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Stereoselectivity in spontaneous assembly of rolled incommensurate carbon bilayers

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  • Taisuke Matsuno

    (The University of Tokyo)

  • Yutaro Ohtomo

    (The University of Tokyo)

  • Maki Someya

    (The University of Tokyo)

  • Hiroyuki Isobe

    (The University of Tokyo)

Abstract

The periodicity of two-dimensional entities can be manipulated by their stacking assembly, and incommensurate stacks of bilayers are attracting considerable interest in materials science. Stereoisomerism in incommensurate bilayers was first noted with incommensurate double-wall carbon nanotubes composed of helical carbon networks, but the lack of structural information hampered the chemical understanding such as the stereoselectivity during bilayer formation. In this study, we construct a finite molecular version of incommensurate carbon bilayers by assembling two helical cylindrical molecules in solution. An outer cylindrical molecule is designed to encapsulate a small-bore helical cylindrical molecule, and the spontaneous assembly of coaxial complexes proceeds in a stereoselective manner in solution with a preference for heterohelical combinations over diastereomeric, homohelical combinations. The rational design of incommensurate bilayers for material applications may be facilitated by the design and development of molecular versions with discrete structures with atomic precision.

Suggested Citation

  • Taisuke Matsuno & Yutaro Ohtomo & Maki Someya & Hiroyuki Isobe, 2021. "Stereoselectivity in spontaneous assembly of rolled incommensurate carbon bilayers," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-21889-8
    DOI: 10.1038/s41467-021-21889-8
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