Laser induced synthesis of nanoparticles in liquids

A. V. Simakin; G. A. Shafeev; V. V. Voronov

doi:10.1117/12.633669

Abstract

The review of results on nanoparticles formation is presented under laser ablation of Ag, Au, and Cu-containing solid targets in liquid environments (H₂O, C₂H₅OH, C₂H₄Cl₂, etc.). X-ray diffractometry (XRD), UV-Vis optical transmission spectrometry, and High Resolution Transmission Electron Microscopy (HRTEM) characterize the nanoparticles. The morphology of nanoparticles is studied as the function of both laser fluence and nature of the liquid. The possibility to control the shape of nanoparticles by ablation of an Au target by an interference pattern of two laser beams is demonstrated. Formation of alloyed Au-Ag and Ag-Cu nanoparticles is reported under laser exposure of a mixture of individual nanoparticles. Self-influence of the beam of a femtosecond laser is discussed under ablation of the Ag target in liquids under Ti:sapphire laser. The factors are discussed that determine the distribution function of particles size under laser ablation. The influence of laser parameters as well as the nature on the liquid on the properties of nanoparticles is elucidated.

Citation Download Citation

A. V. Simakin, A. V. Simakin, G. A. Shafeev, G. A. Shafeev, V. V. Voronov, V. V. Voronov, } "Laser induced synthesis of nanoparticles in liquids", Proc. SPIE 5850, Advanced Laser Technologies 2004, (7 June 2005); doi: 10.1117/12.633669; https://doi.org/10.1117/12.633669

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