The effect of laser wavelength on single-wall carbon nanotubes synthesis yield and their properties was studied. A doublepulse Nd:YAG laser, working at a wavelength of 355 or 1064 nm, was used for carbon nanotubes production. The synthesized carbon nanotubes (CNTs) were investigated using the SEM/STEM microscopy and Raman spectroscopy. The results show that the useful range of UV laser radiation fluence is narrower and the properties of synthesized CNTs depend much more on the laser fluence than in the case of infrared laser radiation. Pulsed lasers are especially suitable in generation of non-equilibrium conditions due to a short time scale of temperature changes. PLV offers extraordinarily high temperatures in which graphite and metallic catalyst particles are transformed into the carbon-metal vapor. During the interaction of the laser beam with a target, its surface is heated to a temperature exceeding the boiling point and sometimes exceeding the critical temperature. At the same moment, vaporization begins. The evaporated particles are further heated by the laser pulse to temperatures of several tens of kilokelvin and form a plasma plume. Next,
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