer the anthracene derivatives are used without any dopant. All the six devices show blue emissions. Among the tested diodes, the one with 9-(2-naphthyl)-10-(p-tolyl) anthracene (2-NTA) exhibited luminous efficiency, power and external quantum efficiencies of 3.26 cd/A, 0.98 lm/A, 2.8 % at $20mA/cm^2$.
Keywords
Blue OLED; anthracene; Naphthyl group; Blue emission;
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Times Cited By KSCI : 2  (Citation Analysis)
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