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

被引：2

作者：

Bulychev, N. A. ^{[1
]}

Kazaryan, M. A. ^{[1
]}

Lepnev, L. S. ^{[1
]}

Averyushkin, A. S. ^{[1
]}

Kirichenko, M. N. ^{[1
]}

Zakharyan, A. R. ^{[2
]}

Chernov, A. A. ^{[3
]}

机构：

[1] RAS, PN Lebedev Phys Inst, Leninsky Pr T 53, Moscow 119991, Russia

[2] Moscow Inst Aviat Technol, Volokolamskoe Shosse 4, Moscow 125993, Russia

[3] RAS, AM Prokhorov Gen Phys Inst, Vavilova Str 38, Moscow 119991, Russia

来源：

INTERNATIONAL CONFERENCE ON ATOMIC AND MOLECULAR PULSED LASERS XIII | 2018年 / 10614卷

关键词：

ultrasound; cavitation; plasma; electric discharge; nanoparticles; luminescence; METAL-OXIDE PARTICLES; PLASMA DISCHARGE; MECHANICAL ACTIVATION; SURFACE MODIFICATION; PHASE; STABILITY; PIGMENTS; EXPOSURE;

D O I：

10.1117/12.2303456

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

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.

引用

页数：4

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