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Hierarchically self-assembled hexagonal honeycomb and kagome superlattices of binary 1D colloids

Author

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  • Sung-Hwan Lim

    (Korea Advanced Institute of Science and Technology)

  • Taehoon Lee

    (Korea Advanced Institute of Science and Technology)

  • Younghoon Oh

    (Sogang University)

  • Theyencheri Narayanan

    (European Synchrotron Radiation Facility)

  • Bong June Sung

    (Sogang University)

  • Sung-Min Choi

    (Korea Advanced Institute of Science and Technology)

Abstract

Synthesis of binary nanoparticle superlattices has attracted attention for a broad spectrum of potential applications. However, this has remained challenging for one-dimensional nanoparticle systems. In this study, we investigate the packing behavior of one-dimensional nanoparticles of different diameters into a hexagonally packed cylindrical micellar system and demonstrate that binary one-dimensional nanoparticle superlattices of two different symmetries can be obtained by tuning particle diameter and mixing ratios. The hexagonal arrays of one-dimensional nanoparticles are embedded in the honeycomb lattices (for AB2 type) or kagome lattices (for AB3 type) of micellar cylinders. The maximization of free volume entropy is considered as the main driving force for the formation of superlattices, which is well supported by our theoretical free energy calculations. Our approach provides a route for fabricating binary one-dimensional nanoparticle superlattices and may be applicable for inorganic one-dimensional nanoparticle systems.

Suggested Citation

  • Sung-Hwan Lim & Taehoon Lee & Younghoon Oh & Theyencheri Narayanan & Bong June Sung & Sung-Min Choi, 2017. "Hierarchically self-assembled hexagonal honeycomb and kagome superlattices of binary 1D colloids," Nature Communications, Nature, vol. 8(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_s41467-017-00512-9
    DOI: 10.1038/s41467-017-00512-9
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    Cited by:

    1. Minjoong Shin & Hayeon Kim & Geonhyeong Park & Jongmin Park & Hyungju Ahn & Dong Ki Yoon & Eunji Lee & Myungeun Seo, 2022. "Bilayer-folded lamellar mesophase induced by random polymer sequence," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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