(A₁), (A₂) SEM image (A₁) and TEM image (A₂) of the BiOCl precursor discs. Scale bars are 500 nm. (A₃), (A₄) SEM image (A₃) and TEM image (A₄) of disc-like networks consists of Bi₂S₃ nanorod. Scale bars are 1 μm and 500 nm, respectively. (B) (1) Schematic diagram of BiOCl tetragonal unit cell; (2) Bi₂S₃ orthorhombic unit cell; (3) lattice matching between BiOCl and Bi₂S₃; (4) schematic diagram of the crystalline topological transition of BiOCl disc structure to Bi₂S₃ disc-like network superstructure (Reproduced from Ref. [144]. Copyright©2008, WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim). (C) Schematic illustration of the fabrication of BP-based cocrystal nanorod network structures through the crystallographic transformation process induced by etching BP microsheets. (D₁)–(D₃) Evolution process of different stages from BP microsheets to BP-1,3-DTFB nanorod networks. Scale bars are 20 μm. (E₁) FM image of BP-1,3-DTFB nanorod network structures. (E₂) FM images of BP-1,4-DTFB nanorod network structures. Scale bars are 100 μm (Reproduced from Ref. [145]. Copyright©2020, American Chemical Society). (F) Schematic illustration of the transformation from C₆₀ plates to network structures driven by solvent loss. (G₁), (G₂) SEM images of (G₁) C₆₀ disks and (G₂) C₆₀ rods synthesized in the presence of CCl₄/IPA and m-xylene/IPA mixtures, respectively. (G₃) SEM image of a typical C₆₀ network superstructure. Scale bars are all 10 μm (Reproduced from Ref. [146]. Copyright©2003, 2020, RSC Pub). (h) Schematic showing the mechanism for the preparation of hyperbranched (2:1)10Ft:BA MW networks through a stepwise co-assembly process. (I) FM image of the co-assembled network of 10Ft and BA excited by UV light. Scale bars are all 100 μm (Reproduced from Ref. [147].Copyright©2021, Wiley-VCH GmbH).