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Influence of energy gap between charge-transfer and locally excited states on organic long persistence luminescence
https://oist.repo.nii.ac.jp/records/1239
https://oist.repo.nii.ac.jp/records/12395303ebc1-8c3f-47cb-b8d4-e4f2b0c2a827
名前 / ファイル | ライセンス | アクション |
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Lin-2020-Influence of energy gap between charg (977.3 kB)
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Creative Commons Attribution 4.0 International(https://creativecommons.org/licenses/by/4.0/)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-03-09 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Influence of energy gap between charge-transfer and locally excited states on organic long persistence luminescence | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Lin, Zesen
× Lin, Zesen× Kabe, Ryota× Wang, Kai× Adachi, Chihaya |
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書誌情報 |
en : Nature Communications 巻 11, 号 1, p. 191, 発行日 2020-01-10 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Organic long-persistent luminescence (LPL) is an organic luminescence system that slowly releases stored exciton energy as light. Organic LPL materials have several advantages over inorganic LPL materials in terms of functionality, flexibility, transparency, and solution-processability. However, the molecular selection strategies for the organic LPL system still remain unclear. Here we report that the energy gap between the lowest localized triplet excited state and the lowest singlet charge-transfer excited state in the exciplex system significantly controls the LPL performance. Changes in the LPL duration and spectra properties are systematically investigated for three donor materials having a different energy gap. When the energy level of the lowest localized triplet excited state is much lower than that of the charge-transfer excited state, the system exhibits a short LPL duration and clear two distinct emission features originating from exciplex fluorescence and donor phosphorescence. | |||||
出版者 | ||||||
出版者 | Nature Research | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2041-1723 | |||||
PubMed番号 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/31924793 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1038/s41467-019-14035-y | |||||
権利 | ||||||
権利情報 | © 2020 The Author(s) | |||||
情報源 | ||||||
関連名称 | https://creativecommons.org/licenses/by/4.0/ | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.nature.com/articles/s41467-019-14035-y#Sec1 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |