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Design and synthesis of multigrain nanocrystals via geometric misfit strain

Author

Listed:
  • Myoung Hwan Oh

    (Institute for Basic Science (IBS)
    Seoul National University
    University of California Berkeley
    Lawrence Berkeley National Laboratory)

  • Min Gee Cho

    (Institute for Basic Science (IBS)
    Seoul National University
    University of California Berkeley and Lawrence Berkeley National Laboratory)

  • Dong Young Chung

    (Institute for Basic Science (IBS)
    Seoul National University)

  • Inchul Park

    (Institute for Basic Science (IBS)
    Research Institute of Advanced Materials (RIAM), Seoul National University)

  • Youngwook Paul Kwon

    (University of California Berkeley)

  • Colin Ophus

    (Lawrence Berkeley National Laboratory)

  • Dokyoon Kim

    (Institute for Basic Science (IBS)
    Seoul National University
    Hanyang University)

  • Min Gyu Kim

    (Pohang University of Science and Technology)

  • Beomgyun Jeong

    (Korea Basic Science Institute)

  • X. Wendy Gu

    (Department of Mechanical Engineering, Stanford University)

  • Jinwoung Jo

    (Institute for Basic Science (IBS)
    Seoul National University)

  • Ji Mun Yoo

    (Institute for Basic Science (IBS)
    Seoul National University)

  • Jaeyoung Hong

    (Institute for Basic Science (IBS)
    Seoul National University)

  • Sara McMains

    (University of California Berkeley)

  • Kisuk Kang

    (Institute for Basic Science (IBS)
    Research Institute of Advanced Materials (RIAM), Seoul National University)

  • Yung-Eun Sung

    (Institute for Basic Science (IBS)
    Seoul National University)

  • A. Paul Alivisatos

    (University of California Berkeley
    Lawrence Berkeley National Laboratory
    University of California Berkeley and Lawrence Berkeley National Laboratory)

  • Taeghwan Hyeon

    (Institute for Basic Science (IBS)
    Seoul National University)

Abstract

The impact of topological defects associated with grain boundaries (GB defects) on the electrical, optical, magnetic, mechanical and chemical properties of nanocrystalline materials1,2 is well known. However, elucidating this influence experimentally is difficult because grains typically exhibit a large range of sizes, shapes and random relative orientations3–5. Here we demonstrate that precise control of the heteroepitaxy of colloidal polyhedral nanocrystals enables ordered grain growth and can thereby produce material samples with uniform GB defects. We illustrate our approach with a multigrain nanocrystal comprising a Co3O4 nanocube core that carries a Mn3O4 shell on each facet. The individual shells are symmetry-related interconnected grains6, and the large geometric misfit between adjacent tetragonal Mn3O4 grains results in tilt boundaries at the sharp edges of the Co3O4 nanocube core that join via disclinations. We identify four design principles that govern the production of these highly ordered multigrain nanostructures. First, the shape of the substrate nanocrystal must guide the crystallographic orientation of the overgrowth phase7. Second, the size of the substrate must be smaller than the characteristic distance between the dislocations. Third, the incompatible symmetry between the overgrowth phase and the substrate increases the geometric misfit strain between the grains. Fourth, for GB formation under near-equilibrium conditions, the surface energy of the shell needs to be balanced by the increasing elastic energy through ligand passivation8–10. With these principles, we can produce a range of multigrain nanocrystals containing distinct GB defects.

Suggested Citation

  • Myoung Hwan Oh & Min Gee Cho & Dong Young Chung & Inchul Park & Youngwook Paul Kwon & Colin Ophus & Dokyoon Kim & Min Gyu Kim & Beomgyun Jeong & X. Wendy Gu & Jinwoung Jo & Ji Mun Yoo & Jaeyoung Hong , 2020. "Design and synthesis of multigrain nanocrystals via geometric misfit strain," Nature, Nature, vol. 577(7790), pages 359-363, January.
  • Handle: RePEc:nat:nature:v:577:y:2020:i:7790:d:10.1038_s41586-019-1899-3
    DOI: 10.1038/s41586-019-1899-3
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    Cited by:

    1. Lichen Liu & Miguel Lopez-Haro & Jose Antonio Perez-Omil & Mercedes Boronat & Jose J. Calvino & Avelino Corma, 2022. "Direct assessment of confinement effect in zeolite-encapsulated subnanometric metal species," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Li Zhai & Sara T. Gebre & Bo Chen & Dan Xu & Junze Chen & Zijian Li & Yawei Liu & Hua Yang & Chongyi Ling & Yiyao Ge & Wei Zhai & Changsheng Chen & Lu Ma & Qinghua Zhang & Xuefei Li & Yujie Yan & Xiny, 2023. "Epitaxial growth of highly symmetrical branched noble metal-semiconductor heterostructures with efficient plasmon-induced hot-electron transfer," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    3. Jonathan Schwartz & Zichao Wendy Di & Yi Jiang & Jason Manassa & Jacob Pietryga & Yiwen Qian & Min Gee Cho & Jonathan L. Rowell & Huihuo Zheng & Richard D. Robinson & Junsi Gu & Alexey Kirilin & Steve, 2024. "Imaging 3D chemistry at 1 nm resolution with fused multi-modal electron tomography," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    4. Zezhou Li & Zhiheng Xie & Yao Zhang & Xilong Mu & Jisheng Xie & Hai-Jing Yin & Ya-Wen Zhang & Colin Ophus & Jihan Zhou, 2023. "Probing the atomically diffuse interfaces in Pd@Pt core-shell nanoparticles in three dimensions," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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