期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 128, 期 1-2, 页码 141-150出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2011.02.049
关键词
Room temperature ionic liquid; Electrodeposition; Surface morphology; Platinum metals; Metals; Electrochemical techniques; Electron microscopy; Energy dispersive analysis of X-rays; Surfaces
Electrodeposition is a promising technique for the recovery of platinum group metals with unique surface morphologies. The electrodeposition of palladium, ruthenium and rhodium from aqueous nitric acid, and non-aqueous 1-butyl-3-methylimidazolium chloride ionic liquid medium was studied at stainless steel electrode. The surface morphology and elemental composition of the resultant deposit were probed by scanning electron microscopy (SEM) and energy dispersive X-ray (EDS) analysis. Deposits with diverse surface morphologies and metal compositions were obtained by varying the composition of the electrolytic medium and applied potential. The results demonstrate the possibility of tailoring the morphologies of PGMs by controlling the composition and potential needed for electrodeposition. (C) 2011 Elsevier B.V. All rights reserved.
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