Electrodeposition of cadmium from lewis basic hydrophobic room-temperature ionic liquid

Shimul Saha, Naoki Tachikawa, Kazuki Yoshii, Nobuyuki Serizawa, Yasushi Katayama

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


Electrodeposition of cadmium (Cd) was investigated in a hydrophobic room-temperature ionic liquid, 1-butyl-1- methylpyrrolidinium bis(trifluoromethylsulfonyl)amide (BMPTFSA) using CdCl2 as the source of Cd species in the presence of excess chloride ion. Raman spectroscopy and potentiometric measurement suggested formation of a cadmium tetrachlocomplex, [CdCl4]2-, in BMPCl/BMPTFSA. Cyclic voltammetry showed the possibility of electrochemical reduction from [CdCl4]2- to Cd(0) with interesting unusual electrochemical behavior, probably derived from the potential-dependent electric double layer structure typical to the ionic liquid. Electrodeposition of Cd was performed by potentiostatic electrolysis and the deposits were characterized by X-ray diffraction, energy dispersive X-ray analysis and scanning electron microscopy.

Original languageEnglish
Pages (from-to)229-234
Number of pages6
Issue number5
Publication statusPublished - 2018


  • Cadmium
  • Electrodeposition
  • Ionic liquid
  • Raman spectroscopy

ASJC Scopus subject areas

  • Electrochemistry


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