Modular design for constructing narrowband deep-blue multiresonant thermally activated delayed fluorescent emitters for efficient organic light emitting diodes
DC Field | Value | Language |
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dc.contributor.author | Naveen, Kenkera Rayappa | - |
dc.contributor.author | Lee, Hyuna | - |
dc.contributor.author | Seung, Lee Hyun | - |
dc.contributor.author | Jung, Young Hun | - |
dc.contributor.author | Prabhu, C. P. Keshavananda | - |
dc.contributor.author | Muruganantham, Subramanian | - |
dc.contributor.author | Kwon, Jang Hyuk | - |
dc.date.accessioned | 2024-06-10T06:00:23Z | - |
dc.date.available | 2024-06-10T06:00:23Z | - |
dc.date.issued | 2023-01 | - |
dc.identifier.issn | 1385-8947 | - |
dc.identifier.issn | 1873-3212 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/91485 | - |
dc.description.abstract | The simultaneous achievement of high efficiency and deep blue narmwband emission in multi resonant thermally activated delayed fluorescence (MR-TADF) materials are crucial and challenging. Herein we report two deep blue MR-TADF emitters, namely, TPD4PA and tBu-TPD4PA, using double boron, three nitrogen and two oxygen atoms. The design is based on amalgamating the high charge transfer (CT) characteristic moiety into MR-type fragments towards efficient MR-TADF emitters with improved CT characteristics. Both the materials show deep blue photo luminescent emissions of similar to 450 nm with a high photoluminescence quantum yield (PLQY) of similar to 90 %. These materials showed very small singlet-triplet gap (<0.06 eV) and a high rate of reverse intersystem crossing of similar to 2.5 x 10(5) s(-1). The TADF devices based on TPD4PA and tBu-TPD4PA showed maximum external quantum efficiencies of 30.7 and 32.5 %, respectively. Furthermore, both devices exhibited narrow band deep blue emissions and corresponding CIE y coordinates 0.06 and 0.07, which match near NTSC and BT2020 blue color requirements. | - |
dc.language | 영어 | - |
dc.language.iso | ENG | - |
dc.publisher | ELSEVIER SCIENCE SA | - |
dc.title | Modular design for constructing narrowband deep-blue multiresonant thermally activated delayed fluorescent emitters for efficient organic light emitting diodes | - |
dc.type | Article | - |
dc.identifier.wosid | 000862701600001 | - |
dc.identifier.doi | 10.1016/j.cej.2022.138498 | - |
dc.identifier.bibliographicCitation | CHEMICAL ENGINEERING JOURNAL, v.451 | - |
dc.description.isOpenAccess | N | - |
dc.identifier.scopusid | 2-s2.0-85135693717 | - |
dc.citation.title | CHEMICAL ENGINEERING JOURNAL | - |
dc.citation.volume | 451 | - |
dc.type.docType | Article | - |
dc.publisher.location | 스위스 | - |
dc.subject.keywordAuthor | Deep blue | - |
dc.subject.keywordAuthor | OLEDs | - |
dc.subject.keywordAuthor | Multiple resonance effect | - |
dc.subject.keywordAuthor | Thermally activated delayed fluorescence | - |
dc.subject.keywordAuthor | Narrowband emission | - |
dc.subject.keywordPlus | BORYLATION | - |
dc.subject.keywordPlus | EMISSION | - |
dc.subject.keywordPlus | DONOR | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalWebOfScienceCategory | Engineering, Environmental | - |
dc.relation.journalWebOfScienceCategory | Engineering, Chemical | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
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