fig1
![Photothermal catalytic H<sub>2</sub> production over hierarchical porous CaTiO<sub>3</sub> with plasmonic gold nanoparticles](https://image.oaes.cc/ee9dbfb8-c16c-490f-a4b7-be23b47d91cd/5349.fig.1.jpg)
Figure 1. (A) Schematic illustration of the fabrication process of 3DOM CaTiO3-Au, SEM images of (B) assembled polystyrene spheres; (C) 3DOM CaTiO3 with low resolution; (D) 3DOM CaTiO3 with high resolution; (E) and (F) Low-resolution TEM images of 3DOM CaTiO3-Au; (G) high-resolution TEM image of 3DOM CaTiO3-Au.