Anindya Bella Monica, Ahmad Taufiq, Sunaryono, Nandang Mufti, Hari Wisodo
In this paper, we report the utilization of Morus alba L. leaves extraction in the preparation of SiO2/ZnFe2O4 nanocomposites. Preparation of the extinction SiO2/ZnFe2O4 nanocomposites based on Morus alba L. leaves was successfully carried out using coprecipitation and sol-gel methods. The SiO2/ZnFe2O4 nanocomposites were characterized using XRD, FTIR, and SEM-EDX. Based on the characterization carried out, structurally, the sample had two phases under its precursor, namely the crystalline phase for ZnFe2O4 and the amorphous phase for SiO2. The SiO2/ZnFe2O4 nanocomposites had a particle size of approximately 6.4 nm. Referring to FTIR spectra analysis, the precursors of nanocomposite constituents were detected based on their characteristic stretching band. The M-O stretching band representing the bond between Zn-O and Fe-O was discovered in the 471 cm-1 regions. Furthermore, stretching bands that represent the presence of SiO2 were in the area of 801 and 1083 cm-1, which represent Si-O-Si bonds, and in the region of 954 cm-1, which was a Si-OH stretching band. Finally, there were two characteristic stretching bands possessed by Morus alba L. namely, terpenoids (= N-H) and alkaloids (-N-H) in the areas of 1635 and 1396 cm-1, respectively. Based on a morphological characterization review, information was obtained that formed a particle cluster, which is a combination of primary and secondary particles with an average particle size of 38.1 nm. The elemental content characterization via EDX confirmed that all precursor elements were detected originating from matrix and filler. © 2020 Author(s).
Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Malang, Jl. Semarang 5, Malang, 65145, Indonesia
