| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1489457 | Materials Research Bulletin | 2011 | 5 Pages |
Poly(acrylic acid) modified multi-walled carbon nanotubes (PAA-MWNTs) were synthesized through in situ radical polymerization in acetone and the PAA-MWNTs were used as supporting material for platinum nanoparticles. Platinum nanoparticles were deposited on the surface of PAA-MWNTs with high loading and high dispersion through ethylene glycol reduction. The size of Pt nanoparticles on PAA-MWNTs can be tuned by the water content in the reaction system and the loading amount can be adjusted by the mass ratio of H2PtCl6 to PAA-MWNTs. The electrocatalytic properties of the Pt/PAA-MWNTs catalyst were evaluated by methanol oxidation. The results of cyclic voltammetry show that the Pt/PAA-MWNTs composite possesses high electrocatalytic activity, good long-term stability and storage property, which can be attributed to the small particle size and high dispersion of Pt nanoparticles as well as the nature of MWNTs.
Graphical abstractPt/PAA-MWNTs composites with high loading and uniform dispersion of Pt nanoparticles were prepared using poly(acrylic acid) modified multi-walled carbon nanotubes (PAA-MWNTs) as the supporting material, which display high electrocatalytic activity and good long-term stability and storage properties for methanol oxidation.Figure optionsDownload full-size imageDownload as PowerPoint slideResearch highlights► We prepared poly(acrylic acid) modified MWNTs (PAA-MWNTs) through in situ radical polymerization. ► Pt nanoparticles were deposited on PAA-MWNTs with high loading and high dispersion. ► The size of Pt nanoparticles on PAA-MWNTs can be tuned by the water content in the reaction system. ► The prepared Pt/PAA-MWNTs exhibit good electrocatalytic performance on methanol oxidation.
