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Fizika Tverdogo Tela, 2017, Volume 59, Issue 8, Pages 1642–1649
DOI: https://doi.org/10.21883/FTT.2017.08.44771.43 (Mi ftt9506) 		 
This article is cited in 12 scientific papers (total in 12 papers)

Atomic clusters

The effect of thermal treatment on the atomic structure of core–shell PtCu nanoparticles in PtCu/C electrocatalysts

V. V. Pryadchenkoa, S. V. Belenova, D. B. Shemeta, V. A. Volochaeva, V. V. Srabionyana, L. A. Avakyana, N. Yu. Tabachkovab, V. E. Gutermana, L. A. Bugaeva

a Southern Federal University, Rostov-on-Don
b National University of Science and Technology «MISIS», Moscow
Full-text PDF (1105 kB) Citations (12)
DOI: https://doi.org/10.21883/FTT.2017.08.44771.43
Abstract: PtCu/C electrocatalysts with bimetallic PtCu nanoparticles were synthesized by successive chemical reduction of Cu$^{2+}$ and Pt(IV) in a carbon suspension prepared based on an aqueous ethylene glycol solution. The atomic structure of as-prepared PtCu nanoparticles and nanoparticles subjected to thermal treatment at 350$^\circ$C was examined using Pt$L_3$ and Cu$K$ EXAFS spectra, transmission electron microscopy (TEM), and X-ray powder diffraction (XRD). The results of joint analysis of TEM microphotographs, XRD profiles, and EXAFS spectra suggest that the synthesized electrocatalysts contain PtCu nanoparticles with a Cu core–Pt shell structure and copper oxides Cu$_2$O and CuO. Thermal treatment of electrocatalysts at 350$^\circ$C results in partial reduction of copper oxides and fusion of bimetallic nanoparticles with the formation of both homogeneous and ordered PtCu solid solutions.
Received: 15.02.2017
English version:
Physics of the Solid State, 2017, Volume 59, Issue 8, Pages 1666–1673
DOI: https://doi.org/10.1134/S1063783417080200
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. V. Pryadchenko, S. V. Belenov, D. B. Shemet, V. A. Volochaev, V. V. Srabionyan, L. A. Avakyan, N. Yu. Tabachkova, V. E. Guterman, L. A. Bugaev, “The effect of thermal treatment on the atomic structure of core–shell PtCu nanoparticles in PtCu/C electrocatalysts”, Fizika Tverdogo Tela, 59:8 (2017), 1642–1649; Phys. Solid State, 59:8 (2017), 1666–1673
Citation in format AMSBIB
\Bibitem{PryBelShe17}
\by V.~V.~Pryadchenko, S.~V.~Belenov, D.~B.~Shemet, V.~A.~Volochaev, V.~V.~Srabionyan, L.~A.~Avakyan, N.~Yu.~Tabachkova, V.~E.~Guterman, L.~A.~Bugaev
\paper The effect of thermal treatment on the atomic structure of core--shell PtCu nanoparticles in PtCu/C electrocatalysts
\jour Fizika Tverdogo Tela
\yr 2017
\vol 59
\issue 8
\pages 1642--1649
\mathnet{http://mi.mathnet.ru/ftt9506}
\crossref{https://doi.org/10.21883/FTT.2017.08.44771.43}
\elib{https://elibrary.ru/item.asp?id=29938328}
\transl
\jour Phys. Solid State
\yr 2017
\vol 59
\issue 8
\pages 1666--1673
\crossref{https://doi.org/10.1134/S1063783417080200}
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    • This publication is cited in the following 12 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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