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Uniform two-dimensional square assemblies from conjugated block copolymers driven by π–π interactions with controllable sizes

Author

Listed:
  • Liang Han

    (Southern University of Science and Technology)

  • Meijing Wang

    (Southern University of Science and Technology)

  • Xiangmeng Jia

    (Institute of Theoretical Chemistry, Jilin University)

  • Wei Chen

    (Argonne National Laboratory
    Institute of Molecular Engineering, The University of Chicago)

  • Hujun Qian

    (Institute of Theoretical Chemistry, Jilin University)

  • Feng He

    (Southern University of Science and Technology)

Abstract

Two-dimensional (2-D) micro- and nano-architectures are attractive because of their unique properties. However, the formation of 2-D supramolecular highly symmetrical structures with considerable control is still a major challenge. Here we present a simple approach for the preparation of regular and homogeneous 2-D fluorescent square non-crystallization micelles with conjugated diblock copolymers PPV12-b-P2VP n through a process of dissolving–cooling–aging. The scale of the formed micelles can be controlled by the ratio of PPV/P2VP blocks and the concentration of the solution. The results reveal that the micelles of PPV12-b-P2VP n initially form 1-D structures and then grow into 2-D structures in solution, and the growth is driven by intermolecular π–π interactions with the PPV12 blocks. The formation of 2-D square micelles is induced by herringbone arrangement of the molecules, which is closely related to the presence of the branched alkyl chains attached to conjugated PPV12 cores.

Suggested Citation

  • Liang Han & Meijing Wang & Xiangmeng Jia & Wei Chen & Hujun Qian & Feng He, 2018. "Uniform two-dimensional square assemblies from conjugated block copolymers driven by π–π interactions with controllable sizes," Nature Communications, Nature, vol. 9(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-03195-y
    DOI: 10.1038/s41467-018-03195-y
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    Cited by:

    1. Chenglong Liao & Yanjun Gong & Yanxue Che & Hongwei Ji & Bing Liu & Ling Zang & Yanke Che & Jincai Zhao, 2024. "Concentric hollow multi-hexagonal platelets from a small molecule," Nature Communications, Nature, vol. 15(1), pages 1-7, December.

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