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A Method to Fabricate Disconnected Silver Nanostructures in 3D
Published on: November 27, 2012
Laser-fabricated castor oil-capped silver nanoparticles
Reza Zamiri1, Azmi Zakaria, Hossein Abbastabar
1Department of Physics, Faculty of Science, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia.
International Journal of Nanomedicine
|June 24, 2011
Summary
Researchers created stable, 5-nm silver nanoparticles using laser ablation in castor oil. This method offers a simple way to produce well-dispersed nanoparticles for potential applications.
Area of Science:
- Materials Science
- Nanotechnology
- Physical Chemistry
Background:
- Laser ablation in liquids (LAL) is a versatile method for nanoparticle synthesis.
- Castor oil offers a unique liquid medium for nanoparticle fabrication due to its properties.
Purpose of the Study:
- To fabricate silver nanoparticles (AgNPs) using laser ablation in castor oil.
- To characterize the size, dispersion, and stability of the synthesized AgNPs.
Main Methods:
- A pure silver plate was ablated using a Nd:YAG-pulsed Q-switch laser (1064 nm, 10 Hz) in castor oil for 10 minutes.
- Characterization involved ultraviolet-visible (UV-Vis) spectroscopy, atomic absorption spectroscopy (AAS), Fourier transform-infrared (FTIR) spectroscopy, and transmission electron microscopy (TEM).
Main Results:
- The fabricated silver nanoparticles were approximately 5 nm in diameter.
- The nanoparticles exhibited good dispersion within the castor oil medium.
- The synthesized AgNPs demonstrated long-term stability.
Conclusions:
- Laser ablation in castor oil is an effective method for producing small, well-dispersed, and stable silver nanoparticles.
- The findings suggest potential for using this method in applications requiring stable silver nanoparticles.

