Article Pseudorotaxane monolayers of pillar[5]arene and linear fatty acids at the air–water interface

Masaki Ishii ORCID ; Yuto Nakai ; Yu Yamashita SAMURAI ORCID ; Katsuto Onishi ; Tan-hao Shi ; Nobutaka Shioya ; Hideki Sakai ; Takeshi Hasegawa ORCID ; Tomoki Ogoshi ; Katsuhiko Ariga SAMURAI ORCID ; Taizo Mori

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Masaki Ishii, Yuto Nakai, Yu Yamashita, Katsuto Onishi, Tan-hao Shi, Nobutaka Shioya, Hideki Sakai, Takeshi Hasegawa, Tomoki Ogoshi, Katsuhiko Ariga, Taizo Mori. Pseudorotaxane monolayers of pillar[5]arene and linear fatty acids at the air–water interface. Chemical Communications. 2025, 61 (55), 10138-10141. https://doi.org/10.1039/d5cc01040c

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(abstract)

Pseudorotaxanes, which are formed by macrocyclic host molecules and linear guest molecules, show potential in molecular devices and surface applications. In this study, ethoxy-functionalized pillar[5]arene (P5A) and amphiphilic linear fatty acid guests were self-assembled into oriented monolayers at the air–water interface. The fatty acid structure dictates the monolayer formation: [2]pseudorotaxane-based, [3]pseudorotaxane-based and phase-separated monolayers. These findings provide insights into P5A-based pseudorotaxane monolayers, facilitating their integration into advanced functional materials.

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Keyword: Pseudorotaxane, monolayer, air–water interface, pillar[5]arene, fatty acid

Date published: 2025-06-05

Publisher: Royal Society of Chemistry (RSC)

Journal:

  • Chemical Communications (ISSN: 13597345) vol. 61 issue. 55 p. 10138-10141

Funding:

  • Japan Science and Technology Corporation JPMJFS2144
  • Japan Science and Technology Corporation JP25H00898
  • Japan Science and Technology Corporation JP23H05459
  • Japan Science and Technology Corporation JP23K04703

Manuscript type: Publisher's version (Version of record)

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First published URL: https://doi.org/10.1039/d5cc01040c

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Updated at: 2025-07-07 12:30:21 +0900

Published on MDR: 2025-07-07 12:20:59 +0900

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