Abstract
In this work, the synthesis and catalytic activity measurements of a nanostructured material formed by palladium (Pd) nanocubes supported on multiwalled carbon nanotubes (MWCNTs) for removing methyl orange as a model of organic contaminant from aqueous solution are presented. The nanocubes were synthesized by a reduction process of H2PdCl4 and a non-covalent method that involves a surfactant functionalization of the carbon nanotubes was used to produce the nanostructured material. Characterization was performed by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and UV–vis. Results showed well dispersed Pd nanocubes, in the range of 15–25nm, bonded onto the carbon nanotubes. The catalytic experiments exhibited 81.9% methyl orange removal after 8min and 99% after 60min using 1mg of the nanostructured material per every 20mg/L of the dye.
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