Laser-fabricated castor oil-capped silver nanoparticles
Reza Zamiri1, Azmi Zakaria1, Hossein Abbastabar2, Majid Darroudi3, Mohd Shahril Husin1, Mohd Adzir Mahdi4
1Department of Physics, Faculty of Science, 2Department of Chemistry, Faculty of Science, 3Advanced Materials and Nanotechnology Laboratory, Institute of Advanced Technology (ITMA), 4Wireless and Photonics Networks Research Center, Faculty of Engineering, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
Abstract: Silver nanoparticles were fabricated by ablation of a pure silver plate immersed in castor oil. A Nd:YAG-pulsed Q-switch laser with 1064-nm wavelength and 10-Hz frequency was used to ablate the plate for 10 minutes. The sample was characterized by ultraviolet-visible, atomic absorption, Fourier transform-infrared spectroscopies, and transmission electron microscopy. The results of the fabricated sample showed that the nanoparticles in castor oil were about 5-nm in diameter, well dispersed, and showed stability for a long period of time.
Keywords: laser ablation, silver nanoparticles, castor oil
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