Room-temperature ionic liquid for lanthanum electrodeposition

Sophie Legeai (1) , Sébastien Diliberto (1) , Nicolas Stein (1) , Clotilde Boulanger (1) , Julien Estager (2) , Nicolas Papaiconomou (2) , M. Draye (2)

1 IJL - Institut Jean Lamour
2 LCME - Laboratoire de Chimie Moléculaire et Environnement

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.

Mots clés: Ionic liquid; Electrodeposition; Lanthanum

Domaines: Chimie

Sophie Legeai, Sébastien Diliberto, Nicolas Stein, Clotilde Boulanger, Julien Estager, et al.. Room-temperature ionic liquid for lanthanum electrodeposition. Electrochemistry Communications, 2008, 10 (11), pp.1661 - 1664. ⟨10.1016/j.elecom.2008.08.005⟩. ⟨hal-01494537⟩