Enhanced Photocatalytic Degradation of Perfluorooctanoic Acid by Mesoporous Sb₂O₃/TiO₂ Heterojunctions.

ABSTRACT: Perfluorooctanoic acid (PFOA), a typical perfluorinated carboxylic acid, is an emerging type of permanent organic pollutants that are regulated by the Stockholm Convention. The degradation of PFOA, however, is quite challenging largely due to the ultra-high stability of C-F bonds. Compared with other techniques, photocatalytic degradation offers the potential advantages of simple operation under mild conditions as well as exceptional decomposition and defluorination efficiency. Titanium dioxide (TiO₂) is one of the most frequently used photocatalysts, but so far, the pristine nanosized TiO₂ (e.g., the commercial P25) has been considered inefficient for PFOA degradation, since the photo-generated hydroxyl radicals from TiO₂ are not able to directly attack C-

SUBMITTER: Yao X 

PROVIDER: S-EPMC8170081 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature