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IJC-A Vol.51A(04) [April 2012] >


Title: Facile synthesis of SnO2-Pt/carbon nanotubes nanocatalyst with high electrocatalytic performance for methanol oxidation
Authors: Zhang, Yunsong
Zhang, Li
Liu, Weiguo
Zhao, Maojun
Chen, Hui
Keywords: Carbon Nanotubes
Nanocatalysts
Electrooxidation
Methanol
Tin Dioxide
Platinum
Issue Date: Apr-2012
Publisher: NISCAIR-CSIR, India
Abstract: A green, low-cost and facile strategy for synthesis of SnO2-Pt/carbon nanotubes nanocomposites with SnO2-around-Pt structure by in situ spontaneous reduction of PtCl62- with Sn2+ on the CNT surface is reported. The morphology and structure of the prepared SnO2-Pt/CNTs nanocatalyst are characterized by scanning electron microscopy, transmission electron microscopy and X-ray diffraction. In addition, energy dispersive X-ray spectroscopy and inductively coupled plasma-atom emission spectroscopy results prove the presence of Pt and SnO2 nanoparticles on CNTs surface with the molar ratio of Pt:SnO2 in SnO2-Pt/CNTs as 0.48. In comparison with the commercial Pt/C, SnO2-Pt/CNTs nanocatalyst exhibits higher electrocatalytic mass activity and better long-term cycle stability for methanol oxidation.
Page(s): 549-553
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-0975(Online); 0376-4710(Print)
Source:IJC-A Vol.51A(04) [April 2012]

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