Dicyanamide anion based ionic liquids for electrodeposition of metals

Ming Jay Deng, Po Yu Chen, Tin Iao Leong, I. Wen Sun*, Jeng-Kuei Chang, Wen Ta Tsai

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

140 Scopus citations

Abstract

Electrodeposition of Al, Mn, Ni, Zn, Sn, and Cu are successfully demonstrnated in the ionic liquids (ILs) composed of 1-methyl-3-alkylimidazolium or N-methyl-N-alkylpyrrolidinium cations with dicyanamide (DCA) anions. The DCA-based room-temperature ILs exhibit lower viscosities than those ILs based on BF4-, PF6-, and bis(trifluoromethylsulfonyl)imide (TFSI) anions. While most of the metal chlorides are insoluble in the BF4-, PF6-, and TFSI-based ILs, they exhibit good solubility in DCA-based ILs due to the strong complexing ability of DCA toward the transition metal ions. It is possible to alter the regular reduction sequence for particular metal ions in the DCA-based ILs.

Original languageEnglish
Pages (from-to)213-216
Number of pages4
JournalElectrochemistry Communications
Volume10
Issue number2
DOIs
StatePublished - 1 Feb 2008

Keywords

  • Dicyanamide
  • Electrodeposition
  • Ionic liquid
  • Low viscosity

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