Preparation of Pt–Ru@Polypyrrole-MWNT Catalysts by -Irradiation and Chemical Reduction and Their Adsorption Capacity for CO

Authors: Bae, Hyoung-Bong; Oh, Sang-Hyub; Woo, Jin-Chun; Choi, Seong-Ho

Source: Journal of Nanoscience and Nanotechnology, Volume 10, Number 10, October 2010 , pp. 6901-6906(6)

Publisher: American Scientific Publishers

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With the objective to prepare electrocatalysts with high efficiency, the Pt–Ru@PPy-MWNT 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 -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–Ru@PPy-MWNT catalyst was examined for CO stripping.


Document Type: Research Article


Publication date: October 1, 2010

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