Silver nanoclusters doped with rhodium hydride, manufacturing method thereof, and electrochemical catalyst for hydrogen gas generation
AssigneeIndustry-Academic Cooperation Foundation, Yonsei University
InventorsDongil Lee, Hanseok Yi, Sang Myeong Han
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Abstract
The present invention relates to silver nanoclusters doped with rhodium hydride, a method of producing the same, and an electrochemical catalyst for hydrogen gas generation. The silver nanoclusters doped with rhodium hydride of the present invention have utility as an electrochemical catalyst, have a significantly low production cost compared to a platinum (Pt) catalyst according to the related art, and exhibit an effect of generating hydrogen gas equal to or greater than that of the Pt catalyst.
Claims15
Silver nanoclusters doped with rhodium hydride, wherein the silver nanoclusters doped with rhodium hydride satisfy the following Chemical Formula 1:
- [RhHXAg24(SR)18]2− [Chemical Formula 1]
- where x is an integer of 1 to 3 according to an oxidation value of Rh;
- and
- SR is an organic thiol-based ligand.
A method of producing silver nanoclusters doped with rhodium hydride, the method comprising the steps of:
- step a) preparing a reaction solution by reacting a silver precursor with an organic thiol-based ligand;
- and
- step b) producing nanoclusters satisfying the following Chemical Formula 1 by adding a rhodium hydride precursor and a reducing agent to the reaction solution:
- [RhHXAg24(SR)18]2− [Chemical Formula 1]
- where x is an integer of 1 to 3 according to an oxidation value of Rh;
- and
- SR is an organic thiol-based ligand.
Dependencies are inferred from the claim text.