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| 001 | 1006572 | ||
| 005 | 20240403082805.0 | ||
| 024 | 7 | _ | |a 10.1002/nano.202200240 |2 doi |
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| 037 | _ | _ | |a FZJ-2023-01720 |
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| 082 | _ | _ | |a 500 |
| 100 | 1 | _ | |a Göhl, Daniel |0 P:(DE-HGF)0 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Core‐passivation: A concept for stable core‐shell nanoparticles in aqueous electrocatalysis |
| 260 | _ | _ | |a Weinheim, Germany |c 2023 |b Wiley-VCH |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a The stability of nanoparticles is a major challenge in thermal and electrocatalysis. This is especially true for core-shell nanoparticles where only a few monolayers of noble metal protect the usually non-noble core material. In this work, we utilize the practical nobility concept to engineer stable core-shell nanoparticles with a self-passivating core material. Specifically, tantalum carbide as core material in combination with a 1–3 monolayer thick platinum shell exhibits exceptional stability in aqueous media. The core-shell catalyst shows no sign of structural changes after 10,000 degradation cycles up to 1.0 VRHE. Due to the efficient passivation of tantalum carbide at the solid/liquid interface, the dissolution reduces by a factor of eight compared to bare Pt. Our findings confirm that passivating core materials are highly beneficial for the stabilization of core-shell nanomaterials in aqueous media. They open up new ways for the rational design of cost-efficient but stable non-noble core – platinum shell nanoparticles where harsh, oxidizing conditions are employed |
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| 700 | 1 | _ | |a Paciok, Paul |0 P:(DE-Juel1)151296 |b 1 |e Corresponding author |
| 700 | 1 | _ | |a Wang, Zhenshu |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Kang, Jin Soo |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Heggen, Marc |0 P:(DE-Juel1)130695 |b 4 |
| 700 | 1 | _ | |a Mayrhofer, Karl |0 P:(DE-Juel1)168125 |b 5 |
| 700 | 1 | _ | |a Román-Leshkov, Yuriy |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Ledendecker, Marc |0 P:(DE-Juel1)196889 |b 7 |e Corresponding author |
| 773 | _ | _ | |a 10.1002/nano.202200240 |g p. nano.202200240 |0 PERI:(DE-600)3042763-0 |n 4 |p 271-277 |t Nano select |v 4 |y 2023 |x 2688-4011 |
| 856 | 4 | _ | |y OpenAccess |u https://juser.fz-juelich.de/record/1006572/files/Core%E2%80%90passivation.pdf |
| 856 | 4 | _ | |y OpenAccess |u https://juser.fz-juelich.de/record/1006572/files/Nano%20Select%20-%202023%20-%20G%20hl%20-%20Core%E2%80%90passivation%20A%20concept%20for%20stable%20core%E2%80%90shell%20nanoparticles%20in%20aqueous%20electrocatalysis.pdf |
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