Photocatalytic activity

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Ability of some nano materials (e.g. TiO2) to speed up a certain reaction (“photoreaction”) as a catalyst in combination with light (sunlight, ultraviolet light). In the case of TiO2, for example, influenced by sunlight radicals (see also ROS) are formed, which decompose organic materials. This effect is used for self-cleaning surfaces.

Synonyms:
photocatalytic effect, photocatalytic action
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