DOI: 10.1002/pssb.201600695. Thermal expansion coefficient of carbon‐supported Pt nanoparticles: <i>In‐situ</i> X‐ray diffraction study

Thermal expansion coefficient of carbon‐supported Pt nanoparticles: In‐situ X‐ray diffraction study

10.1002/pssb.201600695

Crossref journal-article

Wiley

physica status solidi (b) (311)

Abstract

The thermal expansion of carbon‐supported Pt nanoparticles with different particle size has been studied in‐situ via X‐ray diffraction at temperatures from 100 to 300 K. The thermal expansion coefficient (TEC) of investigated Pt/C nanoparticles is always superior to that of bulk Pt. When the grain size D decreases from 11 to 3 nm, the TEC nonlinearly increases by about 1.66 × 10−6 K−1 which corresponds to a variation of ∼20% from bulk Pt. The obtained experimental dependence of TEC for Pt/C nanoparticles has been interpreted using different theoretical approaches. A comparison of the considered models with the experimental data reveals the best agreement from the binding order–length–strength model with the size dependence of TEC experimentally found in carbon‐supported Pt nanoparticles.

Bibliography

Leontyev, I. N., Kulbakov, A. A., Allix, M., Rakhmatullin, A., Kuriganova, A. B., Maslova, O. A., & Smirnova, N. V. (2017). Thermal expansion coefficient of carbonâsupported Pt nanoparticles: Inâsitu Xâray diffraction study. Physica Status Solidi (b), 254(5). Portico.

Authors 7

I. N. Leontyev (first)
A. A. Kulbakov (additional)
M. Allix (additional)
A. Rakhmatullin (additional)
A. B. Kuriganova (additional)
O. A. Maslova (additional)
N. V. Smirnova (additional)

References 29 Referenced 15

Dates

Type	When
Created	8 years, 7 months ago (Jan. 4, 2017, 4:46 a.m.)
Deposited	1 year, 11 months ago (Sept. 15, 2023, 8:40 p.m.)
Indexed	3 weeks, 2 days ago (July 30, 2025, 6:07 a.m.)
Issued	8 years, 7 months ago (Jan. 4, 2017)
Published	8 years, 7 months ago (Jan. 4, 2017)
Published Online	8 years, 7 months ago (Jan. 4, 2017)
Published Print	8 years, 3 months ago (May 1, 2017)

Funders 1

Ministry of Education and Science of Russia
Awards1
1. 14.587.21.0029

BibTeX

@article{Leontyev_2017, title={Thermal expansion coefficient of carbon‐supported Pt nanoparticles: In‐situ X‐ray diffraction study}, volume={254}, ISSN={1521-3951}, url={http://dx.doi.org/10.1002/pssb.201600695}, DOI={10.1002/pssb.201600695}, number={5}, journal={physica status solidi (b)}, publisher={Wiley}, author={Leontyev, I. N. and Kulbakov, A. A. and Allix, M. and Rakhmatullin, A. and Kuriganova, A. B. and Maslova, O. A. and Smirnova, N. V.}, year={2017}, month=jan }

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