| abstract |
The invention relates to a photocatalytic component and a preparation method thereof. The photocatalytic component comprises a substrate and a photocatalytic unit stacked on one side of the substrate, wherein the photocatalytic unit comprises a titanium dioxide layer and a metal layer which are stacked, the thickness of the titanium dioxide is 10-100 nanometers, the metal layer is formed by stacking metal nanoparticles, and the metal nanoparticles are made of one of rhodium, palladium, platinum, gold, silver and aluminum. The photocatalytic component has high photocatalytic efficiency. |