Enhanced visible light photocatalytic VOC oxidation via Ag-loaded TiO2/SiO2 materials - Gusmão, Carolina de Araújo; Palharim, Priscila Hasse; Ramos, Bruno; Gouvêa, Douglas; Rodrigues Junior, Orlando; Teixeira, Antonio Carlos S. C. (Journal of Materials Science; Ceramics, 2024)