Research Article
Enhanced Photoreduction Activity of Carbon Dioxide over Co3O4/CeO2 Catalysts under Visible Light Irradiation
Figure 3
UV-vis absorption spectra of CeO2 and commercial CeO2 catalyst (a), Co3O4 (b), and the Co3O4/CeO2 photocatalysts (c).
| (a) |
| (b) |
| (c) |