Effect of laser pulse energy on the formation of alumina nanoparticles synthesized by laser ablation in water

Conference proceedings article

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Publication Details

Author list: Piriyawong V., Thongpool V., Asanithi P., Limsuwan P.

Publisher: Elsevier

Publication year: 2012

Volume number: 32

Start page: 1107

End page: 1112

Number of pages: 6

ISSN: 1877-7058

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84891960130&doi=10.1016%2fj.proeng.2012.02.062&partnerID=40&md5=e5d1df7a191991ea55aa444a52c534b8

Languages: English-Great Britain (EN-GB)

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Abstract

Alumina nanoparticles were synthesized from a bulk aluminium using laser ablation from Nd:YAG laser with a wavelength of 1064 nm in deionized water. Physical and chemical properties of the nanoparticles were investigated as a function of the laser pulse energies, including 1, 3 and 5 J. 3 J of laser energy offered plenty of spherical nanoparticles with a uniform size distribution of less than 100 nm. UV-visible spectroscopy was used to evaluate the optical property of the obtained suspension, representing a strong peak at 213 nm. XRD analysis showed that plenty of the nanoparticles are κ-Al 2O3, which would be very useful for many applications. © 2010 Published by Elsevier Ltd.

Keywords

Alumina, Laser Ablation, Laser Energy, nanoparticles