NDLI: Density of O-atoms in an Afterglow Reactor During Treatment of Wool

Content Provider	Springer Nature Link
Author	Canal, Cristina Gaboriau, Freddy Ricard, Andre Mozetic, Miran Cvelbar, Uros Drenik, Aleksander
Copyright Year	2007
Abstract	Density of neutral oxygen atoms in the ground state has been measured during treatment of wool fabric samples. Samples were placed in an afterglow reactor with a volume of about 5 l, which was pumped with a two stage rotary pump with the nominal pumping speed of 28 m$^{3}$/h. The source of the oxygen atoms was a microwave discharge operating in the surfatron mode at 2.45 GHz and adjustable output power up to 300 W. The density of O-atoms in the afterglow chamber was measured with a fiber-optics catalytic probe. For the empty reactor, the O density depended on discharge parameters and was between 0.8 and 2.8 × 10$^{21}$ m$^{−3}$ at 40 and 50 Pa respectively. During the treatment of wool, the O density depended largely on the exposure time. For untreated samples, the O density was below the detection limit of the probe, while prolonged treatment allowed for recovering the O density. The recovery always occurred after having submitted wool samples to the dose of the order of 10$^{23}$ atoms/m$^{2}$. The results were explained by oxidation of the thin lipid layer on the surface of the wool fibres.
Starting Page	404
Ending Page	413
Page Count	10
File Format	PDF
ISSN	02724324
Journal	Plasma Chemistry and Plasma Processing
Volume Number	27
Issue Number	4
e-ISSN	15728986
Language	English
Publisher	Springer US
Publisher Date	2007-07-26
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Oxygen plasma Plasma characterization Catalytic probe Surface activation Wool Nuclear Physics, Heavy Ions, Hadrons Inorganic Chemistry Mechanical Engineering Characterization and Evaluation of Materials Mechanics
Content Type	Text
Resource Type	Article
Subject	Chemistry Surfaces, Coatings and Films Condensed Matter Physics Chemical Engineering

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