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Article – Journal of Nanoscience and Technology

Journal of Nanoscience and Technology, Volume 3,Issue 4,2017 Pages 296-298

Spectroscopic and Morphological Behavior of Co3O4-MnO2-ZrO2 Ternary Nanoparticles
S. Alwin David, V. Veeraputhiran, C. Vedhi*

This work is licensed under a Creative Commons Attribution 4.0 International License

Co3O4-MnO2-ZrO2 mixed oxides nanoparticles were formed when aqueous solution of cobalt chloride, manganese (II) sulfate and zirconium oxychloride and sodium hydroxide is refluxed at elevated temperature. The spectroscopic and morphological behavior of mixed nano oxides were studied by FT-IR, XRD, UV – Vis DRS, TEM, SAED, SEM, EDAX and AFM. The presence of M-O bonds (M = Co, Mn, Zr) was confirmed by FTIR spectra. XRD studies revealed that the size of the Co3O4-MnO2-ZrO2 NPs is in the range of 32.87 – 59.13 nm. Band gap energies of the (0.1 – 0.5 M) Co3O4-MnO2-ZrO2 NPs were found to be in the range of 2.27 – 2.37 eV as evident from UV-Vis diffuse reflectance spectra (DRS). The TEM, SEM and AFM micrographs of 0.1 M Co3O4-MnO2-ZrO2 NPs exhibited roughly spherical shape with size ranging from 30 – 80 nm. SAED pattern confirmed the crystalline nature of Co3O4-MnO2-ZrO2 NPs. EDAX analysis exposed the presence of Co, Mn, Zr and O.

Keywords: Co3O4-MnO2-ZrO2 NPs; Mixed Nano Oxides; Morphology; Spectroscopy;

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