Metal ferrite nanoparticles (NPs) attracted much attention due to their superparamagnetic, catalytic properties and surface area to volume ratio. Among these spinel ferrite NPs have shown immense potential in nanomedicine. The objective of present research work was the synthesis of chromium-substituted spinel copper ferrite NPs [(CuCr Fe O (0.0 ≤ x ≤ 1.0)] x 2−x 4 by coprecipitation method and characterization of their antibacterial activity against E. coli. The synthesized ferrite NPs were characterized by X-ray diffraction, FT-IR, UV- Vis diffuse reflectance, SEM, Brunauer-Emmett-Teller (BET) and Barrett–Joyner–Halenda (BJH) techniques. XRD analysis confirmed that the all the samples were cubic spinel in structure with crystal size of 43.3–20.2 nm. It has been found that as the amount of dopant (Cr) increases, size of the NPs decreased. The E values were found in the range of 1.20–1.80 eV for CuCr xFe O (0.0 ≤ x ≤ 1.0) NPs as analyzed by UV–Visible g 2 − x 4 diffuse reflectance spectroscopy. The BET surface area of Cr-substituted ferrite NPs decreases as Cr content increased while the pore diameter increases when moved from CuFe O to CuCrFeO analyzed by BJH. The antibacterial activity increases 2 4 2 as the concentration of dopant (Cr) increased. It
Journal of Inorganic and Organometallic Polymers and Materials – Springer Journals
Published: Jun 6, 2018
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