Enhanced photocatalytic removal of bromate in drinking water by Au/TiO₂ under ultraviolet light.

ABSTRACT: The photo-reduction of bromate (BrO₃ ^-) has attracted much attention due to the carcinogenesis and genotoxicity of BrO₃ ^- in drinking water. In this study, a heterojunction photocatalyst was developed by depositing Au nanoparticles (NPs) onto P25 TiO₂ NPs through a one-pot, solvent-thermal process. Due to the unique properties of Au, the Au NPs deposited on the TiO₂ surface created a Schottky barrier between the metal and the semiconductor, leading to an effective separation of photo-generated charge carriers as the Au nanoparticles served as electron sinks. The Au/TiO₂ photocatalyst demonstrated efficient reduction of BrO₃ ^- under UV light illumination without the need for sacrificial agents

SUBMITTER: Xu Y 

PROVIDER: S-EPMC11261577 | biostudies-literature | 2024 Jul

REPOSITORIES: biostudies-literature