Effect of biosynthesized gold nanoparticles on the polymeric materials
(Sprache: Englisch)
Biosynthesized gold nanoparticles (Au NPs) with size 10-15 nm have been added to Polyvinyl pyrrolidone /Sodium alginate (PVP/SA) (50/50 wt.%) blend by the casting technique. XRD (X-ray diffraction) exposed the semicrystalline nature of the polymer blend...
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Biosynthesized gold nanoparticles (Au NPs) with size 10-15 nm have been added to Polyvinyl pyrrolidone /Sodium alginate (PVP/SA) (50/50 wt.%) blend by the casting technique. XRD (X-ray diffraction) exposed the semicrystalline nature of the polymer blend (PVP/SA) and filled samples. The amorphous region increases with increasing Au NPs content. FTIR (Fourier transform infrared) spectra were achieved to illustrate the change in structur of the samples according to the filling manner. UV/Vis (Ultraviolet/visible) analysis was used to study the effect of adding Au NPs on the optical properties and calculated the energy gap (Eg) of (PVP/SA) composites. Upon the addition of Au NPs, An enhancement for the conductivity, dielectric permittivity ( ') and dielectric loss ( ") of (PVP/SA) are detected. SEM (scanning electron micrographs) images suggested that the morphological shape of prepared films changed from rough to smooth after adding (Au NPs). Transmission electron microscopy (TEM) image exhibited the cubic shape for gold nanoparticles with an average size 10-15 nm. Finally, Nano composites films can be used in several applications such as optical and optoelectronic devices.
Autoren-Porträt von Mohammed Farea, Ahmed Oraby, Amr Abdelghany
Farea, MohammedMohammed Omar Farea is PhD. Researcher on Physics Dept., Faculty of Science, Mansoura University, Egypt.
Bibliographische Angaben
- Autoren: Mohammed Farea , Ahmed Oraby , Amr Abdelghany
- 2019, 56 Seiten, Maße: 22 cm, Kartoniert (TB), Englisch
- Verlag: LAP Lambert Academic Publishing
- ISBN-10: 6200079757
- ISBN-13: 9786200079756
Sprache:
Englisch
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