Effect of precursor ratio on the structural characteristics and photocatalytic activity of g-C3N4/SiO2 composite materials. Vietnam Journal of Catalysis and Adsorption, [S. l.], v. 15, n. 2, p. 136–141, 2026. DOI: 10.62239/. Disponível em: https://jca.edu.vn/index.php/jca/article/view/2026.036.. Acesso em: 3 jul. 2026.