Ultrasonic assisted polyol synthesis of highly dispersed Pt/MWCNT electrocatalyst for methanol oxidation |
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| Authors: | Zhi-Cai Wang Dan-Dan Zhao Guang-Yu Zhao Hu-Lin Li |
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| Institution: | (1) College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, People’s Republic of China;(2) College of Material Science & Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China |
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| Abstract: | A novel chemical method based on ultrasonic assisted polyol synthesis for the fabrication of highly dispersed Pt nanoparticles
on multi-walled carbon nanotubes (MWCNTs) was developed. The simple and green method took only about 10 min at ambient temperature.
The structure and chemical nature of the resulting Pt/MWCNT composites were characterized by transmission electron microscopy
(TEM), X-ray diffraction (XRD), and energy dispersive X-ray spectrometry (EDS). The results showed that the prepared Pt nanoparticles
were uniformly dispersed on the MWCNT surface. The mean size of Pt nanoparticles was about 2.8 nm. Electrochemical properties
of Pt/MWCNT electrode for methanol oxidation were examined by cyclic voltammetry (CV) and excellent electrocatalytic activities
could be observed. The possible formation mechanism of Pt/MWCNTs was also discussed. |
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| Keywords: | Ultrasonic Polyol synthesis Multi-walled carbon nanotubes Electrocatalysts |
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