Abstract
ZnMoO4 nanoparticles with two different morphologies were successfully synthesized by the industrial dry method. Both nano-ZnMoO4 belong to α crystalline phase, and the valence state of Mo was verified to be + 6. The polyhedral-shaped particles and a mixture of polyhedral and rod-shaped particles exists, respectively. The average size of ZnMoO4 nanoparticles with polyhedral structure was 50 nm in diameter, while the diameter of the cross-section of ZnMoO4 nanoparticles (NPs) with rod-like structure was less than 50 nm. To evaluate the antibacterial properties of two materials, the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of two kinds of nano-ZnMoO4 against staphylococcus aureus were determined using an agar medium. The results showed that the MIC and MBC values of polyhedral nano-ZnMoO4 were 20 ppm and 40 ppm; the MIC and MBC values of rod-shaped and polyhedral hybrid nano-ZnMoO4 were 10 ppm and 20 ppm, respectively. The antibacterial effect of both nanoparticles was better than that of conventional ZnMoO4 with the size above 1 µm at the concentration of 200 ppm. This confirms the crystalline structure in relation to the crystal size/morphology and the concentration of powder in suspension can influence on the antibacterial efficiency. Furthermore, these two shaped nano-ZnMoO4 samples had different atomic percentages, so different spatial hinge structures were the important reason for the unequal antibacterial performance of these shaped nano-ZnMoO4 powder.







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Research was sponsored Science and Technology Support Action Plan of “Universities serve rural revitalization” by Hubei Provincial Department of Education (No. BXLBX0497).
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Xu, Z., Shaozhen, L., Yunjun, M. et al. The antibacterial properties of nano ZnMoO4 powder. J Mater Sci 57, 16820–16829 (2022). https://doi.org/10.1007/s10853-022-07674-y
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DOI: https://doi.org/10.1007/s10853-022-07674-y


