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Conference Paper: The effect of the CsCl buffer layer on the performances of the organic electroluminescent devices

TitleThe effect of the CsCl buffer layer on the performances of the organic electroluminescent devices
Authors
KeywordsOrganic light-emitting device
EL efficiency
CsCl
Issue Date2003
Citation
Proceedings of SPIE - The International Society for Optical Engineering, 2003, v. 5280 II, p. 690-694 How to Cite?
AbstractWe studied electron injection form Al cathode into the tris(8- hydroxyquinoline)aluminum (Alq3). When a thin CsCl layer is inserted between Alq3 and Al, a substantial enhancement in electron injection is observed. The results show that the device with the cathode containing the ultrathin CsCl layer has a higher brightness and electroluminescent efficiency than the device without this layer. Further, organic light-emitting devices (OLEDs) based on tris-(8-hydroxyquinoline)aluminuni using a trilayer of CsCl/LiF/Al as cathodes have been fabricated. The results show that the device with the cathode containing 0.5 nm CsCl layer and 1.0 nm LiF layer has a higher brightness and electroluminescent efficiency than that of the device with LiF/Al or CsCl/Al cathodes. The maximum EL efficiency of the CsCl/LiF/Al cathode device is 3.41 cd/A, which is higher than the 2.74 cd/A of the LiF/Al device and 2.49 cd/A of the CsCl/Al device.
Persistent Identifierhttp://hdl.handle.net/10722/225866
ISSN

 

DC FieldValueLanguage
dc.contributor.authorXie, Wenfa-
dc.contributor.authorHou, Jingying-
dc.contributor.authorZhao, Yi-
dc.contributor.authorCheng, Gang-
dc.contributor.authorLiu, Shiyong-
dc.date.accessioned2016-05-23T02:21:59Z-
dc.date.available2016-05-23T02:21:59Z-
dc.date.issued2003-
dc.identifier.citationProceedings of SPIE - The International Society for Optical Engineering, 2003, v. 5280 II, p. 690-694-
dc.identifier.issn0277-786X-
dc.identifier.urihttp://hdl.handle.net/10722/225866-
dc.description.abstractWe studied electron injection form Al cathode into the tris(8- hydroxyquinoline)aluminum (Alq3). When a thin CsCl layer is inserted between Alq3 and Al, a substantial enhancement in electron injection is observed. The results show that the device with the cathode containing the ultrathin CsCl layer has a higher brightness and electroluminescent efficiency than the device without this layer. Further, organic light-emitting devices (OLEDs) based on tris-(8-hydroxyquinoline)aluminuni using a trilayer of CsCl/LiF/Al as cathodes have been fabricated. The results show that the device with the cathode containing 0.5 nm CsCl layer and 1.0 nm LiF layer has a higher brightness and electroluminescent efficiency than that of the device with LiF/Al or CsCl/Al cathodes. The maximum EL efficiency of the CsCl/LiF/Al cathode device is 3.41 cd/A, which is higher than the 2.74 cd/A of the LiF/Al device and 2.49 cd/A of the CsCl/Al device.-
dc.languageeng-
dc.relation.ispartofProceedings of SPIE - The International Society for Optical Engineering-
dc.subjectOrganic light-emitting device-
dc.subjectEL efficiency-
dc.subjectCsCl-
dc.titleThe effect of the CsCl buffer layer on the performances of the organic electroluminescent devices-
dc.typeConference_Paper-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1117/12.520380-
dc.identifier.scopuseid_2-s2.0-2942675057-
dc.identifier.volume5280 II-
dc.identifier.spage690-
dc.identifier.epage694-

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