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Bimetallic alloy Pt/Ag nanoparticles with enhanced catalytic activity for formic acid oxidation

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Abstract

Here, we report the synthesis of Pt/Ag bimetallic alloy catalyst through combining the ion implantation and electrodeposition method. Ag nanoparticles are employed as the seeds for the growth of Pt nanoparticles. Pt/Ag alloy catalyst demonstrates much higher catalytic activity than pure Pt catalyst, which is about three times more active on the basis of equivalent Pt electrochemically active surface area than that of the pure Pt catalyst. The ion implantation of Ag efficiently enhances the catalytic activity of Pt catalyst for formic acid oxidation.

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Acknowledgments

The authors owe special thanks to the support and sponsor of the National Natural Science Foundation of China (No.20873012) and the Key Lab of Radiation Beam Technology and Material Modification of National Ministry of Education, China.

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Authors and Affiliations

  1. College of Chemistry, Beijing Normal University, Beijing, 100875, China

    Chunmei Guo & Jingbo Hu

  2. Key Laboratory of Beam Technology and Material Modification of Ministry of Education, Beijing Normal University, Beijing, 100875, China

    Jingbo Hu

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  1. Chunmei Guo
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  2. Jingbo Hu
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Correspondence to Jingbo Hu.

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Guo, C., Hu, J. Bimetallic alloy Pt/Ag nanoparticles with enhanced catalytic activity for formic acid oxidation. Appl. Phys. A 117, 809–813 (2014). https://doi.org/10.1007/s00339-014-8441-0

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  • DOI: https://doi.org/10.1007/s00339-014-8441-0

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