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Constructing Symmetry-Mismatched RuxFe3–xO4Heterointerface-Supported Ru Clusters for Efficient Hydrogen Evolution and Oxidation Reactions
- Source :
- Nano Letters; January 2024, Vol. 24 Issue: 3 p1015-1023, 9p
- Publication Year :
- 2024
-
Abstract
- Ru-related catalysts have shown excellent performance for the hydrogen evolution reaction (HER) and hydrogen oxidation reaction (HOR); however, a deep understanding of Ru-active sites on a nanoscale heterogeneous support for hydrogen catalysis is still lacking. Herein, a click chemistry strategy is proposed to design Ru cluster-decorated nanometer RuxFe3–xO4heterointerfaces (Ru/RuxFe3–xO4) as highly effective bifunctional hydrogen catalysts. It is found that introducing Ru into nanometric Fe3O4species breaks the symmetry configuration and optimizes the active site in Ru/RuxFe3–xO4for HER and HOR. As expected, the catalyst displays prominent alkaline HER and HOR performance with mass activity much higher than that of commercial Pt/C as well as robust stability during catalysis because of the strong interaction between the Ru cluster and the RuxFe3–xO4support, and the optimized adsorption intermediate (Hadand OHad). This work sheds light on a promsing approach to improving the electrocatalysis performance of catalysts by the breaking of atomic dimension symmetry.
Details
- Language :
- English
- ISSN :
- 15306984 and 15306992
- Volume :
- 24
- Issue :
- 3
- Database :
- Supplemental Index
- Journal :
- Nano Letters
- Publication Type :
- Periodical
- Accession number :
- ejs65167221
- Full Text :
- https://doi.org/10.1021/acs.nanolett.3c04690