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タイトル: | Bridged Stilbenes: AIEgens Designed via a Simple Strategy to Control the Non-radiative Decay Pathway |
著者: | Iwai, Riki Suzuki, Satoshi Sasaki, Shunsuke Sairi, Amir Sharidan Igawa, Kazunobu Suenobu, Tomoyoshi Morokuma, Keiji Konishi, Gen-ichi |
著者名の別形: | 岩井, 梨輝 鈴木, 聡 井川, 和宣 未延, 知義 諸熊, 奎治 小西, 玄一 |
キーワード: | aggregation–induced emission control of conical intersection accessibility luminogens non-radiative decay stilbene |
発行日: | 26-Mar-2020 |
出版者: | Wiley |
誌名: | Angewandte Chemie International Edition |
巻: | 59 |
号: | 26 |
開始ページ: | 10566 |
終了ページ: | 10573 |
抄録: | To broaden the application of aggregation‐induced emission (AIE) luminogens (AIEgens), the design of novel small‐molecular dyes that exhibit high fluorescence quantum yield (Φfl) in the solid state is required. Considering that the mechanism of AIE can be rationalized based on steric avoidance of non‐radiative decay pathways, a series of bridged stilbenes was designed, and their non‐radiative decay pathways were investigated theoretically. Bridged stilbenes with short alkyl chains exhibited a strong fluorescence emission in solution and in the solid state, while bridged stilbenes with long alkyl chains exhibited AIE. Based on this theoretical prediction, we developed the bridged stilbenes BPST[7] and DPB[7], which demonstrate excellent AIE behavior. |
記述: | 理論計算による新設計法で凝集誘起発光色素の開発に成功 --見たい対象だけ光らせる分子イメージング蛍光色素の自在設計--. 京都大学プレスリリース. 2020-04-08. |
著作権等: | This is the peer reviewed version of the following article: R. Iwai, S. Suzuki, S. Sasaki, A. S. Sairi, K. Igawa, T. Suenobu, K. Morokuma, G.-i. Konishi, Angew. Chem. Int. Ed. 2020 , 59 , 10566, which has been published in final form at https://doi.org/10.1002/anie.202000943. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. The full-text file will be made open to the public on 26 March 2021 in accordance with publisher's 'Terms and Conditions for Self-Archiving'. This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 |
URI: | http://hdl.handle.net/2433/253561 |
DOI(出版社版): | 10.1002/anie.202000943 |
PubMed ID: | 32119188 |
関連リンク: | https://www.kyoto-u.ac.jp/ja/research-news/2020-04-08-0 |
出現コレクション: | 学術雑誌掲載論文等 |
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