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Tytuł pozycji:

Kinetics of Oxidation of Composites Based on Arrays of Multiwalled Carbon Nanotubes and Tin Oxide Obtained by the Magnetron Sputtering Method.

Tytuł:
Kinetics of Oxidation of Composites Based on Arrays of Multiwalled Carbon Nanotubes and Tin Oxide Obtained by the Magnetron Sputtering Method.
Autorzy:
Nesov, S. N.
Korusenko, P. M.
Bolotov, V. V.
Ivlev, K. E.
Povoroznyuk, S. N.
Sten'kin, Yu. A.
Temat:
MULTIWALLED carbon nanotubes
X-ray absorption near edge structure
MAGNETRON sputtering
TIN oxides
CARBON nanotubes
OXIDATION kinetics
MAGNETRONS
Źródło:
Protection of Metals & Physical Chemistry of Surfaces; Jul2021, Vol. 57 Issue 4, p735-744, 10p
Czasopismo naukowe
The structure, morphology, and chemical state of composites based on arrays of multiwalled carbon nanotubes and tin oxide (SnOx/MWCNT) obtained using the method of magnetron sputtering were studied using the scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy, and near edge X-ray absorption fine structure methods. It has been shown that porous layers with a defective structure containing Sn(II) and Sn(IV) oxides along with tin metal were formed on the surface of the MWCNT, which were transformed into crystalline Sn(IV) oxide with a tetragonal lattice at a temperature of ~550°C. The special characteristics of the oxidation and crystallization of the composite components depending on the modes of thermal treatment have been studied. It has been demonstrated that varying the modes of thermal treatment enabled nanostructured materials to be formed that differed significantly in structure, morphology, and composition. It has been hypothesized that the special aspects of the transformation of the composite structure in the process of thermal treatment were determined by the presence of contact of the MWCNT surface with atmosphere. [ABSTRACT FROM AUTHOR]
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