Research Article
Preparation of Ag-Coated SiO2@TiO2 Core-Shell Nanocomposites and Their Photocatalytic Applications towards Phenol and Methylene Blue Degradation
Figure 2
TEM images of (a) SiO2, (b) SiO2@TiO2 core-shell particles, (c) 1 wt.% Ag-coated SiO2@TiO2 photocatalysts, (d) 3 wt.% Ag-coated SiO2@TiO2 photocatalysts, (e) 6 wt.% Ag-coated SiO2@TiO2 photocatalysts, and (f) 9 wt.% Ag-coated SiO2@TiO2 photocatalysts.
| (a) |
| (b) |
| (c) |
| (d) |
| (e) |
| (f) |