Platinum deposition from hydrogen-ion beam irradiated solid precursor
By Jovanović, Z.; Pašti, I.; Kalijadis, A.; Laušević, M.; Mentus, S. & Laušević, Z.
Published in Materials Letters
NULL
2011
Abstract
We report a particular method of Pt/glassy carbon (GC) surface formation, based on a 15 keV H+/- ion beam irradiation of thin H2PtCl6 X nH2O layer placed over the GC surface. Hydrogen-ion beam irradiation provided an excellent adherence of Pt deposit, unlike to any other Pt-deposition method. Furthermore, the morphology and electrochemical activity of GC/Pt catalyst obtained at the fluence of 5 X 1017 cm- 2 was found to be sensitive to the sign of charge of hydrogen ions. The electrochemical activity of such obtained Pt/GC surface toward oxygen reduction and ethanol oxidation was compared with the activity of the Pt deposits obtained by other more common reduction procedures.
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