Electrochemical reaction of water-insoluble organic droplets in aqueous electrolytes using acoustic emulsification

Mahito Atobe, Shintaro Ikari, Koji Nakabayashi, Fumihiro Amemiya, Toshio Fuchigami

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Electrochemical oxidation of water-insoluble amines (n-octylamine and n-decylamine) was successfully accomplished in aqueous electrolytes using acoustic emulsification. Acoustically prepared emulsions of fumaric acid diethyl ester in aqueous electrolytes can be also electro-reduced very smoothly. Ultrasonication to the water-insoluble organic substrate/aqueous electrolyte mixtures allowed a formation of very stable emulsions having the characteristic of giving narrow monomer droplet size distributions in the submicrometer range in aqueous electrolytes without added surfactants, and the smooth electrochemical reaction in the emulsions took place via direct electron transfer between the electrode and the water-insoluble organic droplets. In this kind of electron-transfer system, supporting electrolyte should be dissolved not only in the aqueous phase but also in the organic droplets and should contribute to the formation of an electric bilayer inside the droplets.

Original languageEnglish
Pages (from-to)9111-9115
Number of pages5
JournalLangmuir
Volume26
Issue number11
DOIs
Publication statusPublished - Jun 1 2010
Externally publishedYes

Fingerprint

Emulsification
Electrolytes
Acoustics
electrolytes
Emulsions
acoustics
Water
emulsions
water
electron transfer
electrochemical oxidation
Electrons
Electrochemical oxidation
Surface-Active Agents
Amines
esters
Esters
amines
Surface active agents
monomers

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

Cite this

Electrochemical reaction of water-insoluble organic droplets in aqueous electrolytes using acoustic emulsification. / Atobe, Mahito; Ikari, Shintaro; Nakabayashi, Koji; Amemiya, Fumihiro; Fuchigami, Toshio.

In: Langmuir, Vol. 26, No. 11, 01.06.2010, p. 9111-9115.

Research output: Contribution to journalArticle

Atobe, Mahito ; Ikari, Shintaro ; Nakabayashi, Koji ; Amemiya, Fumihiro ; Fuchigami, Toshio. / Electrochemical reaction of water-insoluble organic droplets in aqueous electrolytes using acoustic emulsification. In: Langmuir. 2010 ; Vol. 26, No. 11. pp. 9111-9115.
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