Room-temperature ionic liquid for lanthanum electrodeposition |
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Institution: | 1. Laboratoire d’Electrochimie des Matériaux–UMR 7555, Université Paul Verlaine Metz, 1 bd Arago, 57078 Metz Cedex 3, France;2. Laboratoire de Chimie Moléculaire et Environnement-Polytech’Savoie-73376 Le Bourget du Lac Cedex, France |
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Abstract: | In this letter, we report for the first time lanthanum electrodeposition in ambient atmosphere using 1-octyl-1-methyl-pyrrolidinium bis(trifluoromethylsulfonyl)imide ionic liquid. This electrolyte exhibits an electrochemical window of 4.8 V with a strong cathodic stability and a low hygroscopic character that allows electrodeposition without the need of an inert atmosphere. A 350 nm thick lanthanum film was obtained after 2 h potentiostatic deposition. |
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