Abstract
Carbon-onion-supported platinum nanoparticles were synthesized using a simplified arc-discharge-in-solution method. Pt nanoparticles with diameters of 5nm were found to form during reduction of chloroplatinic acid and were simultaneously supported on carbon onions formed in the arc discharge process. X-ray powder diffraction, scanning and transmission electron microscopy, and X-ray photoelectron spectroscopy were used to study the structural and morphological properties of the samples. The formation mechanism of the Pt/carbon onion hybrids was briefly discussed.
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