Preparation and electrocatalytic property of Au-Pt/SnO2/GC composite electrode |
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Authors: | YU Zhihui XIE Jia BAI Jie TIAN Mi XIA Dingguo |
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Abstract: | Au-Pt/SnO2/GC composite electrode was prepared by self-assembling Au-Pt nanoparticles on SnO2 film, which was deposited on actived glassy carbon (GC). Atomic force microscopy (AFM) and scanning electron microscopy (SEM) images revealed that dense and uniform Au-Pt particles with 25-nm diameter were dispersed on SnO2 film. X-ray photoelectron spectroscopy (XPS) results proved that there was an interaction between Au-Pt nanoparticles and SnO2 support. Electrochemical experiments showed that Au-Pt/SnO2/GC composite electrode had a good electrocatalytic activity to the oxidation of methanol. |
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Keywords: | electrochemistry composite electrode self-assembling Au-Pt SnO2 methanol oxidation |
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