Hole Scavenging and Photo-Stimulated Recombination of Electron−Hole Pairs in Aqueous TiO<sub>2</sub> Nanoparticles
It is shown that 532 and 1064 nm laser photoexcitation of trapped electrons generated by 355 nm photolysis of aqueous titania (TiO2) nanoparticles causes rapid photobleaching of...