Preparation of aluminium alloy metal nanoparticles by liquid pulsed-laser ablation

Ahmad Hafizuddin Mohammad Roston, Wan Isahak Wan Nor Roslam, Abu Bakar Mohamad

Research output: Contribution to journalArticle

Abstract

Background/Objectives: Nanotechnology has been stated in Malaysia New Economic Model and widely used in much application. The article focuses on nanoparticle formation using liquid pulsed-laser ablation technique. Methods: There are two methods have been used to produce the metal nanoparticles namely breakdown and build up method. In this article, the pulse laser ablation (build up method) has been used to generate the metal nanoparticles whereby the metal target is immersed in ultra-pure water. The Al alloy metal nanoparticles were studied using two laser parameters namely laser exposure time and laser power. Findings: The above mentioned method identified can generate the metal nanoparticles. The longer laser exposure time with higher power contribute higher weight loss of the Al metal. The new incoming black dots were detected on the surface of Al alloy metal samples that were shot by a laser beam. It was contributed to the formation of instabilities plasma on the metal surface towards Al nanostructures ejection. The average weight of a mass loss of Al alloy increases with the exposure time of laser shot was increases. It was shown that average of mass loss of Al metal alloy increased dramatically from the 30 second to 60 second at laser power of 1 watt. However, the higher ablation condition of 3 watt for 180s forms the bigger particle size of 900 nm and more. Conclusion/Application: At the condition of 3 watts for 30s, smaller particles size ranging of 76-1281 nm has been formed. The higher power and exposure time subsequently increase the size and homogeneity.

Original languageEnglish
Article number95247
JournalIndian Journal of Science and Technology
Volume9
Issue number21
DOIs
Publication statusPublished - 2016

Fingerprint

liquid lasers
aluminum alloys
laser ablation
pulsed lasers
nanoparticles
preparation
metals
lasers
shot
Malaysia
magnetohydrodynamic stability
nanotechnology
ejection
ablation
metal surfaces
homogeneity
economics
breakdown
laser beams

Keywords

  • Aluminium alloy
  • Liquid pulsed-laser ablation
  • Metal nanoparticles
  • Particles size
  • Surface morphology

ASJC Scopus subject areas

  • General

Cite this

Preparation of aluminium alloy metal nanoparticles by liquid pulsed-laser ablation. / Roston, Ahmad Hafizuddin Mohammad; Wan Nor Roslam, Wan Isahak; Mohamad, Abu Bakar.

In: Indian Journal of Science and Technology, Vol. 9, No. 21, 95247, 2016.

Research output: Contribution to journalArticle

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