Huynh Y, Le N. N-TiO2 synthesized by reflux method in H2O2-urea solution: point of zero charge, adsorption propertives, and photocatalytic activities under visible light. Science and Technology Development Journal [Internet]. 31Mar.2015 [cited 29Apr.2024];18(1):81-. Available from: http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1037