New stabilizer Cellulose Nano Rods-Zinc Oxide (CNR-ZnO) material for nanocomposite synthesis and anti-bacterial applications
Keywords:Keywords, ZnO, In doping, thin film and chemical spray pyrolysis.
AbstractZinc oxide (ZnO) nanorods were fabricated using Cellulose Nano Rods (CNR) as a new stabilizer material. Synthesized of ZnO-CNR nanocomposites, with a molar ratio of ZnO to CNR (1/2g) were prepared in distilled water. The nanocomposites were distinguished using X-ray diffraction (XRD), ultraviolet-visible (UV-Vis), and Field Emission scanning electron microscope (FESEM) techniques. XRD data were showed, the ZnO nanorods with a hexagonal wurtzite structure such readily scattered inside CNR with an average size 20-40 nm. (FESEM) images showed the homogenous morphology of Zinc oxide rods. The optimum ratio of ZnO-CNR was selected to be the tiny size of the ZnO nanorods that yielded a good stabilizer material and antibacterial activity. The ultraviolet-visible (UV-Vis) absorption spectrum of the ZnO-CNR nanocomposites appeared absorption peaks in the ultraviolet region at (350-360 nm) wavelength attributes with the energy gap of (3.41 eV) of ZnO-CNR. The antibacterial activities of samples have been investigated against the Gram-positive (pneumonia) and gram-negative (pseudomonas). The maximum antibacterial activities against the Gram-positive (pneumonia) of ZnO nanorods and of ZnO- cellulose nanorods are 16 mm and 22 mm respectively. The optimum anti-bacterial activities versus the Gram-negative (pseudomonas) of zinc oxide nanorods and zinc oxide- cellulose nanorods are 17 mm and 19 mm respectively. The optimum anti-bacterial activities versus the Gram-negative (pseudomonas) of zinc oxide nanosheet and of zinc oxide- cellulose nanorods are 17 mm and 22 mm.
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