photocatalyst

https://doi.org/10.1351/goldbook.PT07446
@C00876@ able to produce, upon absorption of light, chemical transformations of the reaction partners. The @E02257@ of the photocatalyst repeatedly interacts with the reaction partners forming reaction intermediates and regenerates itself after each cycle of such interactions.
Source:
PAC, 2007, 79, 293. (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 384 [Terms] [Paper]