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Rapid synthesis of Pt-based alloy/carbon nanotube catalysts for a direct methanol fuel cell using flash light irradiation
- Issue Date
- Sep-2012
- Publisher
- Elsevier
- Keywords
- Flash light irradiation; Carbon nanotubes; Methanol; Direct methanol fuel cells; Nanoparticle-alloys
- Citation
- International Journal of Hydrogen Energy, v.37, no.17, pp 12597 - 12604
- Pages
- 8
- Indexed
- SCIE
SCOPUS
- Journal Title
- International Journal of Hydrogen Energy
- Volume
- 37
- Number
- 17
- Start Page
- 12597
- End Page
- 12604
- ISSN
- 0360-3199
1879-3487
- Abstract
- We synthesized Pt, Pt-Ru alloy and Pt-Ru-Mo alloy nanoparticles on the multi-walled carbon nanotubes (MWCNTs) using flash light irradiation and characterized these catalysts. Pt-100, Pt-50-Ru-50 alloy and Pt-43-Ru-43-Mo-14 alloy are coated onto MV/CNTs followed by flash light irradiation to facilitate the formation of nanoparticle-alloys. The fabricated pure Pt and Pt-based alloy nanoparticle/MWCNTs were characterized by X-ray diffraction (XRD), raman spectroscopy and scanning electron microscopy (SEM). Cyclic voltammetry (CV) studies and electrochemical impedance spectroscopy (EIS) results revealed that the Pt-43-Ru-43-Mo-14/MWCNT catalyst has higher activity and stability with regard to methanol electro-oxidation than the Pt-100/MWCNT and Pt-50-Ru-50/MWCNT catalysts.
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Related Researcher
- UM, Suk kee
- COLLEGE OF ENGINEERING (SCHOOL OF MECHANICAL ENGINEERING)