Výsledky vyhledávání - "Yann Leconte"

Akademický článek

Synthesis and On-line Size Control of Silicon Quantum Dots

Autor: Olivier Sublemontier, Harold Kintz, Frédéric Lacour, Xavier Paquez, Vincent Maurice, Yann Leconte, Dominique Porterat, Nathalie Herlin-Boime, Cécile Reynaud

Publikováno v: KONA Powder and Particle Journal, Vol 29, Iss 0, Pp 236-250 (2014)

The synthesis of silicon quantum dots is performed in the [3–5 nm] range using CO2 laser pyrolysis of SiH4. This size range is particularly relevant for potential applications in photovoltaic devices and biomedical imaging. The laser pyrolysis tech

Externí odkaz: https://doaj.org/article/1cb7bda2fc1e47dfa4a0e8aca3487e01

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Akademický článek

Highly Active, High Specific Surface Area Fe/C/N ORR Electrocatalyst from Liquid Precursors by Combination of CO2 Laser Pyrolysis and Single NH3 Thermal Post-Treatment

Autor: Henri Perez, Virginie Jorda, Jackie Vigneron, Mathieu Frégnaux, Arnaud Etcheberry, Axelle Quinsac, Yann Leconte, Olivier Sublemontier

Publikováno v: C, Vol 5, Iss 2, p 26 (2019)

This paper reports original results on the synthesis and characterization of Fe/C/N ORR electrocatalysts obtained by a combination of CO2 laser pyrolysis and thermal post-treatment. The precursor liquid media, consisting in a 14 g·L−1 iron III ace

Externí odkaz: https://doaj.org/article/7004c5a608d64f8286edd8ac92067596

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Akademický článek

Synthesis and Characterization of Carbon/Nitrogen/Iron Based Nanoparticles by Laser Pyrolysis as Non-Noble Metal Electrocatalysts for Oxygen Reduction

Autor: Henri Perez, Virginie Jorda, Pierre Bonville, Jackie Vigneron, Mathieu Frégnaux, Arnaud Etcheberry, Axelle Quinsac, Aurélie Habert, Yann Leconte

Publikováno v: C, Vol 4, Iss 3, p 43 (2018)

This paper reports original results on the synthesis of Carbon/Nitrogen/Iron-based Oxygen Reduction Reaction (ORR) electrocatalysts by CO2 laser pyrolysis. Precursors consisted of two different liquid mixtures containing FeOOH nanoparticles or iron I

Externí odkaz: https://doaj.org/article/1244be18bb1c49b0b77ecf59b5de7142

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2.1 Synthesis of Nanoobjects

Autor: Henri Perez, Olivier Sublemontier, Yann Leconte, Magali Gauthier

Publikováno v: Ametis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a16b2200a7e82a87d9c1268e2ce9739d
https://doi.org/10.1051/978-2-7598-2588-2.c009

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Formation of ZrC–SiC Composites from the Molecular Scale through the Synthesis of Multielement Polymers

Autor: Romain Lucas, Yves Champavier, Sylvie Foucaud, Yann Leconte, Cristina Coelho Diogo, Florence Babonneau, Fabien Bouzat

Publikováno v: Materials, Vol 14, Iss 3901, p 3901 (2021)
Materials
Materials, MDPI, 2021, 14 (14), pp.3901. ⟨10.3390/ma14143901⟩
Volume 14
Issue 14
Materials, 2021, 14 (14), pp.3901. ⟨10.3390/ma14143901⟩

In the field of non-oxide ceramic composites, and by using the polymer-derived ceramic route, understanding the relationship between the thermal behaviour of the preceramic polymers and their structure, leading to the mechanisms involved, is crucial.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec83711cbd425f9a15af44e6f3386718
https://www.mdpi.com/1996-1944/14/14/3901

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Ultrasonic Sprayed Aerosol for Ultrafine Ceramic Powder Synthesis

Autor: Sylvie Foucaud, Yann Leconte

Publikováno v: Encyclopedia of Materials: Technical Ceramics and Glasses
Encyclopedia of Materials: Technical Ceramics and Glasses, Elsevier, pp.69-82, 2021, ⟨10.1016/B978-0-12-803581-8.12079-X⟩

International audience

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::377955036a486429d4600ec44f39ddd1
https://hal-unilim.archives-ouvertes.fr/hal-03281256

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Surface damage on polycrystalline β-SiC by xenon ion irradiation at high fluence

Autor: C. Bernard, N. Millard-Pinard, S. Gavarini, S. Cardinal, L. Escobar Sawa, Yann Leconte, B. Lanfant, Vincent Garnier, X. Jaurand, J. Baillet, C. Peaucelle, R. Rapegno, T. De Echave, A. Duranti

Publikováno v: Journal of Nuclear Materials
Journal of Nuclear Materials, 2018, 503, pp.140-150. ⟨10.1016/j.jnucmat.2018.01.026⟩
Journal of Nuclear Materials, Elsevier, 2018, 503, pp.140-150. ⟨10.1016/j.jnucmat.2018.01.026⟩

International audience; Nano-grained $\beta$-silicon carbide ($\beta$-SiC) pellets were prepared by Spark Plasma Sintering (SPS). These were implanted at room temperature with 800 keV xenon at ion fluences of 5.10$^{15}$ and 1.10$^{17}$ cm$^{-2}$. Mi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff525621a232b0392084807cb354c5d2
https://doi.org/10.1016/j.jnucmat.2018.01.026

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Effects of helium irradiation on fine grained β-SiC synthesized by spark plasma sintering

Autor: B. Lanfant, C. Peaucelle, S. Gavarini, S. Cardinal, Vincent Garnier, X. Jaurand, C. Bernard, Charline Dalverny, Yann Leconte, N. Millard-Pinard, R. Rapegno, J. Baillet

Publikováno v: Journal of the European Ceramic Society
Journal of the European Ceramic Society, Elsevier, 2019, 40, pp.1-11. ⟨10.1016/j.jeurceramsoc.2019.09.018⟩
Journal of the European Ceramic Society, 2020, 40, pp.1-11. ⟨10.1016/j.jeurceramsoc.2019.09.018⟩
Journal of the European Ceramic Society, Elsevier, 2020, 40, pp.1-11. ⟨10.1016/j.jeurceramsoc.2019.09.018⟩

International audience; Silicon carbide has a high resistance to irradiation making it a material of choice for use in the nuclear reactors. In this work, we focus on experiments involving implantation of 30 keV 3He ions at room temperature (RT) in s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fdd9c48515a6190e5e8493d2d731333f
https://hal-cea.archives-ouvertes.fr/cea-02293252

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Highly Active, High Specific Surface Area Fe/C/N ORR Electrocatalyst from Liquid Precursors by Combination of CO$_2$ Laser Pyrolysis and Single NH$_3$ Thermal Post-Treatment

Autor: Yann Leconte, Jackie Vigneron, Axelle Quinsac, Virginie Jorda, Arnaud Etcheberry, Henri Perez, Mathieu Fregnaux, Olivier Sublemontier

Publikováno v: Journal of Carbon Research
Journal of Carbon Research, MDPI, 2019, 5 (2), pp.26. ⟨10.3390/c5020026⟩
Volume 5
Issue 2
C, Vol 5, Iss 2, p 26 (2019)
Journal of Carbon Research, 2019, 5 (2), pp.26. ⟨10.3390/c5020026⟩

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50e583f6a62cce934168f105bec7503e
https://hal-cea.archives-ouvertes.fr/cea-02128486/file/carbon-05-00026.pdf

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Mechanical, thermal and electrical properties of nanostructured CNTs/SiC composites

Autor: Yves Jorand, N. Debski, A. Habert, Frédéric Bernard, S. Le Gallet, Gilbert Fantozzi, B. Lanfant, M. Mayne-L′Hermite, Guillaume Bonnefont, M. Pinault, Yann Leconte, Vincent Garnier

Publikováno v: Ceramics International
Ceramics International, Elsevier, 2018, 45 (2), pp.2566-2575. ⟨10.1016/j.ceramint.2018.10.187⟩
Ceramics International, 2018, 45 (2), pp.2566-2575. ⟨10.1016/j.ceramint.2018.10.187⟩

International audience; Dense SiC-based nanostructured composites reinforced by well-distributed carbon nanotubes (CNTs) were elaborated for the first time by spark plasma sintering (SPS) without sintering additive. Microstructures of materials conta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6c6439a33abd040280d40aa7e134e13
https://hal-cea.archives-ouvertes.fr/cea-02295165

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