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. 2022 Jul 9;13:3980. doi: 10.1038/s41467-022-31651-3

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — a–e 2D hexagonal superlattice (hp) assembled on a smooth substrate. Optical microscope image of the UiO-66 films is shown in (a). Cartoon in (b) shows particles sitting on the substrate by the triangular (111) face within the assemblies. They contact via their faces in an antiparallel fashion (shown in purple). Laser diffraction pattern of the resulting hexagonal lattice c. The (111) facet arrays are highlighted by reflected-light confocal microscopy (d) and SEM (e). f–h, Anisotropic quasi-1D stripe-like superstructure assembled from UiO-66 octahedra on a rough substrate. Optical image f shows the supercrystals; inset shows a crystal stripe and its long and short axes. Cartoons in (g) highlight the interparticle bonding within (along the short axis) and between hexagonal layers (along the long axis), featuring antiparallel (top right) and full facet overlap (bottom right), respectively. SEM images in (h) show the (110)- and (112)-oriented UiO-66 superstructures. Scale bars: 3 μm (a), 1 μm (d, e, h), 5 μm (f), and 2 μm (f, inset).