3,6-Di(9-carbazolyl)-9-(2-ethylhexyl)carbazole based single-layer blue organic light emitting diodes

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 2011 English Publisher:Elsevier BVJournal:Synthetic Metals, volume 161, pages 1,343-1,346 (issn: 0379-6779,

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Authors: V.V. Cherpak; P.Y. Stakhira; D.Yu. Volynyuk; J. Simokaitiene; A. Tomkeviciene; J.V. Grazulevicius; A. Bucinskas; +5 Authors

doi: 10.1016/j.synthmet.2011.04.035

3,6-Di(9-carbazolyl)-9-(2-ethylhexyl)carbazole based single-layer blue organic light emitting diodes

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Abstract

Abstract The electroluminescent device ITO/CuI/3,6-di(9-carbazolyl)-9-(2-ethylhexyl)carbazole(TCz1)/Ca/Al in which TCz1 for the first time was used as the emitting layer, was fabricated by means of vacuum deposition. The device emits blue light with a peaks at 388 and 406 nm at 4.5 V, with high current efficiency values (11.5 cd/A) and external quantum efficiency (1.72%).

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