Growth and Characterization of Cadmium and Nickel Nanocomposites on Porous Silicon for Some Antibacterial Properties
DOI:
https://doi.org/10.48048/tis.2025.10054Keywords:
Antibacterial, Molecular detection of bacteria, Porous silicon, CdO, NiOAbstract
This study uses the chemical spray technique to employ the cadmium and nickel oxide nanostructures deposited on porous silicon substrate. CdO and NiO nanocomposites were prepared by a mixture exchange process with different composites at 25 % CdO-NiO, 50 % CdO-NiO and 75 % CdO-NiO. The biological activity was studied, and it was found that the concentrations of 50 and 100 µg/mL of 50 % CdO-NiO and 75 % CdO-NiO were the best concentrations, low concentrations of the nanoparticle mixture at 25 µg/mL also encouraged the growth of symbiotic bacteria. The investigation and characterization of NiO and CdO thin films nanostructures on porous silicon at different compositions were observed. A scanning electron microscope image revealed that the particle size of the prepared samples decreased from 26.36 to 22.61 nm with an increase of Cd2+ content. XRD pattern showed a cubic structure and good crystallinity of CdO and NiO nanocomposites. In addition, I-V measurements refer to the presence of rectifying behavior in a hetero structure. In terms of external current, the highest value was found to be at 75 % CdO. The optical energy was decreased from 2.69 to 2.55 eV for 25 % CdO and 75 % CdO, respectively. In addition, this paper focuses on the optimization of performance mixture CdO-NiO/PSi hybrid nanostructures to enhance their physical and biological properties.
HIGHLIGHTS
- This work uses the chemical spray technique to employ the cadmium and nickel oxide nanostructures deposited on porous silicon substrate.
- Cadmium and nickel oxides nanocomposites were prepared by a mixture exchange process with different composites at 25 % CdO-NiO, 50 % CdO-NiO and 75 % CdO-NiO.
- The biological activity was studied, and it was found that the concentrations of 50 and 100 µg/mL of 50 % CdO-NiO and 75 % CdO-NiO were the best concentrations, low concentrations of the nanoparticle mixture at 25 µg/mL also encouraged the growth of symbiotic bacteria.
- The investigation and characterization of NiO and CdO thin films nanostructures on porous silicon at different compositions were observed.
- This paper focuses on the optimization of performance mixture CdO-NiO/PSi hybrid nanostructures to enhance their physical and biological properties.
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