Effect of hexamethylene tetramine (HMTA) surfactant on the structural characteristics and photocatalytic activity of Cu-ZnO nanoparticle materials fabricated by the hydrothermal method . Vietnam Journal of Catalysis and Adsorption, [S. l.], v. 10, n. 3, p. 34–39, 2021. DOI: 10.51316/jca.2021.047. Disponível em: https://jca.edu.vn/index.php/jca/article/view/2021.047.. Acesso em: 25 jun. 2026.