Article Stepwise Construction of Supramolecular A2B4-type Miktoarm Star Copolymers with a Cobalt Phthalocyanine Core

Xinhao Zhong SAMURAI ORCID (Research Center for Macromolecules and Biomaterials/Macromolecules Field/Molecular Design and Function Group, National Institute for Materials ScienceROR) ; Hsu-Tzu Cheng (Research Center for Macromolecules and Biomaterials/Macromolecules Field/Molecular Mechatronics Group, National Institute for Materials Science) ; Chu-Chen Chueh (Department of Chemical Engineering, National Taiwan University, , Taipei, 10617 Taiwan) ; Masayuki Takeuchi SAMURAI ORCID (Research Center for Macromolecules and Biomaterials/Macromolecules Field/Molecular Design and Function Group, National Institute for Materials ScienceROR) ; Junko Aimi SAMURAI ORCID (Research Center for Macromolecules and Biomaterials/Macromolecules Field/Molecular Mechatronics Group, National Institute for Materials ScienceROR)

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Xinhao Zhong, Hsu-Tzu Cheng, Chu-Chen Chueh, Masayuki Takeuchi, Junko Aimi. Stepwise Construction of Supramolecular A2B4-type Miktoarm Star Copolymers with a Cobalt Phthalocyanine Core. CHEMISTRY-A EUROPEAN JOURNAL. 2025, (), e202403749. https://doi.org/10.1002/chem.202403749

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(abstract)

Supramolecular interactions between polymers play a crucial role in the construction of three-dimensional polymer structures with unique physical and chemical properties. In this study, we have fabricated a novel supramolecular miktoarm star copolymer (μ-star) with a cobalt(II) phthalocyanine (CoPc) core using metal–ligand coordination. Axial coordination of the terminal pyridyl group of poly(methyl methacrylate) with the CoPc core of four-armed star-shaped polystyrene provided AB4- and A2B4-type µ-stars through stepwise complexation. The spin-coated polymer films from mixed solutions of CoPcPS4 and pyPMMA in 1:1 or 1:2 mass ratios exhibited phase-separated nanodomains with smooth surfaces. Supramolecular interactions in polymer systems provide a unique topology to polymers and affect their bulk morphology.

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  • In Copyright

    This is the peer reviewed version of the following article: Stepwise Construction of Supramolecular A2B4-type Miktoarm Star Copolymers with a Cobalt Phthalocyanine Core, which has been published in final form at https://doi.org/10.1002/chem.202403749. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.

Keyword: Cobalt Phthalocyanine, Supramolecular polymer, Miktoarm Star Copolymer

Date published: 2025-01-27

Publisher: Wiley-Blackwell

Journal:

  • CHEMISTRY-A EUROPEAN JOURNAL (ISSN: 15213765) e202403749

Funding:

  • JSPS 21K05220 (高分子の自己組織化を利用する分子メモリ素子開発)
  • JSPS 24K21722 (人工分子機械の機構学的理解)
  • JSPS 24K01475 (制限された動的ユニットを利用するπ電子系積層高分子の合成と評価)
  • JSPS JP20H05868 (高度に組織化された高密度共役分子集積体の光・電子機能)

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5046

First published URL: https://doi.org/10.1002/chem.202403749

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Updated at: 2025-11-19 08:30:07 +0900

Published on MDR: 2025-11-19 08:23:39 +0900

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