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Experience of Using DLS to Study the Particle Sizes of Active Component in the Catalysts Based on the Oxide and Non-Oxide Supports. / Ларичев, Юрий Васильевич.

в: Inorganics, Том 10, № 12, 248, 01.12.2022.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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@article{ae07b7494a8542ae93dac55dee9e4407,
title = "Experience of Using DLS to Study the Particle Sizes of Active Component in the Catalysts Based on the Oxide and Non-Oxide Supports",
abstract = "The present study reports the use of the dynamic light scattering (DLS) method to analyze metal nanoparticle sizes in supported catalysts (as a model system for different metal-oxide nanocomposites, ceramics, etc.). The selective dissolution of matrices has been used to transform solids to sols for DLS analysis. DLS/STS (from solid to sol) technique was tested on a wide number of different sets of supported metal catalysts (Pt, Pd, Ru metals and Al2O3, SiO2, TiO2, C3N4, carbon and polymers as supports). The transmission electron microscopy and X-ray diffraction (TEM/XRD) results for the initial supported catalysts and the DLS results for the sols prepared from them showed good agreement with each other. Moreover, it has been shown that this approach can identify the minor contamination of catalysts by large particles or aggregates which are difficult to detect by TEM/XRD.",
keywords = "DLS, STS, carbon, particle sizes, polymers, porous oxide supports, selective dissolution, sols, supported metal catalysts",
author = "Ларичев, {Юрий Васильевич}",
note = "The author is grateful to A.V. Ischenko, L.M. Kovtunova, N.N. Sankova and E.V. Parkhomchuk for assistance in the investigations and preparation samples. This work was supported by the Ministry of Science and Higher Education of the Russian Federation within the governmental order for Boreskov Institute of Catalysis (project АААА-А21-121011390053-4) and FSUS-2020-0029.",
year = "2022",
month = dec,
day = "1",
doi = "10.3390/inorganics10120248",
language = "English",
volume = "10",
journal = "Inorganics",
issn = "2304-6740",
publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",
number = "12",

}

RIS

TY - JOUR

T1 - Experience of Using DLS to Study the Particle Sizes of Active Component in the Catalysts Based on the Oxide and Non-Oxide Supports

AU - Ларичев, Юрий Васильевич

N1 - The author is grateful to A.V. Ischenko, L.M. Kovtunova, N.N. Sankova and E.V. Parkhomchuk for assistance in the investigations and preparation samples. This work was supported by the Ministry of Science and Higher Education of the Russian Federation within the governmental order for Boreskov Institute of Catalysis (project АААА-А21-121011390053-4) and FSUS-2020-0029.

PY - 2022/12/1

Y1 - 2022/12/1

N2 - The present study reports the use of the dynamic light scattering (DLS) method to analyze metal nanoparticle sizes in supported catalysts (as a model system for different metal-oxide nanocomposites, ceramics, etc.). The selective dissolution of matrices has been used to transform solids to sols for DLS analysis. DLS/STS (from solid to sol) technique was tested on a wide number of different sets of supported metal catalysts (Pt, Pd, Ru metals and Al2O3, SiO2, TiO2, C3N4, carbon and polymers as supports). The transmission electron microscopy and X-ray diffraction (TEM/XRD) results for the initial supported catalysts and the DLS results for the sols prepared from them showed good agreement with each other. Moreover, it has been shown that this approach can identify the minor contamination of catalysts by large particles or aggregates which are difficult to detect by TEM/XRD.

AB - The present study reports the use of the dynamic light scattering (DLS) method to analyze metal nanoparticle sizes in supported catalysts (as a model system for different metal-oxide nanocomposites, ceramics, etc.). The selective dissolution of matrices has been used to transform solids to sols for DLS analysis. DLS/STS (from solid to sol) technique was tested on a wide number of different sets of supported metal catalysts (Pt, Pd, Ru metals and Al2O3, SiO2, TiO2, C3N4, carbon and polymers as supports). The transmission electron microscopy and X-ray diffraction (TEM/XRD) results for the initial supported catalysts and the DLS results for the sols prepared from them showed good agreement with each other. Moreover, it has been shown that this approach can identify the minor contamination of catalysts by large particles or aggregates which are difficult to detect by TEM/XRD.

KW - DLS

KW - STS

KW - carbon

KW - particle sizes

KW - polymers

KW - porous oxide supports

KW - selective dissolution

KW - sols

KW - supported metal catalysts

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85144692703&origin=inward&txGid=7a0f28e0411c37377159ad5ea884466c

UR - https://www.mendeley.com/catalogue/25bcf3b5-b6ef-34a9-97a3-2b4463253a0e/

U2 - 10.3390/inorganics10120248

DO - 10.3390/inorganics10120248

M3 - Article

VL - 10

JO - Inorganics

JF - Inorganics

SN - 2304-6740

IS - 12

M1 - 248

ER -

ID: 43290194