Abstract
Zn1-x(Co, Fe)xO nanoparticles (NPs) were synthesized by sol-gel combustion method.XRD pattern confirmed the formation of single-phase hexagonal (wurtzite) structure in all samples withP63mcspace group.The average crystallite sizes varied between 20 and 28 nm. All samples were optically activated under ultraviolet light. The optical band gap values varied between 3.33 and 3.82 eV. The PL study revealed the reduction of the recombination of charge carriers due to (Co,Fe) co-doping into ZnO. Enhancement of the antibacterial activity was observed due to (Co,Fe) co-doping. Zn0.95Co0.025Fe0.025NPs exhibited excellent antibacterial activity against E. coli and S. aureus bacteria.
Published Version
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