Effect of the chemical nature and concentration of palladium (II) precursors on the palladium deposition by atomic hydrogen electrochemically assisted
By Camacho, Luis F. D′Elia; Moncada, J.; Calderón, J.; Puentes, Z. & Saavedra, K.
Published in International Journal of Hydrogen Energy
NULL
2011
Abstract
Pd deposits are obtained by applying -1.92 mA cm-2 during 180 min, employing 0.06 M PdCl2 + 1 M HCl and 0.06 M PdCl2 + 28% NH3 solutions. Some features on Pd depositions using x M PdCl2 + 1 M HCl (x = 0.130, 0.060, 0.030, 0.025, 0.020 and 0.010) solutions are detailed. Based on roughness factor (S) and deposition efficiency (ɛPd) values, Pd deposition is more efficient using PdCl2 + 1 M HCl than PdCl2 + 28% NH3 (ɛPd = 99%, S = 6 in 1 M HCl vs. ɛPd = 17%, S = 3 in 28% NH3). A highly rough Pd deposit (S = 357) is obtained, by applying -1.92 mA cm-2 during 180 min, using a 0.020 M PdCl2 + 1 M HCl solution.
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