Electrodeposition of selenium in a hydrophobic room-temperature ionic liquid

Shimul Saha, Naoki Tachikawa, Kazuki Yoshii, Yasushi Katayama

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Electrodeposition of selenium (Se) in an amide type hydrophobic room temperature ionic liquid, 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)amide (BMPTFSA) containing SeCl4 as a Se source in the presence of excess chloride on a glassy carbon electrode was studied at 25 and 50°C. Raman spectroscopy showed SeCl4 in BMPTFSA with excess chloride forms an octahedral chlorocomplex of [SeCl6]2-. The reduction of [SeCl6]2- to Se and that of Se to Se(-II) were observed by cyclic voltammetry. Electrodeposits obtained by potentiostatic electrolysis were confirmed to be metallic Se by energy dispersive X-ray, X-ray diffraction, Raman spectroscopy and X-ray photoelectron spectroscopy.

Original languageEnglish
Pages (from-to)D259-D264
JournalJournal of the Electrochemical Society
Volume163
Issue number6
DOIs
Publication statusPublished - 2016

Fingerprint

Ionic Liquids
Selenium
selenium
Ionic liquids
Electrodeposition
electrodeposition
room temperature
liquids
Amides
amides
Temperature
Raman spectroscopy
Chlorides
chlorides
x rays
glassy carbon
Glassy carbon
electrolysis
Electrolysis
Cyclic voltammetry

ASJC Scopus subject areas

  • Electrochemistry
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Renewable Energy, Sustainability and the Environment
  • Condensed Matter Physics

Cite this

Electrodeposition of selenium in a hydrophobic room-temperature ionic liquid. / Saha, Shimul; Tachikawa, Naoki; Yoshii, Kazuki; Katayama, Yasushi.

In: Journal of the Electrochemical Society, Vol. 163, No. 6, 2016, p. D259-D264.

Research output: Contribution to journalArticle

Saha, Shimul ; Tachikawa, Naoki ; Yoshii, Kazuki ; Katayama, Yasushi. / Electrodeposition of selenium in a hydrophobic room-temperature ionic liquid. In: Journal of the Electrochemical Society. 2016 ; Vol. 163, No. 6. pp. D259-D264.
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