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Concentric hollow multi-hexagonal platelets from a small molecule

Author

Listed:
  • Chenglong Liao

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Yanjun Gong

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Yanxue Che

    (HT-NOVA Co. Ltd.)

  • Hongwei Ji

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Bing Liu

    (University of Chinese Academy of Sciences
    Chinese Academy of Sciences)

  • Ling Zang

    (University of Utah)

  • Yanke Che

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Jincai Zhao

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

Abstract

The creation of well-defined hollow two-dimensional structures from small organic molecules, particularly those with controlled widths and numbers of segments, remains a formidable challenge. Here we report the fabrication of the well-defined concentric hollow two-dimensional platelets with programmable widths and numbers of segments through constructing a concentric multiblock two-dimensional precursor followed by post-processing. The fabrication of concentric multi-hexagons two-dimensional platelets is realized by the alternative heteroepitaxial growth of two donor-acceptor molecules. Upon ultraviolet irradiation, one of the two donor-acceptor molecules can be selectively oxidized by singlet oxygen generated during the process, and the oxidized product becomes more soluble due to increased polarity. This allows for selective removal of the oxidized segments simply by solvent dissolution, yielding hollow multiblock two-dimensional structures. The hollow two-dimensional platelets can be utilized as templates to lithograph complex electrodes with precisely controlled gap sizes, thereby offering a platform for examining the optoelectronic performance of functional materials.

Suggested Citation

  • 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.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-49995-3
    DOI: 10.1038/s41467-024-49995-3
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    References listed on IDEAS

    as
    1. 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.
    2. Sanghee Yang & Sung-Yun Kang & Tae-Lim Choi, 2021. "Semi-conducting 2D rectangles with tunable length via uniaxial living crystallization-driven self-assembly of homopolymer," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
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