Comparative Study of Structural Properties of Bulk and Aluminum Oxide Supported Ce1–xNixOy Oxides | Sciact - CRIS-система Института катализа

Comparative Study of Structural Properties of Bulk and Aluminum Oxide Supported Ce1–xNixOy Oxides Научная публикация

Журнал

Journal of Structural Chemistry
ISSN: 0022-4766 , E-ISSN: 1573-8779

Вых. Данные

Год: 2024, Том: 65, Номер: 9, Страницы: 1692-1706 Страниц : 15 DOI: 10.1134/S0022476624090026

Ключевые слова

nanomaterials; complex oxides; solid solutions; powder XRD; Raman spectroscopy; electron microscopy.

Авторы

Matus E.V. ¹ , Kovalenko E.N. ^1,2 , Kapishnikov A.V. ¹ , Leonova A.A. ¹ , Nikitin A.P. ³ , O. A. Stonkus ¹ , Ushakov V.A. ¹ , Yashnik S.A. ¹ , Sukhova O.B. ¹ , Kerzhentsev M.A. ¹

Организации

1	Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
2	Novosibirsk State Technical University, Novosibirsk, Russia
3	Federal Research Center of Coal and Coal Chemistry, Siberian Branch, Russian Academy of Sciences, Kemerovo, Russia

Информация о финансировании (1)

Министерство науки и высшего образования Российской Федерации (с 15 мая 2018)

FWUR-2024-0033

A comparative analysis of the properties of bulk and aluminum oxide supported Ce1–xNixOy oxides (x = 0.2-0.8; y = 1.2-1.8) exhibiting catalytic activity in reforming reactions is performed using a complex of physical and chemical methods (thermal analysis, low-temperature nitrogen adsorption, powder XRD, Raman spectroscopy, electron microscopy, hydrogen temperature-programmed reduction). It is shown that the obtained samples are mesoporous materials with a specific surface area of 100±10 m2/g, containing substitutional solid solutions with fluorite cubic structure in their composition. In contrast to bulk Ce1–xNixOy complex oxide samples, the Ce1–xNixOy/Al2O3 material exhibits resistance to sintering during high temperature treatments in the course of activation and the subsequent reaction. At the same time, the formation temperature of metal Ni particles increases (540 °C vs. 350 °C) and the dispersion of the Ni0 phase after the reaction is preserved (6.5 nm vs. 50 nm). A relationship between characteristics of these materials and their functional properties is revealed.

Matus E.V. , Kovalenko E.N. , Kapishnikov A.V. , Leonova A.A. , Nikitin A.P. , O. A. S. , Ushakov V.A. , Yashnik S.A. , Sukhova O.B. , Kerzhentsev M.A.
Comparative Study of Structural Properties of Bulk and Aluminum Oxide Supported Ce1–xNixOy Oxides
Journal of Structural Chemistry. 2024. V.65. N9. P.1692-1706. DOI: 10.1134/S0022476624090026 WOS Scopus РИНЦ CAPlus OpenAlex

Матус Е.В. , Коваленко Е.Н. , Капишников А.В. , Леонова А.А. , Никитин А.П. , Стонкус О.А. , Ушаков В.А. , Яшник С.А. , Сухова О.Б. , Керженцев М.А.
Сравнительное исследование структурных свойств массивных и нанесенных на оксид алюминия оксидов Ce1-xNixOy
Журнал структурной химии. 2024. Т.65. №9. 131836 . DOI: 10.26902/jsc_id131836 РИНЦ OpenAlex

Поступила в редакцию:	15 апр. 2024 г.
Принята к публикации:	25 апр. 2024 г.
Опубликована в печати:	1 сент. 2024 г.
Опубликована online:	2 окт. 2024 г.

Web of science:	WOS:001329290400005
Scopus:	2-s2.0-85206075543
РИНЦ:	71319857
Chemical Abstracts:	2024:2130404
OpenAlex:	W4403063105

Пока нет цитирований