Table 2.
Spatial charge separation between different facets in various photocatalytic semiconductors
| Semiconductor | Crystal phase | Shape of semiconductor | Facet for reduction reaction | Facet for oxidation reaction | Ref. |
|---|---|---|---|---|---|
| TiO2 | Anatase | Tetragonal bipyramid | {101} | {001} | 86, 87, 88, 89, 90, 91, 92 |
| BiVO4 | Monoclinic | Tetragonal bipyramid | {010} | {110} | 20, 93, 94, 95 |
| BiOCl | Tetragonal | Sheet | {001} | {110} | 22, 96 |
| CeO2 | Body‐centered cubic | Hexahedron prism‐anchored octahedron | {111} | {100} | 97 |
| Cu2O | Face‐centered cubic | Cuboctahedron | {100} | {111} | 21 |
| Cu2WS4 | Decahedral | Tetragonal bipyramid | {001} | {101} | 49, 98 |
| TiO2 | Brookite | Sheet | {210}/{101} | {201} | 99 |
| TiO2 | Rutile | Tetragonal prism | {110} | {011} | 100 |
| TiO2 | Anatase | Cuboid | {101} | {001}/{100} | 101 |
| TiO2 | Anatase | Truncated tetragonal bipyramid | {101} | {001}/{110} | 102 |
| SrTiO3 | Cubic | Tetrahexahedron | {001} | {023} | 103, 104 |
| BaLa4Ti4O15 | Perovskite | Sheet | {111} | {110} | 105, 106 |
| Cu2O | Face‐centered cubic | 26‐facet polyhedral cube | {100} | {111} | 107 |
| Cu2O | Face‐centered cubic | Concave cubooctahedron | {104} | {100} | 108 |