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The advent of lasers opened a new branch of research of interaction of radiation with matter. The primary “eye-visible” effect of laser action on a solid target is removal of some material from the target surface within the laser spot. This process was called “laser ablation” from a Latin word ablatio, which means removal. The process of laser ablation of solids in liquids has attracted much attention of researches during the last decade. This is due mainly to the simplicity of the experimental setup. Many modern laboratories (and not just physical ones) are equipped with lasers, and synthesis of nanoparticles (NPs) is a strong temptation. The process proceeds in one step and results in immediate formation of NPs in the liquid in which the target is immersed. The main feature of the process is that ideally the liquid contains only NPs made of the target material and the liquid. There are no counterions and no residuals of reducing agents left in the solution. For this reason, laser ablation of solids in liquids can be considered as a method of synthesis of NPs, which is an alternative to chemical methods. Commercially available laser sources are characterized by a number of parameters, such as peak power, average power, wavelength of emission, and pulse repetition rate. If the final purpose of ablation of a target immersed into some liquid is the synthesis of NPs with desired properties, such as their chemical composition, size distribution, and concentration, then the abovementioned laser parameters are of different importance to the properties of desired NPs. Also, the nature of the liquid plays a significant role in the final properties of NPs generated under …
Moscow, Pan Stanford Publishing
Publication date: 
22 Feb 2012

GA Shafeev

Biblio References: 
Pages: 327-396