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Synthesis of nanosized particles during laser ablation of gold in water
Authors:NV Tarasenko  AV Butsen  EA Nevar  NA Savastenko
Institution:Institute of Molecular and Atomic Physics, National Academy of Sciences of Belarus, 70 Scaryna Ave., 220072 Minsk, Belarus
Abstract:In this paper we report the formation of gold nanoparticles during laser ablation of gold target in water in the absence of any additives. The experiments were carried out by using the radiation of the pulsed Nd:YAG laser, operating at the second (532 nm, 10 ns, 10 Hz), or the fourth harmonic (266 nm) wavelengths. The properties of the nanoparticles were found to be susceptible to the additional 532 and 266 nm laser irradiation. It has been established that both the mean size of the nanoparticles and their stability could be varied by proper selection of the parameters of laser ablation and postirradiation such as laser fluence and wavelength combinations.
Keywords:Nanoparticles  Gold colloids  Laser ablation  Laser-induced modification
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