Investigations and use of nano particles (NPs) as photo thermal (PT) agents in laser and optical nanotechnology are fast growing\nareas of research and applications. The potential benefits of NPs applications include possibility for thermal imaging and treatment\nof materials containing of NPs, applications of NPs for light-to-thermal energy conversion, in catalysis, laser nano medicine,\nand chemistry. Efficiency of applications of metallic NPs for laser and optical nanotechnology depends on plasmonic and\nthermophysical properties ofNPs, characteristics of radiation, and surrounding medium.Herewe present the results of comparative\nanalysis of NP properties (plasmonic, thermooptical, and others) allowing selecting their parameters for thermoplasmonic and\nphotonic applications. Plasmonic and thermooptical properties of several metallic (aurum, silver, platinum, cobalt, zinc, nickel,\ntitanium, cuprum, aluminum, molybdenum, vanadium, and palladium) NPs are theoretically investigated and analysis of them is\ncarried out. Investigation of the influence of NPs parameters (type of metal, radii, optical indexes, density, and heat capacity of NP\nmaterial), characteristics of radiation (wavelength and pulse duration), and ambient parameters on plasmonic and thermophysical\nproperties of NPs has been carried out. It was established that maximum value of thermooptical parameter (maximum NP\ntemperature) can be achieved with the use of absorption efficiency factor of NP smaller than its maximum value.
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