Siti Nur Halizah, Sunaryono Sunaryono, Nadiya Miftachul Chusna
Fe3O4@ZnO/TiO2 nanocore-shell have been successfully synthesized by going through three synthesis steps. The first is the synthesis of Fe3O4, the second is the synthesis of core-shell Fe3O4@ZnO, and the third is the addition of TiO2 with two variations. Then the characterization was carried out using XRD to study the crystal structure and crystal size of the sample. Characterization using the FTIR instrument was carried out to study the functional groups formed in the sample and the magnetic properties of the core-shell Fe3O4@ZnO/TiO2 were characterized using VSM. Based on the characterization using VSM, the magnetic properties of Fe3O4@ZnO/TiO2 nanoparticles are superparamagnetic. Meanwhile, the inhibition zone of the sample has been studied by testing the antibacterial activity using Staphylococcus Aureus bacteria using the diffusion method. The average inhibition zone of the core-shell Fe3O4@ZnO/TiO2 nanoparticles of about >10 mm. This result indicates that the sample is an antibacterial agent with strong antibacterial activity against Staphylococcus Aureus. © 2023 American Institute of Physics Inc.. All rights reserved.
Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Malang, Jl. Semarang, No. 5, Malang, 65145, Indonesia; Center for Minerals and Advanced Materials Research, Faculty of Mathematics and Natural Sciences, Universitas Negeri Malang, Jl. Semarang, No. 5, Malang, 65145, Indonesia
