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Preparation of Nanoparticles by Laser Ablation on Copper Target in Distilled Water

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Abstract:

Preparation of nanoparticles by pulsed Nd:YAG (1064 nm) laser ablation on copper target submerged in distilled water has been studied. Effects of pulse power and liquid height were investigated. Colloidal nanoparticles were characterized by UV-Vis spectroscopy, Raman dynamic light scattering and transmission electron microscopy. The concentration of nanoparticles was increased with the pulse power at a particular liquid height or volume. The size of nanoparticles related complicatedly to both parameters. The optimum conditions were the pulse power of 80 W and the liquid height of 3-4 mm. The obtained mean particle size was 20-37 nm, having the maximum UV-Vis absorption wavelength at 617-630 nm. The colloids contained mainly copper oxide nanoparticles.

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Periodical:

Advanced Materials Research (Volumes 93-94)

Pages:

83-86

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.93-94.83

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Online since:

January 2010

Authors:

Htain Lin Aye, Supab Choopun, Torranin Chairuangsri

Keywords:

Copper (Cu), Distilled Water, Laser Ablation, Nanoparticle, Raman Dynamic Light Scattering, TEM, UV-VIS Spectroscopy

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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