Santamaría Arana, LeticiaKorili, Sophia A.Gil Bravo, AntonioLópez de Luzuriaga Fernández, José ManuelMonge Oroz, Miguel2024-10-042024-10-042024-08-05Santamaría, L., Korili, S. A., Gil, A., López-de-Luzuriaga, J. M., Monge, M. (2024) Effect of gold nanoparticles on SiO2@g-C3N4 catalyst for the degradation of amoxicillin. Applied Surface Science, 673, 1-12. https://doi.org/10.1016/j.apsusc.2024.1609060169-433210.1016/j.apsusc.2024.160906https://academica-e.unavarra.es/handle/2454/51994Gold nanoparticles in different proportions (0.5 and 1 %) have been grafted at the surface of a SiO2@g-C3N4 nanotube-based composite (SiO2 nanotubes obtained from halloysite clay) and also g-C3N4 (for comparison purposes) to test their degradation capacity over the antibiotic amoxicillin proving that the introduction of these nanoparticles on the catalyst modifies the degradation mechanism followed by the pollutant. Results obtained show that the introduction of the appropriate percentage of gold NPs in the composite improves amoxicillin degradation efficiency and establish a direct correlation between the presence of gold NPs and the production of ∙O2.application/pdfeng© 2024 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND licenseSiO2 nanotubesGold NP-doped graphitic carbon nitrideSuperoxide radicals (∙O2-)Photocatalytic antibiotic degradationinfo:eu-repo/semantics/article2024-10-04info:eu-repo/semantics/openAccess