Research Article
One-Pot Synthesis of W-TiO2/SiO2 Catalysts for the Photodegradation of p-Nitrophenol
Table 2
Surface atomic concentration (wt%) obtained from XPS analysis.
| Catalyst samples | Surface atomic concentration (wt%) | Ti2p | O1s | Si2p | W4f |
| TiO2 | 60.67 | 39.33 | | | W-TiO2 | 56.89 | 40.01 | | 3.10 | W-TiO2/SiO2 | 28.53 | 46.57 | 26.91 | 1.80 |
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