Wiktionary
photocatalytic
a. Of, pertaining to, or obtained by photocatalysis.
Usage examples of "photocatalytic".
By the way, using semiconductors for the photocatalytic destruction of water pollutants has also been a huge research focus over the last couple of decades.
However, for the full photocatalytic reaction to proceed, the electrons need to get to the surface, too, so they can react with the hydrogen ions.