Atomic Structure of Bimetallic Nanoparticles in PtAg/C Catalysts: Determination of Components Distribution in the Range from Disordered Alloys to “Core–Shell” Structures
V. V. Srabionyan
1
,
Elena B Mikheykina
1
,
Leon A. Avakyan
1
,
Vadim Murzin
2
,
Ivo Zizak
3
,
V. E. Guterman
1
,
Lusegen A. Bugaev
1
Тип публикации: Journal Article
Дата публикации: 2015-01-30
scimago Q1
wos Q3
БС1
SJR: 0.914
CiteScore: 6.2
Impact factor: 3.2
ISSN: 19327447, 19327455
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
General Energy
Краткое описание
Nanocatalysts PtAg/C with different distributions of components in bimetallic PtAg nanoparticles were synthesized by the methods of simultaneous and sequential reduction of Ag+ and Pt(IV) in carbon suspension, prepared on the basis of ethylene glycol–water solvent. The characterization of atomic structure of as prepared PtAg nanoparticles and PtAg nanoparticles obtained after acid treatment at 90 °C was performed by Pt L3-edge extended X-ray absorption fine structure (EXAFS) using the technique for determining local structure parameters of the absorbing Pt atoms, which have the nearest surrounding consisting of Pt and Ag atoms. This technique enabled stable and unambiguous values of parameters for the local structure of Pt atoms in PtAg nanoparticles to be obtained under severe correlations between some of these parameters. The effects of averaging over the sizes and compositions of PtAg nanoparticles on the obtained values of structural parameters were studied by the method of cluster simulations. Analys...
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Pryadchenko V. V. et al. Atomic Structure of Bimetallic Nanoparticles in PtAg/C Catalysts: Determination of Components Distribution in the Range from Disordered Alloys to “Core–Shell” Structures // Journal of Physical Chemistry C. 2015. Vol. 119. No. 6. pp. 3217-3227.
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Pryadchenko V. V., Srabionyan V. V., Mikheykina E. B., Avakyan L. A., Murzin V., Zubavichus Y. V., Zizak I., Guterman V. E., Bugaev L. A. Atomic Structure of Bimetallic Nanoparticles in PtAg/C Catalysts: Determination of Components Distribution in the Range from Disordered Alloys to “Core–Shell” Structures // Journal of Physical Chemistry C. 2015. Vol. 119. No. 6. pp. 3217-3227.
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TY - JOUR
DO - 10.1021/jp512248y
UR - https://doi.org/10.1021/jp512248y
TI - Atomic Structure of Bimetallic Nanoparticles in PtAg/C Catalysts: Determination of Components Distribution in the Range from Disordered Alloys to “Core–Shell” Structures
T2 - Journal of Physical Chemistry C
AU - Pryadchenko, Vasiliy V
AU - Srabionyan, V. V.
AU - Mikheykina, Elena B
AU - Avakyan, Leon A.
AU - Murzin, Vadim
AU - Zubavichus, Yan V.
AU - Zizak, Ivo
AU - Guterman, V. E.
AU - Bugaev, Lusegen A.
PY - 2015
DA - 2015/01/30
PB - American Chemical Society (ACS)
SP - 3217-3227
IS - 6
VL - 119
SN - 1932-7447
SN - 1932-7455
ER -
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@article{2015_Pryadchenko,
author = {Vasiliy V Pryadchenko and V. V. Srabionyan and Elena B Mikheykina and Leon A. Avakyan and Vadim Murzin and Yan V. Zubavichus and Ivo Zizak and V. E. Guterman and Lusegen A. Bugaev},
title = {Atomic Structure of Bimetallic Nanoparticles in PtAg/C Catalysts: Determination of Components Distribution in the Range from Disordered Alloys to “Core–Shell” Structures},
journal = {Journal of Physical Chemistry C},
year = {2015},
volume = {119},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021/jp512248y},
number = {6},
pages = {3217--3227},
doi = {10.1021/jp512248y}
}
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MLA
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Pryadchenko, Vasiliy V., et al. “Atomic Structure of Bimetallic Nanoparticles in PtAg/C Catalysts: Determination of Components Distribution in the Range from Disordered Alloys to “Core–Shell” Structures.” Journal of Physical Chemistry C, vol. 119, no. 6, Jan. 2015, pp. 3217-3227. https://doi.org/10.1021/jp512248y.