{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Xu Y"],"funding":["National Natural Science Foundation of China"],"pagination":["23011-23022"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11261577"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["14(32)"],"pubmed_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. The effect of different Au loading of Au/TiO2 was systematically investigated for its influence on the generation of electrons and the reduction ability of BrO3 -. The results indicate that the 1% Au/TiO2 catalyst exhibited a higher concentration of localized electrons, rendering it more effective in BrO3 - removal. The photocatalytic efficiency for BrO3 - reduction decreased upon the addition of K2S2O8 as an electron quencher, suggesting that the primary factor in this photo-reduction process was the availability of electrons. These findings hold promise for the potential application of the Au/TiO2 catalyst in the removal of BrO3 - from drinking water through photo-reduction."],"journal":["RSC advances"],"pubmed_title":["Enhanced photocatalytic removal of bromate in drinking water by Au/TiO2 under ultraviolet light."],"pmcid":["PMC11261577"],"funding_grant_id":["52170011"],"pubmed_authors":["Huang C","Yu S","Xu Z","Xu Y"],"additional_accession":[]},"is_claimable":false,"name":"Enhanced photocatalytic removal of bromate in drinking water by Au/TiO2 under ultraviolet light.","description":"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. The effect of different Au loading of Au/TiO2 was systematically investigated for its influence on the generation of electrons and the reduction ability of BrO3 -. The results indicate that the 1% Au/TiO2 catalyst exhibited a higher concentration of localized electrons, rendering it more effective in BrO3 - removal. The photocatalytic efficiency for BrO3 - reduction decreased upon the addition of K2S2O8 as an electron quencher, suggesting that the primary factor in this photo-reduction process was the availability of electrons. These findings hold promise for the potential application of the Au/TiO2 catalyst in the removal of BrO3 - from drinking water through photo-reduction.","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Jul","modification":"2025-05-18T13:26:15.591Z","creation":"2025-05-18T13:26:15.591Z"},"accession":"S-EPMC11261577","cross_references":{"pubmed":["39040693"],"doi":["10.1039/d4ra03453h"]}}