Properties of an amorphous crystalline nanopowder Si-SiO2 produced by pulsed electron beam evaporation

被引：2
|
作者：
Ilves, V. G. [1 ]
Zuev, M. G. [2 ]
Vasin, A. A. [1 ]
Korusenko, P. M. [2 ,3 ,4 ]
Sokovnin, S. Yu [1 ,5 ]
Ulitko, M. V. [5 ]
Gerasimov, A. S. [1 ,5 ]
机构：
[1] RAS, Inst Electrophys, Ural Branch, Ekaterinburg 620016, Russia
[2] RAS, Inst Solid State Chem, Ural Branch, Ekaterinburg 620990, Russia
[3] St Petersburg State Univ, 7-9 Univ Skaya Nab, St Petersburg 199034, Russia
[4] Omsk State Tech Univ, 11 Mira prosp, Omsk 644050, Russia
[5] Ural Fed Univ, Ekaterinburg 620002, Russia
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2024年 / 316卷
基金：
俄罗斯科学基金会;
关键词：
MESOPOROUS SILICA NANOPARTICLES; OXIDATIVE STRESS; OXIDE-FILMS; LUMINESCENCE PROPERTIES; LASER-ABLATION; POROUS SILICON; PHOTOLUMINESCENCE; NANOCRYSTALS; ABSORPTION; MECHANISMS;
D O I：
10.1016/j.matchemphys.2024.129026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A mesoporous amorphous crystalline nanopowder (NP) Si-SiO2 with a specific surface area (SSA) of 35 m2/g was produced by pulsed electron beam evaporation (PEBE) of a compact of micron commercial SiO2 powder (0.9 m2/g). Si semimetal nanoparticles (NPles) reduced in for vacuum (approximate to 4 Pa) had a marked effect on the thermal and luminescent properties of the Si-SiO2 nanoparticles compared to the properties of amorphous SiO2 NPles produced earlier by PEBE evaporation of a target compound made from NP Aerosil 90 (Degussa). Photocatalytic capabilities of Si-SiO2 nanoparticles were evaluated. NPles Si-SiO2 showed high antioxidant activity on HELA cancer cells.
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页数：14
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