Výsledky vyhledávání - "Leteba, Gerard"

Report

In-Situ Single Particle Reconstruction Reveals 3D Evolution of PtNi Nanocatalysts During Heating

Autor: Wang, Yi-Chi, Slater, Thomas J A, Leteba, Gerard M., Lang, Candace I, Wang, Zhong Lin, Haigh, Sarah J

Tailoring nanoparticles composition and morphology is of particular interest for improving their performance for catalysis. A challenge of this approach is that the nanoparticles optimized initial structure often changes during use. Visualizing the t

Externí odkaz: http://arxiv.org/abs/2310.10253

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Report

Oleylamine aging of PtNi nanoparticles giving enhanced functionality for the oxygen reduction reaction

Autor: Leteba, Gerard M, Wang, Yi-Chi, Slater, Thomas J A, Cai, Rongsheng, Byrne, Conor, Race, Christopher P, Mitchell, David R G, Levecque, Pieter B J, Young, Neil P, Walton, Alex, Kirkland, Angus I, Haigh, Sarah J, Lang, Candace I

Publikováno v: NanoLetters 21 (2021) 3989

We report a rapid solution-phase strategy to synthesize alloyed PtNi nanoparticles which demonstrate outstanding functionality for the oxygen reduction reaction (ORR). This one-pot co-reduction colloidal synthesis results in a monodisperse population

Externí odkaz: http://arxiv.org/abs/2111.13593

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Akademický článek

Modulating CO hydrogenation activity through silane functionalization of cobalt catalysts

Autor: Macheli, Lebohang, Leteba, Gerard M., Doyle, Bryan P., Jewell, Linda, van Steen, Eric

Publikováno v: In Applied Catalysis A, General 25 September 2024 685

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Dissertation/ Thesis

Synthesis, characterization and catalytic investigations of Pt-based binary (bimetallic) and ternary (trimetallic) nanoparticles

Autor: Leteba, Gerard Malefane

This work tests the hypothesis that nanoparticles of 75 at.% platinum (Pt) composition and anisotropic morphology, will outperform standard catalysts in (PEMFC) hydrogen fuel cells. A survey of the scientific literature on this topic is first present

Externí odkaz: http://hdl.handle.net/11427/22816

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Akademický článek

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Dissertation/ Thesis

The synthesis of novel Pt-based nanoparticles

Autor: Leteba, Gerard

The ultimate goal of this project was to explore alternative and various synthetic routes for the design and fabrication of V@Pt core-shell and bimetallic nanoparticles.

Externí odkaz: http://hdl.handle.net/11427/11746

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