Composition Dependent Dynamic Behaviors of Non-Stoichiometric Cocrystalline Hydrogen-Bonded Organic Frameworks

Hashimoto, Taito; Oketani, Ryusei; Hisaki, Ichiro

Small, 2025, 21(49), e08763

アクセス数:98件（2026-02-16 07:25 集計）

固定URL: https://hdl.handle.net/11094/103454

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論文情報

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タイトル
Composition Dependent Dynamic Behaviors of Non-Stoichiometric Cocrystalline Hydrogen-Bonded Organic Frameworks
著者
ORCID
0009-0000-0288-4768 0009-0000-0288-4768
著者名
Hashimoto, Taito
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
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
carboxylic acid
flexible framework
hydrogen bond
mixed crystal
内容
Hashimoto T., Oketani R., Hisaki I.. Composition Dependent Dynamic Behaviors of Non-Stoichiometric Cocrystalline Hydrogen-Bonded Organic Frameworks. Small 21, e08763 (2025); https://doi.org/10.1002/smll.202508763.
抄録
Non-stoichiometric multicomponent crystals have the potential not only to fine-tune material properties but also to emerge new functionalities. In this paper, the composition-dependent dynamic transformation of non-stoichiometric cocrystalline hydrogen-bonded organic frameworks (NS-HOFs) composed of tetrakis(4-carboxyphenyl)hexahydropyrene and -pyrene derivatives (CP-Hp and CP-Py, respectively) is reported. Isostructural mono-component frameworks of CP-Hp and CP-Py (CP-Hp-1 and CP-Py-1, respectively) underwent structural transformation into the corresponding shrunk frameworks (CP-Hp-2 and CP-Py-2, respectively) by spontaneous release of the included solvent molecules, where the transformation speed of CP-Hp-1 is faster than that of CP-Py-1. NS-HOFs of CP-Hp and CP-Py, denoted by CP-HpPy-1(x), where x is the mixing ratio of CP-Hp, show the transformation into CP-HpPy-2(x), and the transformation behaviors strongly depend on the composition ratio. Interestingly, the transformation speed is not proportional to the composition ratio, while the maximum speed is observed for CP-HpPy-1(0.5). This is, to the best of these knowledge, the first example of composition-dependent structural changes in non-stoichiometric cocrystalline frameworks, demonstrating that dynamic behaviors can be modulated nonlinearly by the composition of the frameworks and shedding light on new aspects of porous soft crystals.
出版者
John Wiley and Sons Inc
収録物名
Small
巻(号)
21(49)
ページ
e08763
刊行年月
2025-12-10
言語
英語
ハンドルURL
https://hdl.handle.net/11094/103454
PISSN
16136810
eISSN
16136829
関連情報 (isIdenticalTo)
DOI (出版社版)
https://doi.org/10.1002/smll.202508763
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.
出版タイプ
Version of Record
カテゴリ
学術雑誌論文 Journal Article