Effect of HCl and HNO3 on the synthesis of pure and silver-based WO3 for improved photocatalytic activity under sunlight - Palharim, Priscila Hasse; Fusari, Beatriz Lara Diego dos Reis; Ramos, Bruno; Otubo, Larissa; Teixeira, Antonio Carlos S. C. (Journal of Photochemistry and Photobiology A: Chemistry, 2022)