Facile synthesis,characterization and BET study of neodymium-doped spinel Mn3O4 nanomaterial with enhanced photocatalytic activity |
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| Authors: | Younes Hanifehpour Babak Mirtamizdoust Marcos A. Cheney Sang Woo Joo |
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| Affiliation: | 1.School of Mechanical Engineering,Yeungnam University,Gyeongsan,South Korea;2.Department of Chemistry, Faculty of Science,University of Qom,Qom,Iran;3.University of Maryland Eastern Shore,Princess Anne,USA |
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| Abstract: | In this study, bare Mn3O4 and Neodymium (Nd)-doped Mn3O4 were prepared via a facile hydrothermal strategy. These materials were characterized by X-ray powder diffraction, scanning electron microscopy, transmission electron microscopy, UV spectroscopy, X-ray photoelectron spectroscopy, and the Brunauer–Emmett–Teller (BET) method. XRD pattern displays that the particles were well crystallized and corresponds to a spinel structure of Mn3O4. The BET specific surface area and pore volume of mesoporous Mn3O4 greatly exceeds that of Nd-doped Mn3O4 samples. The sonophotocatalytic activity of Nd-doped Mn3O4 nanoparticles was evaluated by monitoring the decolorization of Reactive Red 43 in aqueous solution under sono-photocatalytic process. 4% Nd-doped Mn3O4 nanoparticles showed the highest decolorization efficiency among the different amounts of dopant agent used. The Nd-doped Mn3O4 could be a promising candidate material for high-capacity, low-cost, and environmentally friendly catalyst for wastewater remediation. |
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