Confinement of holes and electrons in blue organic light-emitting diodes with additional red emissive layers
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kang, Jin Sung | - |
dc.contributor.author | Yoo, Seung Il | - |
dc.contributor.author | Kim, Jin Wook | - |
dc.contributor.author | Yoon, Geum Jae | - |
dc.contributor.author | Yi, Seungjun | - |
dc.contributor.author | Kim, Woo Young | - |
dc.date.accessioned | 2021-09-04T03:28:04Z | - |
dc.date.available | 2021-09-04T03:28:04Z | - |
dc.date.created | 2021-06-18 | - |
dc.date.issued | 2016-02 | - |
dc.identifier.issn | 0925-3467 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/89655 | - |
dc.description.abstract | We used various emissive layer (EML) structures with ultrathin red EMLs to enhance the charge carrier balance and carrier recombination rate in blue PHOLED devices. These EML materials have different energy gaps between highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) energy levels. The ultrathin red EMLs, which were inserted in between the blue EMLs, effectively confined the charge carriers in EML, and increased the carrier recombination rate. The thickness of the individual EML was optimized, under 30 nm of the total thickness of EML. The blue PHOLEDs with ultrathin red EMLs achieved a luminous efficiency of 19.24 cd/A, which was 28.7% higher than those without ultrathin red EMLs, and the maximum external quantum efficiency was 11.81% at 500 cd/m(2). (C) 2015 Elsevier B.V. All rights reserved. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER | - |
dc.subject | QUANTUM-WELL | - |
dc.subject | EFFICIENCY | - |
dc.subject | DEVICES | - |
dc.subject | BEHAVIOR | - |
dc.subject | CATHODE | - |
dc.title | Confinement of holes and electrons in blue organic light-emitting diodes with additional red emissive layers | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Yi, Seungjun | - |
dc.identifier.doi | 10.1016/j.optmat.2015.12.026 | - |
dc.identifier.scopusid | 2-s2.0-84959297213 | - |
dc.identifier.wosid | 000370106500028 | - |
dc.identifier.bibliographicCitation | OPTICAL MATERIALS, v.52, pp.181 - 185 | - |
dc.relation.isPartOf | OPTICAL MATERIALS | - |
dc.citation.title | OPTICAL MATERIALS | - |
dc.citation.volume | 52 | - |
dc.citation.startPage | 181 | - |
dc.citation.endPage | 185 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalResearchArea | Optics | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.relation.journalWebOfScienceCategory | Optics | - |
dc.subject.keywordPlus | QUANTUM-WELL | - |
dc.subject.keywordPlus | EFFICIENCY | - |
dc.subject.keywordPlus | DEVICES | - |
dc.subject.keywordPlus | BEHAVIOR | - |
dc.subject.keywordPlus | CATHODE | - |
dc.subject.keywordAuthor | Blue phosphorescent OLED | - |
dc.subject.keywordAuthor | Double dopant | - |
dc.subject.keywordAuthor | Luminous efficiency | - |
dc.subject.keywordAuthor | External quantum efficiency | - |
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.
(02841) 서울특별시 성북구 안암로 14502-3290-1114
COPYRIGHT © 2021 Korea University. All Rights Reserved.
Certain data included herein are derived from the © Web of Science of Clarivate Analytics. All rights reserved.
You may not copy or re-distribute this material in whole or in part without the prior written consent of Clarivate Analytics.