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dc.contributor.authorLiu, Junen_US
dc.contributor.authorWang, Jingen_US
dc.contributor.authorHuang, Saijunen_US
dc.contributor.authorChen, Hsi-Anen_US
dc.contributor.authorHe, Gufengen_US
dc.date.accessioned2014-12-08T15:29:53Z-
dc.date.available2014-12-08T15:29:53Z-
dc.date.issued2013-03-01en_US
dc.identifier.issn1862-6300en_US
dc.identifier.urihttp://dx.doi.org/10.1002/pssa.201228727en_US
dc.identifier.urihttp://hdl.handle.net/11536/21421-
dc.description.abstractWe demonstrate highly efficient blue phosphorescence organic light-emitting diodes (PHOLED) with irregular stepwise-doping emitting layers (EMLs). High efficiency is realized by inserting a high-doping EML between two relatively low-doping EMLs. Peak luminous efficiency and power efficiency of 19.2cdA1 and 18.0lmW1 are achieved, while those of a continuous stepwise-doping device are 9.8cdA1 and 8.6lmW1. The dramatic efficiency enhancement is mainly attributed to the high holeelectron recombination probability and suppressed triplet excitons quenching by fine tuning the doping concentrations in the EMLs.en_US
dc.language.isoen_USen_US
dc.subjectdoping profileen_US
dc.subjectefficiencyen_US
dc.subjectorganic light-emitting diodesen_US
dc.subjectphosphorescenceen_US
dc.titleImproved efficiency of blue phosphorescence organic light-emitting diodes with irregular stepwise-doping emitting layersen_US
dc.typeEditorial Materialen_US
dc.identifier.doi10.1002/pssa.201228727en_US
dc.identifier.journalPHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCEen_US
dc.citation.volume210en_US
dc.citation.issue3en_US
dc.citation.spage489en_US
dc.citation.epage493en_US
dc.contributor.department友訊交大聯合研發中心zh_TW
dc.contributor.departmentD Link NCTU Joint Res Ctren_US
dc.identifier.wosnumberWOS:000315959800010-
dc.citation.woscount2-
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