Publication details

Atmospheric pressure plasma assisted calcination of organometallic fibers

Authors

MEDVECKÁ Veronika KOVÁČIK Dušan ZAHORANOVÁ Anna STUPAVSKÁ Monika ČERNÁK Mirko

Year of publication 2016
Type Article in Periodical
Magazine / Source Materials Letters
MU Faculty or unit

Faculty of Science

Citation
Doi http://dx.doi.org/10.1016/j.matlet.2015.09.109
Field Plasma physics
Keywords Plasma assisted calcination; CeO2 inorganic fibers; DCSBD; Dielectric barrier discharge; Atmospheric pressure plasma
Description Plasma assisted calcination of composite submicron fibers (Ce(NO3)3/polyvinylpyrrolidone)as a novel method for inorganic submicron fibers preparation was studied. Special type of dielectric barrier discharge, so called Diffuse Coplanar Surface Barrier Discharge(DCSBD)was used for the plasma treatment of composite fibers at atmospheric pressure in ambient air for the purpose of oxidation and removing of organic base polymer by the active species produced in plasma. High decrease of C/Ce ratio and formation of porosity on fibers surface were observed after plasma calcination at exposure time in the order of minutes. Due to the low temperature approach and short treatment time, plasma assisted calcination is a suitable and perspective alternative to the conventional high-temperature calcination.

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