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Platinum nanocatalysts supported on surface-oxidized single-walled carbon nanotubes (Pt/o-SWNT) were prepared by the aqueous solution reduction of H 2 PtCl 6 with HCHO. The nanocatalysts contain 10 wt% Pt (by EDS) on o-SWNTs. TEM images show that the Pt particle size is in the range of 5–10 nm. X-ray diffraction (XRD) analysis indicates the presence of platinum in the fcc phase and...
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