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Article: Effect of a thin layer of tris (8-hydroxyquinoline) aluminum doped with 4-(dicyanomethylene)-2-t-butyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl) on the chromaticity of white organic light-emitting devices

TitleEffect of a thin layer of tris (8-hydroxyquinoline) aluminum doped with 4-(dicyanomethylene)-2-t-butyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl) on the chromaticity of white organic light-emitting devices
Authors
KeywordsOrganic semiconductors
Evaporation
Fluorescence
Luminescence
Issue Date2004
Citation
Thin Solid Films, 2004, v. 467, n. 1-2, p. 231-233 How to Cite?
AbstractEfficient white organic light-emitting devices (OLEDs) are demonstrated by inserting a thin layer of tris (8-hydroxyquinoline) aluminum (Alq) doped with 4-(dicyanomethylene)-2-t-butyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl) (DCJTB) into N,N′-diphenyl-N,N′-bis(1-naphthyl)-(1,1′-biphenyl)-4, 4′-diamine (NPB) layer. Alq without doping is used as an electron-transporting layer and 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline (bathocuproine or BCP) as an exciton-blocking layer. NPB layers are separated by the doped Alq layer, the layer that sandwiched between BCP and doped Alq layers acts as a blue-emitting layer, and the other as a hole-transporting layer. The doped Alq layer acts as a red and green-emitting as well as chromaticity-tuning layer, whose thickness and position as well as the concentration of DCJTB in Alq permit the tuning of the device spectrum to achieve a balanced white emission with Commission Internationale De L'Eclairage (CIE) coordinates of (0.33, 0.33). The device has a maximum luminance of 6745 cd/m2, a maximum external efficiency of 1.36 %, corresponding to 2.56 cd/A. © 2004 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/225883
ISSN
2015 Impact Factor: 1.761
2015 SCImago Journal Rankings: 0.726

 

DC FieldValueLanguage
dc.contributor.authorCheng, Gang-
dc.contributor.authorZhao, Yi-
dc.contributor.authorLi, Feng-
dc.contributor.authorXie, Wenfa-
dc.contributor.authorLiu, Shiyong-
dc.date.accessioned2016-05-23T02:22:03Z-
dc.date.available2016-05-23T02:22:03Z-
dc.date.issued2004-
dc.identifier.citationThin Solid Films, 2004, v. 467, n. 1-2, p. 231-233-
dc.identifier.issn0040-6090-
dc.identifier.urihttp://hdl.handle.net/10722/225883-
dc.description.abstractEfficient white organic light-emitting devices (OLEDs) are demonstrated by inserting a thin layer of tris (8-hydroxyquinoline) aluminum (Alq) doped with 4-(dicyanomethylene)-2-t-butyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl) (DCJTB) into N,N′-diphenyl-N,N′-bis(1-naphthyl)-(1,1′-biphenyl)-4, 4′-diamine (NPB) layer. Alq without doping is used as an electron-transporting layer and 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline (bathocuproine or BCP) as an exciton-blocking layer. NPB layers are separated by the doped Alq layer, the layer that sandwiched between BCP and doped Alq layers acts as a blue-emitting layer, and the other as a hole-transporting layer. The doped Alq layer acts as a red and green-emitting as well as chromaticity-tuning layer, whose thickness and position as well as the concentration of DCJTB in Alq permit the tuning of the device spectrum to achieve a balanced white emission with Commission Internationale De L'Eclairage (CIE) coordinates of (0.33, 0.33). The device has a maximum luminance of 6745 cd/m2, a maximum external efficiency of 1.36 %, corresponding to 2.56 cd/A. © 2004 Elsevier B.V. All rights reserved.-
dc.languageeng-
dc.relation.ispartofThin Solid Films-
dc.subjectOrganic semiconductors-
dc.subjectEvaporation-
dc.subjectFluorescence-
dc.subjectLuminescence-
dc.titleEffect of a thin layer of tris (8-hydroxyquinoline) aluminum doped with 4-(dicyanomethylene)-2-t-butyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl) on the chromaticity of white organic light-emitting devices-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.tsf.2004.04.014-
dc.identifier.scopuseid_2-s2.0-4444342066-
dc.identifier.volume467-
dc.identifier.issue1-2-
dc.identifier.spage231-
dc.identifier.epage233-

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