SYNTHESIS of Ag-DOPED ZnO NANOFIBERS USING ELECTROSPINNING METHOD and THEIR PHOTOCATALYTIC ACTIVITIES

These results show that Ag addition to zinc oxide fiber structure gives an opportunity to use nanofibers in the large-scale utilization of photocatalysts using UV light to overcome organic and/or water pollution

Ozlem ALTINTAS YILDIRIM

2018

Scholarcy highlights

  • During the last few decades, water and air pollution have created a driving force for the fundamental and applied research in the waste stabilization and environmental remediation areas
  • It was observed that 1at.% Ag addition considerably decrease the peak intensity of zinc oxide but in 3at.% Ag doped ZnO fibers, Ag ions have less effect on the peak intensity
  • According to X-ray diffraction results, the addition of Ag to the ZnO crystal structure led to a shift in diffraction line position and a decrease in the peak intensities of the ZnO peaks
  • This shift in the peak positions indicates that the added Ag ions are substitutionally incorporated into the ZnO crystal structure
  • It was found that the photocatalytic properties of ZnO nanofibers showing 48% degradation as a result of exposure to 270 minutes ofUV irradiation were improved with 1 and 3 at.% Ag addition to 60% and 67 % degradation rates, respectively
  • These results show that Ag addition to ZnO fiber structure gives an opportunity to use nanofibers in the large-scale utilization of photocatalysts using UV light to overcome organic and/or water pollution

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