期刊
INORGANIC CHEMISTRY COMMUNICATIONS
卷 149, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.inoche.2023.110441
关键词
TiO2NPs; Graphene; AgNPs; Doping; Antibacterial
In this study, the author suggests doping commercial titanium oxide nanoparticles with graphene and silver nanoparticles to enhance their properties. Structural results show that the diffraction angles change as the crystal size increases after doping. Morphological results demonstrate the presence of nanostructures like clusters of spherical nanoparticles. Incorporation of graphene and silver nanoparticles into the matrix leads to increased absorption and decreased energy gap. The inhibitory action results indicate significant inhibition of Staphylococcus aureus growth and slight inhibition of Escherichia coli growth, attributed to the sample's charge and its effect on attractive and repulsive forces. This work represents a promising advancement in improving metal oxide properties.
In this work the author proposes doping commercial titanium oxide nanoparticles with graphene and silver nanoparticles to improve their properties. The structural results show that diffraction angles change as crystal size increases from 8.66 nm in commercial titanium oxide nanoparticles to 23.84 nm after doping with graphene and silver nanoparticles. The morphological results show nanostructures like clusters of spherical nanoparticles and a nanosized increase. When graphene and silver nanoparticles were incorporated into the matrix of a commercial sample, the optical properties showed an increase in absorption compared to the undoped sample, and the energy gap decreased from 3.58 to 3.125 eV. The findings of the inhibitory action showed that the growth of Staphylococcus aureus was significantly inhibited, while the growth of Escherichia coli was slightly inhibited. This difference can be explained by the sample's charge, which modifies the attractive and repulsive forces between the sample surface and the cell membrane, leading to larger inhibitory zones for Staphylococcus aureus than for Escherichia coli bacteria. The results of the present work represent a promising step in the field of improving the properties of metal oxides.
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