Research Article

SiO2-TiO2 Films Supported on Ignimbrite by Spray Coating for the Photocatalytic Degradation of NOx Gas and Methyl Orange Dye

Figure 3

Photodegradation curves of methyl orange with different photocatalyst: 10TEOS-5TiO2 (black line) and 15TEOS-5TiO2 (red line).