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| Hauptseite > Publikationsdatenbank > Size dependent oxygen reduction and methanol oxidation reactions: catalytic activities of PtCu octahedral nanocrystals > print |
| Hauptseite > Publikationsdatenbank > Size dependent oxygen reduction and methanol oxidation reactions: catalytic activities of PtCu octahedral nanocrystals > print |
| 001 | 890165 | ||
| 005 | 20240712113249.0 | ||
| 024 | 7 | _ | |a 10.1039/D0CY00772B |2 doi |
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| 100 | 1 | _ | |a Polani, Shlomi |0 0000-0001-5961-0661 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Size dependent oxygen reduction and methanol oxidation reactions: catalytic activities of PtCu octahedral nanocrystals |
| 260 | _ | _ | |a London |c 2020 |b RSC Publ. |
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| 520 | _ | _ | |a The synthetic control through colloidal synthesis led to a remarkable increase in platinum mass activity in octahedral nanocrystals with a Pt-rich surface. In this manuscript, we demonstrate that the ratio of surfactant can tune the size of Pt surface enriched PtCu nano-octahedra from 8 to 18 nm with homogeneous size and shape on the carbon support. For the nano-octahedra, the Pt-rich surface has been determined by high-angle annular dark field scanning transmission electron microscopy and energy-dispersive X-ray spectroscopy. The Pt-rich surface exhibits an increasing compressive strain with increasing surface of the {111} facets. With increasing surface, the PtCu nano-octahedra display higher oxygen reduction reaction (ORR) activity, which however leads to higher onset over-potentials in the methanol oxidation reaction (MOR) and CO-stripping. This observed trend for a series of size-selected nano-octahedra demonstrates the benefits of controlling the strained {111} Pt surface for the ORR and MOR activity. |
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| 700 | 1 | _ | |a Zitoun, David |0 0000-0003-3383-6165 |b 7 |
| 773 | _ | _ | |a 10.1039/D0CY00772B |g Vol. 10, no. 16, p. 5501 - 5512 |0 PERI:(DE-600)2595090-3 |n 16 |p 5501 - 5512 |t Catalysis science & technology |v 10 |y 2020 |x 2044-4761 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/890165/files/d0cy00772b.pdf |y Restricted |
| 856 | 4 | _ | |y Published on 2020-07-13. Available in OpenAccess from 2021-07-13. |u https://juser.fz-juelich.de/record/890165/files/Polani_Shlomi_180912_Pt_Cu_manuscript.pdf |
| 856 | 4 | _ | |y Published on 2020-07-13. Available in OpenAccess from 2021-07-13. |u https://juser.fz-juelich.de/record/890165/files/Polani_Shlomi_180912_Pt_Cu_manuscript_SI.pdf |
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