Abstract
This work is focused on the use and study of the nanostructured platinum-copper catalysts deposited on the titanium surface by a two-step process which involves electroless copper deposition followed by a spontaneous Pt displacement from the hexachloro-complex solution as electrocatalysts for the oxidation of BH4 – ions in an alkaline medium. The morphology and composition of as-prepared catalysts were characterized using field-emission scanning electron microscopy and energy dispersive X-ray spectroscopy. The electrochemical behavior of the as-prepared nano-Pt(Cu)/Ti catalysts was examined by means of the cyclic voltammetry and chrono-techniques. The electrocatalytic activity of the catalysts towards the oxidation of BH4 – ions was compared with that of bare Pt and Cu/Ti electrodes.
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