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Article: A highly efficient, blue-phosphorescent device based on a wide-bandgap host/FIrpic: Rational design of the carbazole and phosphine oxide moieties on tetraphenylsilane

TitleA highly efficient, blue-phosphorescent device based on a wide-bandgap host/FIrpic: Rational design of the carbazole and phosphine oxide moieties on tetraphenylsilane
Authors
Keywordsphosphine oxide
tetraphenylsilane
wide bandgap materials
carbazole
Issue Date2012
Citation
Advanced Functional Materials, 2012, v. 22, n. 13, p. 2830-2836 How to Cite?
AbstractA new series of wide-bandgap materials, 4-dipenylphosphine oxide-4'-9H-carbazol-9-yl-tetraphenylsilane (CSPO), 4-diphenylphosphine oxide-4',4″-di(9H-carbazol-9-yl)-tetraphenylsilane (pDCSPO), 4-diphenylphosphine oxide -4'-[3-(9H-carbazol-9-yl)-carbazole-9-yl]- tetraphenylsilane (DCSPO), 4-diphenylphosphine oxide-4',4″,4″'- tri(9H-carbazol-9-yl)-tetraphenylsilane (pTCSPO) and 4-diphenylphosphine oxide -4'-[3,6-di(9H-carbazol-9-yl)-9H-carbazol-9-yl]-tetraphenylsilane (TCSPO), containing different ratios and linking fashions of p-type carbazole units and n-type phosphine oxide units, are designed and obtained. DCSPO is the best host in FIrpic-doped devices for this series of compounds. By utilizing DCzSi and DPOSi as hole- and electron-transporting layers, a high EQE of 27.5% and a maximum current efficiency of 49.4 cd A -1 are achieved in the DCSPO/FIrpic doped device. Even at 10 000 cd m -2, the efficiencies still remain 41.2 cd A -1 and 23.0%, respectively. © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Persistent Identifierhttp://hdl.handle.net/10722/225892
ISSN
2015 Impact Factor: 11.382
2015 SCImago Journal Rankings: 5.210

 

DC FieldValueLanguage
dc.contributor.authorLiu, He-
dc.contributor.authorCheng, Gang-
dc.contributor.authorHu, Dehua-
dc.contributor.authorShen, Fangzhong-
dc.contributor.authorLv, Ying-
dc.contributor.authorSun, Guannan-
dc.contributor.authorYang, Bing-
dc.contributor.authorLu, Ping-
dc.contributor.authorMa, Yuguang-
dc.date.accessioned2016-05-23T02:22:05Z-
dc.date.available2016-05-23T02:22:05Z-
dc.date.issued2012-
dc.identifier.citationAdvanced Functional Materials, 2012, v. 22, n. 13, p. 2830-2836-
dc.identifier.issn1616-301X-
dc.identifier.urihttp://hdl.handle.net/10722/225892-
dc.description.abstractA new series of wide-bandgap materials, 4-dipenylphosphine oxide-4'-9H-carbazol-9-yl-tetraphenylsilane (CSPO), 4-diphenylphosphine oxide-4',4″-di(9H-carbazol-9-yl)-tetraphenylsilane (pDCSPO), 4-diphenylphosphine oxide -4'-[3-(9H-carbazol-9-yl)-carbazole-9-yl]- tetraphenylsilane (DCSPO), 4-diphenylphosphine oxide-4',4″,4″'- tri(9H-carbazol-9-yl)-tetraphenylsilane (pTCSPO) and 4-diphenylphosphine oxide -4'-[3,6-di(9H-carbazol-9-yl)-9H-carbazol-9-yl]-tetraphenylsilane (TCSPO), containing different ratios and linking fashions of p-type carbazole units and n-type phosphine oxide units, are designed and obtained. DCSPO is the best host in FIrpic-doped devices for this series of compounds. By utilizing DCzSi and DPOSi as hole- and electron-transporting layers, a high EQE of 27.5% and a maximum current efficiency of 49.4 cd A -1 are achieved in the DCSPO/FIrpic doped device. Even at 10 000 cd m -2, the efficiencies still remain 41.2 cd A -1 and 23.0%, respectively. © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.-
dc.languageeng-
dc.relation.ispartofAdvanced Functional Materials-
dc.subjectphosphine oxide-
dc.subjecttetraphenylsilane-
dc.subjectwide bandgap materials-
dc.subjectcarbazole-
dc.titleA highly efficient, blue-phosphorescent device based on a wide-bandgap host/FIrpic: Rational design of the carbazole and phosphine oxide moieties on tetraphenylsilane-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1002/adfm.201103126-
dc.identifier.scopuseid_2-s2.0-84863691720-
dc.identifier.volume22-
dc.identifier.issue13-
dc.identifier.spage2830-
dc.identifier.epage2836-
dc.identifier.eissn1616-3028-

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