Unconventional Three-Armed Luminogens Exhibiting Both Aggregation-Induced Emission and Thermally Activated Delayed Fluorescence Resulting in High-Performing Solution-Processed Organic Light-Emitting Diodes
DC Field | Value | Language |
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dc.contributor.author | Park, Seo Yeon | - |
dc.contributor.author | Choi, Suna | - |
dc.contributor.author | Park, Gi Eun | - |
dc.contributor.author | Kim, Hyung Jong | - |
dc.contributor.author | Lee, Chiho | - |
dc.contributor.author | Moon, Ji Su | - |
dc.contributor.author | Kim, Si Woo | - |
dc.contributor.author | Park, Sungnam | - |
dc.contributor.author | Kwon, Jang Hyuk | - |
dc.contributor.author | Cho, Min Ju | - |
dc.contributor.author | Choi, Dong Hoon | - |
dc.date.accessioned | 2021-09-02T11:39:55Z | - |
dc.date.available | 2021-09-02T11:39:55Z | - |
dc.date.created | 2021-06-19 | - |
dc.date.issued | 2018-05-02 | - |
dc.identifier.issn | 1944-8244 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/75576 | - |
dc.description.abstract | In this work, three-armed luminogens IAcTr-out and IAcTr-in were synthesized and used as emitters bearing triazine and indenoacridine moieties in thermally activated delayed fluorescence organic light-emitting diodes (OLEDs). These molecules could form a uniform thin film via the solution process and also allowed the subsequent deposition of an electron transporting layer either by vacuum deposition or by an all-solution coating method. Intriguingly, the new luminogens displayed aggregation-induced emission (AIE), which is a unique photophysical phenomenon. As a nondoped emitting layer (EML), IAcTr-in showed external quantum efficiencies (EQEs) of 11.8% for the hybrid-solution processed OLED and 10.9% for the all-solution processed OLED with a low efficiency roll-off. This was evident by the higher photoluminescence quantum yield and higher rate constant of reverse intersystem crossing of IAcTr-in, as compared to IAcTr-out. These AIE luminogens were used as dopants and mixed with the well-known host material 1,3-bis(N-carbazolyl)benzene (mCP) to produce a high-efficiency OLED with a two-component EML. The maximum EQE of 17.5% was obtained when using EML with IAcTr-out doping (25 wt %) into mCP, and the OLED with EML bearing IAcTr-in and mCP showed a higher maximum EQE of 18.4% as in the case of the nondoped EML-based device. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.subject | EFFICIENCY ROLL-OFF | - |
dc.subject | QUANTUM EFFICIENCY | - |
dc.subject | CHARGE-TRANSFER | - |
dc.subject | HOST MATERIALS | - |
dc.subject | PURE BLUE | - |
dc.subject | EMITTERS | - |
dc.subject | CARBAZOLE | - |
dc.subject | MOLECULES | - |
dc.subject | DEVICES | - |
dc.subject | GREEN | - |
dc.title | Unconventional Three-Armed Luminogens Exhibiting Both Aggregation-Induced Emission and Thermally Activated Delayed Fluorescence Resulting in High-Performing Solution-Processed Organic Light-Emitting Diodes | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Park, Sungnam | - |
dc.contributor.affiliatedAuthor | Choi, Dong Hoon | - |
dc.identifier.doi | 10.1021/acsami.7b19681 | - |
dc.identifier.scopusid | 2-s2.0-85046398018 | - |
dc.identifier.wosid | 000431723400080 | - |
dc.identifier.bibliographicCitation | ACS APPLIED MATERIALS & INTERFACES, v.10, no.17, pp.14966 - 14977 | - |
dc.relation.isPartOf | ACS APPLIED MATERIALS & INTERFACES | - |
dc.citation.title | ACS APPLIED MATERIALS & INTERFACES | - |
dc.citation.volume | 10 | - |
dc.citation.number | 17 | - |
dc.citation.startPage | 14966 | - |
dc.citation.endPage | 14977 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Science & Technology - Other Topics | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalWebOfScienceCategory | Nanoscience & Nanotechnology | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.subject.keywordPlus | EFFICIENCY ROLL-OFF | - |
dc.subject.keywordPlus | QUANTUM EFFICIENCY | - |
dc.subject.keywordPlus | CHARGE-TRANSFER | - |
dc.subject.keywordPlus | HOST MATERIALS | - |
dc.subject.keywordPlus | PURE BLUE | - |
dc.subject.keywordPlus | EMITTERS | - |
dc.subject.keywordPlus | CARBAZOLE | - |
dc.subject.keywordPlus | MOLECULES | - |
dc.subject.keywordPlus | DEVICES | - |
dc.subject.keywordPlus | GREEN | - |
dc.subject.keywordAuthor | three-armed luminogen | - |
dc.subject.keywordAuthor | aggregation-induced emission | - |
dc.subject.keywordAuthor | solution-process | - |
dc.subject.keywordAuthor | thermally activated delayed fluorescence | - |
dc.subject.keywordAuthor | organic light-emitting diodes | - |
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