fotokatalitycznymi
Fotokatalitycznymi is the instrumental plural form of the Polish adjective "fotokatalityczny," which translates to "photocatalytic" in English. It refers to processes or phenomena that involve photocatalysis. Photocatalysis is a chemical reaction that is initiated or accelerated by a catalyst when the catalyst is exposed to light. The catalyst itself is not consumed in the process.
In a photocatalytic reaction, a photocatalyst absorbs photons from light, which excites electrons within the catalyst.