Fabrication Of High Stable Gold Nanofluid By Pulsed Laser Ablation In Liquids

R. Torres-Mendieta1*, R. Mondragón2, E. Juliá2, O. Mendoza-Yero1, J. Lancis1, G. Mínguez-Vega1*

1GROC, UJI, Institut de Noves Tecnologies de la Imatge (INIT), Universitat Jaume I., 12080, Castelló, Spain

2Departmento de Ingeniería Mecánica y Construcción, Universitat Jaume I., 12071, Castelló, Spain

Adv. Mater. Lett., 2015, 6 (12), pp 1037-1042

DOI: 10.5185/amlett.2015.6038

Publication Date (Web): Nov 24, 2015

E-mail: mendieta@uji.es, gminguez@uji.es

Abstract


Laser ablation in liquids by femtosecond radiation has been used to generate gold nanoparticles in a heat transfer fluid to produce a high stable thermal nanofluid as a heat transfer intensification technique. In oil based fluids, no matter the actual fabrication route, nanoparticles tend to agglomerate. Here, we report a new form to control its stability through the addition of a surfactant that does not degrade at high temperatures. It allow us to produce gold nanoparticles of 58±31 nm in the liquid in situ, avoiding in this way the generation of pollution and reducing the maximum point of nanoparticle agglomeration at 370 nm. The developing of this new nanofluid represents a great opportunity for the harvesting of solar energy industry.

Keywords

Gold nanoparticles, nanofluids, harvesting of energy, pulsed laser ablation.

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