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

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Abstract

The possibility of analyzing deposited metal catalysts by small-angle neutron scattering through contrast variation based on the use of H2O/D2O 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.

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ACKNOWLEDGMENTS

We are grateful to A.V. Ishchenko and D.A. Zyuzin for their help in conducting the research. Also, Yu.V. Larichev expresses gratitude to the Center for Collective Use “VTAN”, Novosibirsk State University, for the provision of measuring equipment.

Funding

This work was financially supported by the Ministry of Education and Science of the Russian Federation (project no. AAAA-A17-117041710079-8).

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Authors and Affiliations

  1. Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia

    Yu. V. Larichev

  2. Novosibirsk State University, 630090, Novosibirsk, Russia

    Yu. V. Larichev

  3. Joint Institute for Nuclear Research, 141980, Dubna, Moscow oblast, Russia

    O. I. Ivankov

  4. Institute for Safety Problems of Nuclear Power Plants, National Academy of Sciences of Ukraine, 07270, Kyiv, Ukraine

    O. I. Ivankov

  5. Moscow Institute of Physics and Technology, 141701, Dolgoprudny, Moscow oblast, Russia

    O. I. Ivankov

Authors
  1. Yu. V. Larichev
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  2. O. I. Ivankov
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Correspondence to Yu. V. Larichev.

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Larichev, Y.V., Ivankov, O.I. Study of Supported Metal Catalysts by the Methods of the Small-Angle Scattering of Neutrons and X-rays. J. Surf. Investig. 15, 903–907 (2021). https://doi.org/10.1134/S1027451021050074

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  • DOI: https://doi.org/10.1134/S1027451021050074

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