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Article: Highly efficient white polymer light-emitting devices based on wide bandgap polymer doped with blue and yellow phosphorescent dyes

TitleHighly efficient white polymer light-emitting devices based on wide bandgap polymer doped with blue and yellow phosphorescent dyes
Authors
Issue Date2010
Citation
Optics Letters, 2010, v. 35, n. 14, p. 2436-2438 How to Cite?
AbstractWe realize high luminous efficiency (LE) in white polymer light-emitting devices by employing a wide bandgap polymer P36HCTPSÍ as host and introducing a blue-yellow two-color system for obtaining white emission. Phosphorescent dopants bis[(4,6-difluorophenyl)pyridinato-N,C 2′]-(picolinato)iridium(III) (FIrpic) and iridium(III) bis(2-(9,9′-spirobi[fluorene]-7-yl)pyridine-N,C2′) acetylacetonate [Ir(SBFP)2 (acac)] were used as blue and yellow emitters, respectively. Electroluminescent spectra and LE were both affected by Ir(SBFP)2 (acac) concentration; the device with low concentration (0.4 wt.%) showed white emission with a LE of 24.1 cd/A at 1000 cd/m 2, while the one with high concentration (4 wt.%) emitted yellowish-white light with a higher LE of 47.3 cd/A at 1000 cd/m2. © 2010 Optical Society of America.
Persistent Identifierhttp://hdl.handle.net/10722/225887
ISSN
2015 Impact Factor: 3.04
2015 SCImago Journal Rankings: 2.397

 

DC FieldValueLanguage
dc.contributor.authorCheng, Gang-
dc.contributor.authorFei, Teng-
dc.contributor.authorDuan, Yu-
dc.contributor.authorZhao, Yi-
dc.contributor.authorMa, Yuguang-
dc.contributor.authorLiu, Shiyong-
dc.date.accessioned2016-05-23T02:22:04Z-
dc.date.available2016-05-23T02:22:04Z-
dc.date.issued2010-
dc.identifier.citationOptics Letters, 2010, v. 35, n. 14, p. 2436-2438-
dc.identifier.issn0146-9592-
dc.identifier.urihttp://hdl.handle.net/10722/225887-
dc.description.abstractWe realize high luminous efficiency (LE) in white polymer light-emitting devices by employing a wide bandgap polymer P36HCTPSÍ as host and introducing a blue-yellow two-color system for obtaining white emission. Phosphorescent dopants bis[(4,6-difluorophenyl)pyridinato-N,C 2′]-(picolinato)iridium(III) (FIrpic) and iridium(III) bis(2-(9,9′-spirobi[fluorene]-7-yl)pyridine-N,C2′) acetylacetonate [Ir(SBFP)2 (acac)] were used as blue and yellow emitters, respectively. Electroluminescent spectra and LE were both affected by Ir(SBFP)2 (acac) concentration; the device with low concentration (0.4 wt.%) showed white emission with a LE of 24.1 cd/A at 1000 cd/m 2, while the one with high concentration (4 wt.%) emitted yellowish-white light with a higher LE of 47.3 cd/A at 1000 cd/m2. © 2010 Optical Society of America.-
dc.languageeng-
dc.relation.ispartofOptics Letters-
dc.titleHighly efficient white polymer light-emitting devices based on wide bandgap polymer doped with blue and yellow phosphorescent dyes-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1364/OL.35.002436-
dc.identifier.scopuseid_2-s2.0-77954982305-
dc.identifier.volume35-
dc.identifier.issue14-
dc.identifier.spage2436-
dc.identifier.epage2438-
dc.identifier.eissn1539-4794-

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