Electrochemical co-deposition of gallium and antimonide from the 1-butyl-1-methylpyrrolidinium dicyanamide room temperature ionic liquid

Yi Ting Hsieh, Yi Chen Liu, Nai Chang Lo, Wei Jan Lin, I-Wen Sun

Research output: Contribution to journalArticle

Abstract

Low temperature electrodeposition of Ga-Sb film is investigated from the 1-butyl-1-methylpyrrolidinium dicyanamide room temperature ionic liquid containing anhydrous GaCl3 and SbCl3. Voltammetry shows that the redox potential of Ga(III)/Ga is more negative than that of the Sb(III)/Sb. While the deposited Sb can be easily anodized, the deposited Ga is difficult to oxidize. Electrodeposition of Ga-Sb films are attempted at various potentials and temperatures in solutions containing different Ga(III)/Sb(III) concentration ratios. To obtain GaSb film with a Ga:Sb ratio of 1:1 the electrolyte must contains a Ga(III) concentration higher than that of Sb(III). Scanning electron microscopy, energy dispersive X-ray analysis and X-ray photoelectron spectroscopy are used to characterize the morphologies, composition and the chemical bonding of the deposited GaSb films.

LanguageEnglish
Pages48-54
Number of pages7
JournalJournal of Electroanalytical Chemistry
Volume832
DOIs
Publication statusPublished - 2019 Jan 1

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Chlorine Compounds
Ionic Liquids
Gallium
Energy dispersive X ray analysis
Redox reactions
Chemical bonds
Chlorine compounds
Ionic liquids
X ray diffraction analysis
Electrolytes
X ray photoelectron spectroscopy
Semiconductor materials
Scanning electron microscopy
Electrodes
Chemical analysis
Electrodeposition
Temperature
Voltammetry
1-butyl-1-methylpyrrolidinium dicyanamide
III-V semiconductors

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Chemical Engineering(all)
  • Electrochemistry

Cite this

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title = "Electrochemical co-deposition of gallium and antimonide from the 1-butyl-1-methylpyrrolidinium dicyanamide room temperature ionic liquid",
abstract = "Low temperature electrodeposition of Ga-Sb film is investigated from the 1-butyl-1-methylpyrrolidinium dicyanamide room temperature ionic liquid containing anhydrous GaCl3 and SbCl3. Voltammetry shows that the redox potential of Ga(III)/Ga is more negative than that of the Sb(III)/Sb. While the deposited Sb can be easily anodized, the deposited Ga is difficult to oxidize. Electrodeposition of Ga-Sb films are attempted at various potentials and temperatures in solutions containing different Ga(III)/Sb(III) concentration ratios. To obtain GaSb film with a Ga:Sb ratio of 1:1 the electrolyte must contains a Ga(III) concentration higher than that of Sb(III). Scanning electron microscopy, energy dispersive X-ray analysis and X-ray photoelectron spectroscopy are used to characterize the morphologies, composition and the chemical bonding of the deposited GaSb films.",
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Electrochemical co-deposition of gallium and antimonide from the 1-butyl-1-methylpyrrolidinium dicyanamide room temperature ionic liquid. / Hsieh, Yi Ting; Liu, Yi Chen; Lo, Nai Chang; Lin, Wei Jan; Sun, I-Wen.

In: Journal of Electroanalytical Chemistry, Vol. 832, 01.01.2019, p. 48-54.

Research output: Contribution to journalArticle

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T1 - Electrochemical co-deposition of gallium and antimonide from the 1-butyl-1-methylpyrrolidinium dicyanamide room temperature ionic liquid

AU - Hsieh, Yi Ting

AU - Liu, Yi Chen

AU - Lo, Nai Chang

AU - Lin, Wei Jan

AU - Sun, I-Wen

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AB - Low temperature electrodeposition of Ga-Sb film is investigated from the 1-butyl-1-methylpyrrolidinium dicyanamide room temperature ionic liquid containing anhydrous GaCl3 and SbCl3. Voltammetry shows that the redox potential of Ga(III)/Ga is more negative than that of the Sb(III)/Sb. While the deposited Sb can be easily anodized, the deposited Ga is difficult to oxidize. Electrodeposition of Ga-Sb films are attempted at various potentials and temperatures in solutions containing different Ga(III)/Sb(III) concentration ratios. To obtain GaSb film with a Ga:Sb ratio of 1:1 the electrolyte must contains a Ga(III) concentration higher than that of Sb(III). Scanning electron microscopy, energy dispersive X-ray analysis and X-ray photoelectron spectroscopy are used to characterize the morphologies, composition and the chemical bonding of the deposited GaSb films.

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