Bismuth and Gold Nanoparticles Prepared by Laser Ablation in Aqueous Solutions

Luis Escobar-Alarcón; Emmanuel Velarde Granados; Diana Villa Sanchez; Oscar Olea-Mejia; Emmanuel Haro-Poniatowski; Alma Arrieta Castañeda; Dora Alicia Solis-Casados

doi:10.4028/www.scientific.net/AMR.976.196

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 976Bismuth and Gold Nanoparticles Prepared by Laser...

Bismuth and Gold Nanoparticles Prepared by Laser Ablation in Aqueous Solutions

Abstract:

The aim of this work is to report on the preparation of bismuth and gold nanoparticles ablating the corresponding target immersed in different liquid solutions: water and ethanol. The effect of the liquid environment and laser fluence used for ablation on the size and size distribution of the nanoparticles synthesized was investigated. The nanoparticle size was measured by transmission electron microscopy (TEM). In general terms, for both metals, the results obtained reveal smaller sizes as low as approximately 2 nm. The bismuth nanoparticles, as deposited, are highly crystalline in nature and, depending on the conditions of preparation, either Bi or Bi₂O₃ nanoparticles are obtained in both liquids. UV-Vis measurements show the typical band absorption characteristic of spherical particles of nanometric size. It is worth mentioning that the gold colloids obtained using water are very stable.

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Periodical:

Advanced Materials Research (Volume 976)

Pages:

196-201

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.976.196

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Online since:

June 2014

Authors:

Luis Escobar-Alarcón*, Emmanuel Velarde Granados, Diana Villa Sanchez, Oscar Olea-Mejia, Emmanuel Haro-Poniatowski, Alma Arrieta Castañeda, Dora Alicia Solis-Casados

Keywords:

Au, Bi, Laser Ablation, Nanoparticle

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