Structural Control Enables Catalytic and Electrocatalytic Activity of Porous Tetrametallic Nanorods
Abstract: Integrating more than one type of metal into a nanoparticle that has a well‐defined morphology and composition expands the functionalities of nanocatalysts. For a metal core/porous multimetallic shell nanoparticle, the availability of catalytically active surface sites and molecular mass transport can be enhanced, and the multielemental synergy can facilitate intraparticle charge transport. In this work, a reliable and robust synthesis of such a functional tetrametallic nanoparticle type is presented, where a micro‐ and mesoporous PdPtIr shell is grown on Au nanorods. The effect of critical synthesis parameters, namely temperature and the addition of HCl are investigated on the hydrodynamic size of the micellar pore template as well as on the stability of the metal chloride complexes and various elemental analysis techniques prove composition of the porous multimetallic shell. Due to the synergistic properties, the tetrametallic nanorods possess extensive negative surface charge making them a promising catalyst in reduction reactions. Dye degradation as well as the conversion of p‐nitrophenol to p‐aminophenol is catalyzed by the supportless nanorods without light illumination. By depositing the particles onto conductive substrates, the nanostructured electrodes show promising electrocatalytic activity in ethanol oxidation reaction. The nanocatalyst presents excellent morphological stability during all the catalytic test reactions.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Structural Control Enables Catalytic and Electrocatalytic Activity of Porous Tetrametallic Nanorods ; day:03 ; month:03 ; year:2024 ; extent:12
Small ; (03.03.2024) (gesamt 12)
- Creator
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Zámbó, Dániel
Kovács, Dávid
Radnóczi, GyörgyZ.
Horváth, Zsolt E.
Sulyok, Attila
Tolnai, István
Deák, András
- DOI
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10.1002/smll.202400421
- URN
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urn:nbn:de:101:1-2024030414021827445835
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 11:02 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Zámbó, Dániel
- Kovács, Dávid
- Radnóczi, GyörgyZ.
- Horváth, Zsolt E.
- Sulyok, Attila
- Tolnai, István
- Deák, András
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