Obtaining Silicon Oxide Nanoparticles Doped with Fluorine and Gold Particles by the Pulsed Plasma-Chemical Method. (7th March 2019)

• Record Type: Journal Article
• Authors: Kholodnaya, Galina; Sazonov, Roman; Ponomarev, Denis; Zhirkov, Igor
• Other Names: Rossi Marco Academic Editor.
• Is Part Of: Journal of nanotechnology. Volume 2019(2019)
• Publication Date: 2019-03-07
• Subjects: Nanotechnology -- Periodicals; Nanotechnology; Nanotechnology; Periodicals; Periodicals; 620.5
• DOI: 10.1155/2019/7062687
• Languages: English
• ISSNs: 1687-9503

Abstract

Abstract : This paper presents a study on pulsed plasma-chemical synthesis of fluorine- and gold-doped silicon oxide nanopowder. The gold- and fluorine-containing precursors were gold chloride (AuCl3 ) and sulphur hexafluoride (SF6 ). Pulsed plasma-chemical synthesis is realized on the laboratory stand, including a plasma-chemical reactor and TEA-500 electron accelerator. The parameters of the electron beam are as follows: 400–450 keV electron energy, 60 ns half-amplitude pulse duration, up to 200 J pulse energy, and 5 cm beam diameter. We confirmed the composite structure of Si x O y @Au by using transmission electron microscopy and energy-dispersive spectroscopy. We determined the chemical composition and morphology of synthesized Si x O y @Au and Si x O y @F nanocomposites. The material contained a Si x O y @Au carrier with an average size of 50–150 nm and a shell of fine particles with an average size of 5–10 nm.