TiO₂ Catalytic coating

-invisible coating

The catalytic coating is activated by ANTiBAC white light and blue WiSDOM AiR disinfection light, multiplying the efficiency of the photon disinfection system.

The efficiency of the LED Tailor photon disinfection system can be enhanced by applying a Catalytic coating to surfaces. The coating utilizes a phenomenon known as photocatalysis, in which the energy on light triggers a chemical reaction that produces short-lived reactive oxygen species. The reaction is produced by a catalyst, which in the LED Tailor coating is titanium oxide (TiO2).

Photocatalysis has been known for decades but only came into wider use in the 2000s. Today, photocatalytic finishes are used on self-cleaning facades, windows and in air-purifier filters. Previously, the main obstacle in using photocatalysis was that it could be activated only with UV wavelengths, which meant that sunlight or UV lamps were needed to trigger the cleansing reaction.

New catalytic compounds arrived on the market in the 2010s that can also be triggered into action with wavelengths of visible light. The coating used in the LED Tailor photon disinfection system can be activated both with white ANTiBAC light and blue WiSDOM AiR disinfection light. The catalytic coating multiplies the purifying effect of the system. The coating is applied with an extremely fine spray, resulting in an ultra-thin layer. Since the coating does not create a paint-like membrane, the permeability of the surface is not affected.

Destroys harmful VOCs, bacteria, mold, yeast, viruses and odours

Clears organic compounds from surfaces and air

Transparent and invisible treatment

Does not wear in the reaction

The coated surface is exposed to the white ANTiBAC light or to the blue WiSDOM AiR light.
The activated coating starts to produce reactive oxygen species.
The reactive oxygen species react with the viruses and VOCs disintegrating them.
The reactive oxygen species are neutralized into water and carbon dioxide.

Photocatalytic reaction of the Catalytic coating

  1. The activated coating produces reactive oxygen species, ROS.
  2. The coating is activated by light with suitable wavelength and intensity.  (superoxide radicals (•O₂-), hydroperoxide radicals (•HO₂), hydroxyl radicals (•OH and H₂O₂)
  3. The ROS are extremely short-lived, reacting with the microbes and VOCs on the surface.
  4. Microbes and VOCs disintegrate, and ROS are neutralized into water and carbon dioxide.
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