Preparation of Pt–[email protected] Catalysts by γ-Irradiation and Chemical Reduction and Their Adsorption Capacity for CO
With the objective to prepare electrocatalysts with high efficiency, the Pt–[email protected] catalysts were prepared by different approaches. First, the polypyrrole (PPy) as anchoring materials was coated on the surface of multi walled carbon nanotubes (MWNT) by in situ polymerization. Subsequently, Pt–Ru nanoparticles were deposited onto PPy-MWNT composite by different methods like the reduction of metal ions by γ-irradiation and chemical reduction using formaldehyde as reducing agent assisted with stirring of magnetic bar, and assisted with microwave irradiation, and assisted with ultrasonic irradiation, in order to prepare electrocatalyst for fuel cell. The catalytic efficiency of Pt–[email protected] catalyst was examined for CO stripping.
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Document Type: Research Article
Publication date: October 1, 2010
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