Ferrocene redox in trihexyl(tetradecyl)phosphonium bis-2,4,4-(trimethylpentyl) phosphinate (Cyphos IL-104)/ethanol at glassy carbon and platinum working electrodes

Dmytro Kozak*, Mrutyunjay Panigrahi, Mariusz Grzegorz Grabda, Etsuro Shibata, Takashi Nakamura

*この研究の対応する著者

研究成果: Article査読

4 被引用数 (Scopus)

抄録

The redox of ferrocen couple (Fc+/Fc) in the 1 M Cyphos IL-104/ethanol electrolyte system was studied via cyclic voltammetry under both inert and air atmospheres at room temperature. The anodic and cathodic peak potentials for Fc+/Fc were obtained at scan rates of 0.02, 0.1, and 0.2 V/s. The half-potential of Fc+/Fc versus a silver quasi-reference electrode (QAg) changed from 0.80969 to 0.84945 V and from 0.79872 to 0.8627 V at the glassy-carbon (GC)- and platinum (Pt)- working electrodes (WE), respectively, demonstrating that it depended on the presence of water from 0.1 to 0.3 wt.% in the 1 M Cyphos IL-104/ethanol electrolyte system. The half-potential of Fc+/Fc versus quasi-platinum (QPt) was not changed for both working electrodes and for the same solutions; the differences between the half-potentials of Fc+/Fc versus QPt were 0.0022 and 0.00416 V at the GC- and Pt-WEs, respectively.

本文言語English
ページ(範囲)41-47
ページ数7
ジャーナルElectrochimica Acta
163
DOI
出版ステータスPublished - 2015 5 1
外部発表はい

ASJC Scopus subject areas

  • 電気化学
  • 化学工学(全般)

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