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<table>Schematic
diagram of acetaldehyde photocatalytic decomposition on TiO<sub>2</sub> (a) and TiO<sub>2</sub>/SiO<sub>2</sub> (b) films.</table>

International Journal of Photoenergy

fig11

Figure 11

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t30 -51.5t49 -42.5t67 -16q56 0 88 32.5t32 87.5q0 51 -31.5 82t-98.5 67q-80 44 -110 73q-55 53 -55 124q0 75 56 126.5t150 51.5q53 0 126 -23z" /></g><g transform="matrix(.022,-0,0,-.022,10.553,14.975)"><use xlink:href="#x69" /></g><g transform="matrix(.022,-0,0,-.022,16.561,14.975)"><use xlink:href="#x4F" /></g><g transform="matrix(.016,-0,0,-.016,33.3,20.35)"><use xlink:href="#x32" /></g></svg> Composite Films Immobilized on Foam   Nickel Substrate for the Photocatalytic Degradation of Gaseous Acetaldehyde 

International Journal of Photoenergy

/ Composite Films Immobilized on Foam Nickel Substrate for the Photocatalytic Degradation of Gaseous Acetaldehyde

Figure 11