Direct synthesis of Cu-TiO2-SBA-16 photocatalysts and its application for the oxidative desulfurization of fuel oil model. Vietnam j. catal. adsorp. [Internet]. 2024 Sep. 30 [cited 2026 Jul. 26];13(3):36-41. Available from: https://jca.edu.vn/index.php/jca/article/view/2024.055