Catalytic Activity of Carbon-Supported Pt Nanoelectrocatalysts. Why Reducing the Size of Pt Nanoparticles is Not Always Beneficial
I. N. Leontyev
1, 2
,
Sergey Belenov
3
,
V. E. Guterman
3
,
P Haghi Ashtiani
4
,
A P Shaganov
5
,
B. Dkhil
1
5
Polytechnical University, Radiophysical Science and Engineering Faculty, 29 Polytechnicheskaya st, St.Petersburg, 195251, Russia
|
Publication type: Journal Article
Publication date: 2011-03-04
scimago Q1
wos Q3
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
Abstract
Carbon-supported Pt catalysts prepared by the impregnation method in water−dimethyl sulfoxide (DMSO) solutions were investigated. Using X-ray diffraction (XRD) technique for estimation of the particle size and shapes, we show that morphology of the Pt/C catalysts depends strongly on the DMSO content in the solutions. The average particles size reduces and a shape of the Pt nanocrystals changes from a truncated octahedron to a cuboctahedron and eventually to a truncated cube with increasing DMSO concentration in the reaction mixture. Antibate effects of the size and shape cause nonmonotonic dependence of the catalytic activity for the oxygen reduction reaction (ORR) with electric current maximum at an average particle size of 2.7 nm.
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Leontyev I. N. et al. Catalytic Activity of Carbon-Supported Pt Nanoelectrocatalysts. Why Reducing the Size of Pt Nanoparticles is Not Always Beneficial // Journal of Physical Chemistry C. 2011. Vol. 115. No. 13. pp. 5429-5434.
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Leontyev I. N., Belenov S., Guterman V. E., Haghi Ashtiani P., Shaganov A. P., Dkhil B. Catalytic Activity of Carbon-Supported Pt Nanoelectrocatalysts. Why Reducing the Size of Pt Nanoparticles is Not Always Beneficial // Journal of Physical Chemistry C. 2011. Vol. 115. No. 13. pp. 5429-5434.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1021/jp1109477
UR - https://doi.org/10.1021/jp1109477
TI - Catalytic Activity of Carbon-Supported Pt Nanoelectrocatalysts. Why Reducing the Size of Pt Nanoparticles is Not Always Beneficial
T2 - Journal of Physical Chemistry C
AU - Leontyev, I. N.
AU - Belenov, Sergey
AU - Guterman, V. E.
AU - Haghi Ashtiani, P
AU - Shaganov, A P
AU - Dkhil, B.
PY - 2011
DA - 2011/03/04
PB - American Chemical Society (ACS)
SP - 5429-5434
IS - 13
VL - 115
SN - 1932-7447
SN - 1932-7455
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2011_Leontyev,
author = {I. N. Leontyev and Sergey Belenov and V. E. Guterman and P Haghi Ashtiani and A P Shaganov and B. Dkhil},
title = {Catalytic Activity of Carbon-Supported Pt Nanoelectrocatalysts. Why Reducing the Size of Pt Nanoparticles is Not Always Beneficial},
journal = {Journal of Physical Chemistry C},
year = {2011},
volume = {115},
publisher = {American Chemical Society (ACS)},
month = {mar},
url = {https://doi.org/10.1021/jp1109477},
number = {13},
pages = {5429--5434},
doi = {10.1021/jp1109477}
}
Cite this
MLA
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Leontyev, I. N., et al. “Catalytic Activity of Carbon-Supported Pt Nanoelectrocatalysts. Why Reducing the Size of Pt Nanoparticles is Not Always Beneficial.” Journal of Physical Chemistry C, vol. 115, no. 13, Mar. 2011, pp. 5429-5434. https://doi.org/10.1021/jp1109477.