Nanosecond Laser Irradiation as New Route for Silver Nanoparticles Precipitation in Glassy Matrix
| Autor: | A.M. Abdelghany, N. A. Hakeem, A.A. Menazea, F. H. Abd El-Kader, W. H. Osman |
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| Rok vydání: | 2018 |
| Předmět: |
010302 applied physics
Materials science Analytical chemistry 02 engineering and technology Nanosecond 021001 nanoscience & nanotechnology Laser medicine.disease_cause 01 natural sciences Silver nanoparticle Electronic Optical and Magnetic Materials law.invention Silver nitrate chemistry.chemical_compound chemistry law 0103 physical sciences medicine Irradiation Fourier transform infrared spectroscopy 0210 nano-technology Scherrer equation Ultraviolet |
| Zdroj: | Silicon. 11:377-381 |
| ISSN: | 1876-9918 1876-990X |
| Popis: | Soda lime borate glasses doped with silver nitrate were prepared using melt annealing technique. Glass samples were then irradiated with a nanosecond (Nd:YAG laser) which emits 1064 nm, 8 nspulse duration and 10 Hz repetition rate through a focusing lens. Ultraviolet/Visible (UV/Vis.) Optical absorption spectra show appearance of absorption peak due Surface Plasmon Resonance (SPR) of precipitated silver nanoparticles (AgNPs). Fourier transform infrared (FTIR) spectra of the prepared sample show a small variation in intensity for the sample before and after laser irradiation combined with appearance of new band attributed to the precipitated AgNPs. X-ray diffraction reveals appearance of a sharp diffraction peaksafter laser irradiation attributed for 111 and 200 planes of precipitated metallic nano-silver. Size and distribution of observed nano-silver was calculated using Debye Scherrer formula and confirmed using transmission electron microscope (TEM). |
| Databáze: | OpenAIRE |
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