Atomic structure of PtCu nanoparticles in PtCu/C catalysts from EXAFS spectroscopy data
V V Srabionyan
1
,
V V Pryadchenko
1
,
A A Kurzin
1
,
S V Belenov
1
,
L A Avakyan
1
,
V E Guterman
1
,
L A Bugaev
1
Тип публикации: Journal Article
Дата публикации: 2016-04-01
scimago Q4
wos Q3
БС2
SJR: 0.183
CiteScore: 1.4
Impact factor: 1.8
ISSN: 10637834, 10906460, 17267498
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Краткое описание
Deposited electrocatalysts with different distributions of components in PtCu bimetallic nanoparticles involved in their composition were synthesized by simultaneous and sequential reduction of Cu(2+) and Pt(IV) in a carbon suspension. The dependence of the atomic structure of PtCu nanoparticles on the synthesis conditions and the degree of influence of post-treatment was established from analysis of the changes in Fourier transforms of the experimental Pt and Cu EXAFS spectra, as well as the structural parameters obtained by their fitting before and after the treatment of the materials in an acid solution. A technique was proposed for visualizing the atomic structure of synthesized bimetallic nanoparticles. This technique made it possible to determine the character of the distribution of the components over the nanoparticle volume in accordance with the component composition and local atomic structure parameters determined from EXAFS spectroscopy and to obtain the visualization of the distribution of the components in PtCu nanoparticles synthesized by the aforementioned methods.
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Srabionyan V. V. et al. Atomic structure of PtCu nanoparticles in PtCu/C catalysts from EXAFS spectroscopy data // Physics of the Solid State. 2016. Vol. 58. No. 4. pp. 752-762.
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Srabionyan V. V., Pryadchenko V. V., Kurzin A. A., Belenov S. V., Avakyan L. A., Guterman V. E., Bugaev L. A. Atomic structure of PtCu nanoparticles in PtCu/C catalysts from EXAFS spectroscopy data // Physics of the Solid State. 2016. Vol. 58. No. 4. pp. 752-762.
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TY - JOUR
DO - 10.1134/S1063783416040247
UR - https://doi.org/10.1134/S1063783416040247
TI - Atomic structure of PtCu nanoparticles in PtCu/C catalysts from EXAFS spectroscopy data
T2 - Physics of the Solid State
AU - Srabionyan, V V
AU - Pryadchenko, V V
AU - Kurzin, A A
AU - Belenov, S V
AU - Avakyan, L A
AU - Guterman, V E
AU - Bugaev, L A
PY - 2016
DA - 2016/04/01
PB - Pleiades Publishing
SP - 752-762
IS - 4
VL - 58
SN - 1063-7834
SN - 1090-6460
SN - 1726-7498
ER -
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@article{2016_Srabionyan,
author = {V V Srabionyan and V V Pryadchenko and A A Kurzin and S V Belenov and L A Avakyan and V E Guterman and L A Bugaev},
title = {Atomic structure of PtCu nanoparticles in PtCu/C catalysts from EXAFS spectroscopy data},
journal = {Physics of the Solid State},
year = {2016},
volume = {58},
publisher = {Pleiades Publishing},
month = {apr},
url = {https://doi.org/10.1134/S1063783416040247},
number = {4},
pages = {752--762},
doi = {10.1134/S1063783416040247}
}
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MLA
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Srabionyan, V. V., et al. “Atomic structure of PtCu nanoparticles in PtCu/C catalysts from EXAFS spectroscopy data.” Physics of the Solid State, vol. 58, no. 4, Apr. 2016, pp. 752-762. https://doi.org/10.1134/S1063783416040247.