Layer Sliding-Induced Fluorescence Changes in a Flexible Hydrogen-Bonded Organic Framework

Hashimoto, Taito; de la Hoz Tomás, Mario; Oketani, Ryusei et al.

Chemistry - A European Journal, 2025, 31(46), e02078

アクセス数:195件（2026-02-16 13:00 集計）

固定URL: https://hdl.handle.net/11094/102752

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タイトル
Layer Sliding-Induced Fluorescence Changes in a Flexible Hydrogen-Bonded Organic Framework
著者
ORCID
0009-0000-0288-4768 0009-0000-0288-4768
著者名
Hashimoto, Taito
著者名
de la Hoz Tomás, Mario
NRID
1000060874956 1000060874956
ORCID
0000-0001-7860-2456 0000-0001-7860-2456
researchmap permalink
ryuseioketani ryuseioketani
Scopus Author ID
57086955000 57086955000
著者名
Oketani, Ryusei
著者名
Cohen, Boiko
著者名
Douhal, Abderrazzak
NRID
1000090419466 1000090419466
ORCID
0000-0002-8170-5605 0000-0002-8170-5605
researchmap permalink
Ichiro_Hisaki Ichiro_Hisaki
Scopus Author ID
12801798700 12801798700
著者名
Hisaki, Ichiro
キーワード等
crystal engineering
flexible porous material
fluorescence
hydrogen-bonded organic framework
pyrene
内容
Hashimoto T., de la Hoz Tomás M., Oketani R., et al. Layer Sliding-Induced Fluorescence Changes in a Flexible Hydrogen-Bonded Organic Framework. Chemistry - A European Journal 31, e02078 (2025); https://doi.org/10.1002/chem.202502078.
抄録
Flexible hydrogen-bonded organic frameworks (HOFs) capable of changing their fluorescence properties upon structural transformation have gained much attention, while their design strategies have not been established. Herein, we demonstrate that sliding of the robust hydrogen-bonded 2D layers can induce dynamic emission color changes of HOFs. Layered HOF CP-tBPy-1, which is composed of tert-butylpyrene derivative with four carboxyphenyl groups (CP-tBPy), transformed to another crystalline form, CP-tBPy-2, upon release of guest solvent molecules. Single-crystal X-ray diffraction analysis revealed that the sliding of the layers changed the pyrene cores from monomeric to dimeric species, giving rise to fluorescence color changes from blue to green. Fluorescence spectroscopy and single-crystals microscopy disclosed details of the photobehaviors of these HOFs. These results are the first example of fluorescence changes of HOFs due to sliding of hydrogen-bonded 2D network layers, providing a new design strategy to construct functional fluorescent porous materials.
出版者
John Wiley and Sons Inc
収録物名
Chemistry - A European Journal
巻(号)
31(46)
ページ
e02078
刊行年月
2025-07-25
言語
英語
ハンドルURL
https://hdl.handle.net/11094/102752
PISSN
09476539
eISSN
15213765
関連情報 (isIdenticalTo)
DOI (出版社版)
https://doi.org/10.1002/chem.202502078
アクセス権
open access
権利情報
This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
© 2025 The Author(s). Chemistry – A European Journal published by Wiley-VCH GmbH.
出版タイプ
Version of Record
カテゴリ
学術雑誌論文 Journal Article