SYNTHESIS AND CHARACTERIZATION ANALYSIS OF FE3O4/SiO2 CORE SHELL

Diva Cassia; Iwan Sugihartono; Isnaeni Isnaeni; Haswi Purwandanu Soewoto; Akhmad Futukhillah Fataba Alaih; Djoko Triyono; Rahmat Setiawan Mohar; Tan Swee Tiam

doi:10.21009/SPEKTRA.083.04

Authors

Diva Cassia Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Jakarta, Jl. Rawamangun Muka No. 01, Rawamangun 13220, Indonesia
Iwan Sugihartono Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Jakarta, Jl. Rawamangun Muka No. 01, Rawamangun 13220, Indonesia
Isnaeni Isnaeni Center for Photonics Research. National Research and Innovation Agency (BRIN), KST B.J. Habibie, South Tangerang, Banten 15314, Indonesia
Haswi Purwandanu Soewoto Center for Mining Technology, National Research and Innovation Agency (BRIN), KST B.J. Habibie, South Tangerang, Banten 15314, Indonesia
Akhmad Futukhillah Fataba Alaih Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, New Campus Univerisitas Indonesia, Depok, West Java 16426, Indonesia
Djoko Triyono Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, New Campus Univerisitas Indonesia, Depok, West Java 16426, Indonesia
Rahmat Setiawan Mohar Center for Photonics Research. National Research and Innovation Agency (BRIN), KST B.J. Habibie, South Tangerang, Banten 15314, Indonesia
Tan Swee Tiam School of Energy and Chemical Engineering, Xiamen University Malaysia, Selangor Darul Ehsan 43900, Malaysia

DOI:

https://doi.org/10.21009/SPEKTRA.083.04

Keywords:

core shell, stober, crystal structure, magnetization

Abstract

Fe₃O₄/SiO₂core shell synthesis has been carried out, and its characteristics has been analyzed to be used as a photocatalyst using co-precipitation and sol-gel method. Fe₃O₄ is used as the core material to eliminate the difficulty of separating the photocatalyst powder from the solution medium, SiO₂ is used to avoid oxidation by preventing the Fe₃O₄ core from coming into direct contact with the solution. The samples were then characterized using X-Ray Diffraction (XRD), Fourier Transform Infra-Red (FTIR), and Vibrating Sample Magnetometer (VSM). The XRD and FTIR results showed that the crystal structure and movement of the sample molecules matched the standard characteristics from previous studies. The VSM characterization results show that SiO₂ succeeded in reducing the value of the magnetization of Fe₃O₄, which proves that Fe₃O₄ has been successfully coated by SiO₂.

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