Study of Supported Metal Catalysts by the Methods of the Small-Angle Scattering of Neutrons and X-rays

The possibility of analyzing deposited metal catalysts by small-angle neutron scattering through contrast variation based on the use of H 2 O/D 2 O mixtures is shown. The use of the contrasting technique makes it possible to selectively obtain the size distribution of metal particles in a wide range...

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Bibliographic Details
Published in:Surface investigation, x-ray, synchrotron and neutron techniques x-ray, synchrotron and neutron techniques, 2021-09, Vol.15 (5), p.903-907
Main Authors: Larichev, Yu. V., Ivankov, O. I.
Format: Article
Language:English
Subjects:
Catalysts
Chemistry and Materials Science
Deuteration
Materials Science
Metal particles
Neutron scattering
Neutrons
Particle physics
Particle size distribution
Structural analysis
Surfaces and Interfaces
Thin Films
X-ray scattering
X-rays
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Summary:The possibility of analyzing deposited metal catalysts by small-angle neutron scattering through contrast variation based on the use of H 2 O/D 2 O mixtures is shown. The use of the contrasting technique makes it possible to selectively obtain the size distribution of metal particles in a wide range of sizes. The reliability of the obtained size distributions of metal particles is confirmed by the additional data of transmission electron microscopy and X-ray diffractometry. Variation in the contrast in small-angle neutron scattering with the use of deuterated liquids is shown to have greater possibilities with respect to the structural analysis of deposited catalysts in comparison with small-angle X-ray scattering.
ISSN:1027-4510
1819-7094
DOI:10.1134/S1027451021050074