Photochemistry and photocatalysis

@article{Balzani2016PhotochemistryAP,
  title={Photochemistry and photocatalysis},
  author={Vincenzo Balzani and Giacomo Bergamini and Paola Ceroni},
  journal={Rendiconti Lincei},
  year={2016},
  volume={28},
  pages={125-142}
}
Photocatalysis is an important branch of catalysis and much more than that. To understand the potential applications and the working mechanisms of photocatalysis, it is necessary to know some important concepts of photochemistry, the branch of science that deals with the interaction of light and matter: (1) light excitation with a photon of suitable energy promotes a molecule or a semiconductor from the ground state to an electronically excited state that exhibits its own chemical and physical… 
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