Electrochemical behavior of several iron complexes in hydrophobic room-temperature ionic liquids

Masaki Yamagata, Naoki Tachikawa, Yasushi Katayama, Takashi Miura

研究成果: Article査読

92 被引用数 (Scopus)

抄録

The electrochemical behavior of FeCp2+/FeCp2 (Cp-, cyclopentadienyl), FeCl4-/FeCl42-, FeBr4-/FeBr42- and Fe(CN)63-/Fe(CN)64- couples was studied in the hydrophobic room-temperature ionic liquids based on bis(trifluoromethylsulfonyl)imide (TFSI-) with 1-n-butyl-1-methylpyrrolidinium (BMP+) and other quaternary ammonium cations. The cyclic voltammetric data indicated that these complexes were stable in BMPTFSI and that the redox reactions between trivalent and divalent iron species of these complexes are electrochemically reversible. The diffusion coefficients of these complexes were found to be affected mainly by the size of the species. On the other hand, the redox potential of Fe(CN)63-/Fe(CN)64- couple depended on organic cations reflecting the difference in the acceptor properties of the organic cations.

本文言語English
ページ(範囲)3317-3322
ページ数6
ジャーナルElectrochimica Acta
52
9
DOI
出版ステータスPublished - 2007 2 15

ASJC Scopus subject areas

  • 化学工学(全般)
  • 電気化学

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