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Nanostructured PtZn Intermetallic Compound: Controlled Formation from PtZn(CH3COO)4 Molecular Precursor and Tests of Catalytic Properties Научная публикация

Журнал Intermetallics
ISSN: 0966-9795 , E-ISSN: 1879-0216
Вых. Данные Год: 2021, Том: 132, Номер статьи : 107160, Страниц : 10 DOI: 10.1016/j.intermet.2021.107160
Ключевые слова Alloys, Intermetallic compound, Materials characterization, Nanocomposites, Phase transformation, Synchrotron X-Ray diffraction
Авторы Smirnova Nadezhda S. 1 , Khramov Evgeny V. 2 , Stolarov Igor P. 1 , Yakushev Ilya A. 1 , Baeva Galina N. 3 , Bragina Galina O. 3 , Belova Ekaterina V. 4 , Ishchenko Arcady V. 5 , Popova Anna S. 6 , Zubavichus Yan V. 5 , Vargaftik Michael N. 1 , Stakheev Aleksander Y. 3
Организации
1 Kurnakov Institute of General and Inorganic Chemistry RAS
2 National Research Center «Kurchatov Institute»
3 Zelinsky Institute of Organic Chemistry RAS
4 Lomonosov Moscow State University
5 Boreskov Institute of Catalysis SB RAS
6 Peoples’ Friendship University of Russia

Информация о финансировании (4)

1 Российский научный фонд 18-73-10206 (АААА-А18-118112090105-3)
2 Российский научный фонд 19-13-00285
3 Российский фонд фундаментальных исследований 18-03-00228 (АААА-А18-118120690145-8)
4 Министерство науки и высшего образования Российской Федерации (с 15 мая 2018)

Реферат: Phase transformations of a newly synthesized heterobimetallic ZnPt(OOCMe)4(H2O)(MeCOOH)2 acetate in a chemically reductive atmosphere at mildly elevated temperatures are thoroughly studied in order to optimize conditions for the formation of nanostructured PtZn intermetallic compound. According to XAFS and XRD data, the first stage of reductive thermolysis is the reduction of the noble metal, while zinc remains in an oxygen environment. At the second stage the reduction of Zn and the formation of the bimetallic solid solution with the fcc lattice occur. It is shown that recrystallization of solid solution to ordered PtZn intermetallic compound with the tetragonal structure occurs in a narrow temperature range of 250–275 ◦C. Based on these results, the optimum reduction temperature for the preparation of supported bimetallic Pt–Zn/Al2O3 catalyst was determined to be 300 ◦C. Results of catalytic tests of the supported material are reported.
Библиографическая ссылка: Smirnova N.S. , Khramov E.V. , Stolarov I.P. , Yakushev I.A. , Baeva G.N. , Bragina G.O. , Belova E.V. , Ishchenko A.V. , Popova A.S. , Zubavichus Y.V. , Vargaftik M.N. , Stakheev A.Y.
Nanostructured PtZn Intermetallic Compound: Controlled Formation from PtZn(CH3COO)4 Molecular Precursor and Tests of Catalytic Properties
Intermetallics. 2021. V.132. 107160 :1-10. DOI: 10.1016/j.intermet.2021.107160 WOS Scopus РИНЦ CAPlus OpenAlex
Даты:
Поступила в редакцию: 4 сент. 2020 г.
Принята к публикации: 16 февр. 2021 г.
Опубликована online: 4 мар. 2021 г.
Опубликована в печати: 1 мая 2021 г.
Идентификаторы БД:
Web of science: WOS:000634631600003
Scopus: 2-s2.0-85101993661
РИНЦ: 46755737
Chemical Abstracts: 2021:570921
OpenAlex: W3134800229
Цитирование в БД:
БД Цитирований
Scopus 5
Web of science 6
РИНЦ 6
OpenAlex 7
Альметрики: