Synthesis and characterization of MgO-ZrO2 mixed oxides prepared by the sol–gel method
Abstract Combining ceramic materials such as MgO and ZrO2 can have a wide chemical and technological application. In this context, the sol–gel method is a very noble method for preparing mixed oxides, as it allows the control of their textural and surface properties. This paper aims to evaluate the...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2025-05-01
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| Series: | Journal of Materials Science: Materials in Engineering |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s40712-025-00275-y |
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| Summary: | Abstract Combining ceramic materials such as MgO and ZrO2 can have a wide chemical and technological application. In this context, the sol–gel method is a very noble method for preparing mixed oxides, as it allows the control of their textural and surface properties. This paper aims to evaluate the structural and morphological properties of MgO-ZrO2 mixed oxides as a function of their composition, for which solids of 10, 25, 50, 75, and 90% mol of ZrO2 were synthesized by the sol–gel method. The obtained materials were characterized by N2 physisorption, X-ray diffraction, scanning electron microscopy and diffuse reflectance, Fourier transform infrared, and Raman spectroscopy. The results showed that the textural properties of MgO improved by adding 25% ZrO2, such that this solid showed the highest surface area (124 m2/g) and pore diameter of 12 nm. FTIR, RD-UV–Vis, and Raman spectra showed the presence of O–H chemical bonds due to the hygroscopic character of the materials. In contrast, XRD results showed MgO in the periclase phase and ZrO2 mostly in the tetragonal phase. It was also observed that the bandgap energy increases slightly as a function of ZrO2 content. On the other hand, SEM micrographs showed that the increase of ZrO2 changes the morphology of the particles, size and shape. |
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| ISSN: | 3004-8958 |