Fig. 2: Printed 3D microarchitectures of inorganic porous materials.

a 32-layer lattice cube illustration model (inset) and SEM image of 3D-printed Ag. b Top view of SEM image of 3D-printed Ag lattice cube. c Cross-sectional SEM image of printed Ag filament. d EDS mapping image of printed Ag comprising Ag nanocrystals (orange), Au-based linkers (yellow) and S-based ligands (green). SEM images of 3D lattice structures of Au (e), FePt (f), Fe3O4 (g), and CdSe (h). i 36-layer pyramid illustration model (inset) and SEM image of 3D-printed CdSe. j 12-layer hexagonal prism illustration model (inset) and SEM image of 3D-printed FePt. k 8-layer large-scale square lattice structure illustration (left inset) and SEM image of 3D-printed Ag. Right inset: magnified SEM image of printed structure.