Organic light-Emitting diode based on bis(10-phenylanthracen-9-yl)benzene derivatives with a stable white emission
作者： Young Seok Kim , Jhin-yeong Yoon , Hyun Woo Lee , Jwajin Kim , Song Eun Lee
DOI: 10.1016/J.JPHOTOCHEM.2015.05.027
关键词:
摘要: Abstract In this work, we used the Suzuki cross-coupling reaction to synthesize following two emitting materials: 1,3-bis(10-phenylanthracen-9-yl)benzene ( 1 ) and 2,6-bis(10-phenylanthracen-9-yl)pyridine 2 ). To investigate electroluminescent (EL) properties of these materials, multilayered organic light-emitting diodes (OLEDs) devices were fabricated in sequence: indium-tin-oxide (ITO) (180 nm)/4,4′-bis( N -(1-naphthyl)- -phenylamino)biphenyl (NPB) (50 nm)/emitting materials (40 nm)/ tris (8-hydroxyquinolinato)aluminium (Alq 3 (15 nm)/lithium quinolate (Liq) (2 nm)/Al (100 nm). Of special significance, a device using as an material showed white emission with maximum luminance, luminous, power, external quantum efficiency values 1727 cd/m , 1.74 cd/A, 0.78 lm/W, 0.67% at 20 mA/cm respectively, well CIE coordinates (0.31, 0.44) 7 V. Another exhibited sky-blue 2279 cd/m 1.95 cd/A, 0.97 lm/W, 0.93% respectively (0.24, 0.29)
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