Luminescent properties of nanoparticles synthesized in electric discharge in liquid under ultrasonic cavitation

N. A. Bulychev; M. A. Kazaryan; L. S. Lepnev; A. S. Averyushkin; M. N. Kirichenko; A. R. Zakharyan; A. A. Chernov

doi:10.1117/12.2303456

16 April 2018 Luminescent properties of nanoparticles synthesized in electric discharge in liquid under ultrasonic cavitation

N. A. Bulychev, M. A. Kazaryan, L. S. Lepnev, A. S. Averyushkin, M. N. Kirichenko, A. R. Zakharyan, A. A. Chernov

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Proceedings Volume 10614, International Conference on Atomic and Molecular Pulsed Lasers XIII; 1061413 (2018) https://doi.org/10.1117/12.2303456
Event: XIII International Conference on Atomic and Molecular Pulsed Lasers, 2017, Tomsk, Russia

Abstract

In this paper, differences in the luminescence intensity of nanoparticles of metal oxides synthesized in electric discharges in liquid media under the influence of intense ultrasonic vibrations prior to cavitation and after the start of cavitation regime have been studied. The increase in the luminescence intensity of nanoparticles obtained by ultrasonic cavitation can be explained by the formation of defects in oxide crystals under the influence of intense mechanical action. In the process of synthesis, the particles are exposed not only to the action of electromagnetic fields, but also to shock waves during the collapse of cavitation bubbles, which leads to the formation of defective valence structures and delocalization of electrons.

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N. A. Bulychev, M. A. Kazaryan, L. S. Lepnev, A. S. Averyushkin, M. N. Kirichenko, A. R. Zakharyan, and A. A. Chernov "Luminescent properties of nanoparticles synthesized in electric discharge in liquid under ultrasonic cavitation", Proc. SPIE 10614, International Conference on Atomic and Molecular Pulsed Lasers XIII, 1061413 (16 April 2018); https://doi.org/10.1117/12.2303456

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