Research Article
The Effect of Transition Metal Doping on the Photooxidation Process of Titania-Clay Composites
Table 1
The composition and optical properties
of the catalysts.
| | Metal
content
(mequ/g
clay) | Metal
content (wt%) | λ g (nm) | E g (eV) |
| | TiO2 (P25) | 0.00 | 0.00 | 390 | 3.18 |
| | Ag/TiO2/clay | 1.00 | 2.16 | 455
| 2.73
| | 401 | 3.09 |
| | Ni/TiO2/clay | 1.00 | 0.59 | 404 | 3.07 | | Cu/TiO2/clay | 1.00 | 0.64 | 409 | 3.03 |
|
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