Studies of palladium electrodeposition from baths based on Pd(NH3)2X2 Part II: X=Br and X=NO2 |
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| Authors: | R Le Penven W Levason D Pletcher |
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| Affiliation: | (1) Department of Chemistry, The University, SO9 5NH Southampton, UK |
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| Abstract: | The chemistry and electrochemistry of electroplating baths based on Pd(NH3)2Br2 and Pd(NH3)2(NO2)2 has been investigated and compared with that previously reported for Pd(NH3)2Cl2. It is shown that electroactive species in all the baths is Pd(NH3)
4
2+
and, hence, the mechanisms and current efficiencies for the cathodic deposition of palladium metal are similar in all three media. On the other hand, only in bromide electrolytes is the palladium found to dissolve anodically. |
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