Electrochemistry of Sn(II)/Sn in a hydrophobic room-temperature ionic liquid

Naoki Tachikawa, Nobuyuki Serizawa, Yasushi Katayama, Takashi Miura

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

The electrochemical reaction of Sn(II)/Sn was investigated in a room-temperature ionic liquid, 1-n-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide (BMPTFSI) at 25 °C. The anodic dissolution of Sn metal proceeded by a two-electron transfer reaction with a current efficiency of nearly 100%. Electrodeposition of Sn on a Cu substrate is possible in BMPTFSI containing Sn(II). The formal potential of the Sn(II)/Sn is -0.57 V vs. Ag/Ag(I). The diffusion coefficient of Sn(II) was estimated to be ∼ × 10-7 cm2 s-1 from chronoamperometric and chronopotentiometric techniques. The initial stage of nucleation of Sn on a polycrystalline Pt substrate was found to be classified into a three-dimensional progressive nucleation under diffusion control by chronoamperometry, suggesting the rate of nucleation is faster than that of crystal growth.

Original languageEnglish
Pages (from-to)6530-6534
Number of pages5
JournalElectrochimica Acta
Volume53
Issue number22
DOIs
Publication statusPublished - 2008 Sep 20

Fingerprint

Ionic Liquids
Electrochemistry
Ionic liquids
Imides
Nucleation
Chronoamperometry
Substrates
Crystallization
Crystal growth
Electrodeposition
Temperature
Dissolution
Metals
Electrons

Keywords

  • Diffusion coefficient
  • Electrodeposition
  • Ionic liquid
  • Tin

ASJC Scopus subject areas

  • Electrochemistry
  • Chemical Engineering(all)

Cite this

Electrochemistry of Sn(II)/Sn in a hydrophobic room-temperature ionic liquid. / Tachikawa, Naoki; Serizawa, Nobuyuki; Katayama, Yasushi; Miura, Takashi.

In: Electrochimica Acta, Vol. 53, No. 22, 20.09.2008, p. 6530-6534.

Research output: Contribution to journalArticle

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N2 - The electrochemical reaction of Sn(II)/Sn was investigated in a room-temperature ionic liquid, 1-n-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide (BMPTFSI) at 25 °C. The anodic dissolution of Sn metal proceeded by a two-electron transfer reaction with a current efficiency of nearly 100%. Electrodeposition of Sn on a Cu substrate is possible in BMPTFSI containing Sn(II). The formal potential of the Sn(II)/Sn is -0.57 V vs. Ag/Ag(I). The diffusion coefficient of Sn(II) was estimated to be ∼ × 10-7 cm2 s-1 from chronoamperometric and chronopotentiometric techniques. The initial stage of nucleation of Sn on a polycrystalline Pt substrate was found to be classified into a three-dimensional progressive nucleation under diffusion control by chronoamperometry, suggesting the rate of nucleation is faster than that of crystal growth.

AB - The electrochemical reaction of Sn(II)/Sn was investigated in a room-temperature ionic liquid, 1-n-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide (BMPTFSI) at 25 °C. The anodic dissolution of Sn metal proceeded by a two-electron transfer reaction with a current efficiency of nearly 100%. Electrodeposition of Sn on a Cu substrate is possible in BMPTFSI containing Sn(II). The formal potential of the Sn(II)/Sn is -0.57 V vs. Ag/Ag(I). The diffusion coefficient of Sn(II) was estimated to be ∼ × 10-7 cm2 s-1 from chronoamperometric and chronopotentiometric techniques. The initial stage of nucleation of Sn on a polycrystalline Pt substrate was found to be classified into a three-dimensional progressive nucleation under diffusion control by chronoamperometry, suggesting the rate of nucleation is faster than that of crystal growth.

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