Nanostructured PtZn intermetallic compound: Controlled formation from PtZn(CH3 COO)4 molecular precursor and tests of catalytic properties
Igor Stolarov
1
,
Ilya A. Yakushev
1
,
Galina N Baeva
3
,
Galina O Bragina
3
,
Ekaterina Belova
4
,
A. Ishchenko
5
,
Anna S. POPOVA
6
,
5
Publication type: Journal Article
Publication date: 2021-05-01
scimago Q1
wos Q1
SJR: 1.140
CiteScore: 7.7
Impact factor: 4.8
ISSN: 09669795, 18790216
Materials Chemistry
Metals and Alloys
General Chemistry
Mechanical Engineering
Mechanics of Materials
Abstract
Phase transformations of a newly synthesized heterobimetallic ZnPt(OOCMe) 4 (H 2 O)(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/Al 2 O 3 catalyst was determined to be 300 °C. Results of catalytic tests of the supported material are reported. F0B7 A thorough investigation of decomposition of PtZn(CH 3 COO) 4 complex was made. F0B7 The decomposition of Pt–Zn complex is simple way to obtain PtZn intermetallic phase. F0B7 The optimum preparation conditions for bimetallic Pt–Zn/Al 2 O 3 catalyst were found.
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Total citations:
8
Citations from 2024:
2
(25%)
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Smirnova N. V. et al. Nanostructured PtZn intermetallic compound: Controlled formation from PtZn(CH3COO)4 molecular precursor and tests of catalytic properties // Intermetallics. 2021. Vol. 132. p. 107160.
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Smirnova N. V., Khramov E. V., Stolarov I., Yakushev I. A., Baeva G. N., Bragina G. O., Belova E., Ishchenko A., POPOVA A. S., Zubavichus Y. V., Vargaftik M., Stakheev A. Yu. Nanostructured PtZn intermetallic compound: Controlled formation from PtZn(CH3COO)4 molecular precursor and tests of catalytic properties // Intermetallics. 2021. Vol. 132. p. 107160.
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TY - JOUR
DO - 10.1016/j.intermet.2021.107160
UR - https://linkinghub.elsevier.com/retrieve/pii/S0966979521000765
TI - Nanostructured PtZn intermetallic compound: Controlled formation from PtZn(CH3COO)4 molecular precursor and tests of catalytic properties
T2 - Intermetallics
AU - Smirnova, Nadezhda V.
AU - Khramov, Evgeny V.
AU - Stolarov, Igor
AU - Yakushev, Ilya A.
AU - Baeva, Galina N
AU - Bragina, Galina O
AU - Belova, Ekaterina
AU - Ishchenko, A.
AU - POPOVA, Anna S.
AU - Zubavichus, Yan V.
AU - Vargaftik, Michael
AU - Stakheev, Alexander Yu
PY - 2021
DA - 2021/05/01
PB - Elsevier
SP - 107160
VL - 132
SN - 0966-9795
SN - 1879-0216
ER -
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BibTex (up to 50 authors)
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@article{2021_Smirnova,
author = {Nadezhda V. Smirnova and Evgeny V. Khramov and Igor Stolarov and Ilya A. Yakushev and Galina N Baeva and Galina O Bragina and Ekaterina Belova and A. Ishchenko and Anna S. POPOVA and Yan V. Zubavichus and Michael Vargaftik and Alexander Yu Stakheev},
title = {Nanostructured PtZn intermetallic compound: Controlled formation from PtZn(CH3COO)4 molecular precursor and tests of catalytic properties},
journal = {Intermetallics},
year = {2021},
volume = {132},
publisher = {Elsevier},
month = {may},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0966979521000765},
pages = {107160},
doi = {10.1016/j.intermet.2021.107160}
}