Electrochemical reaction of tris(1,10-phenanthroline)iron complexes in some amide-type ionic liquids

Y. Katayama, M. Yoshihara, T. Miura

研究成果: Conference contribution

2 被引用数 (Scopus)

抄録

Electrode reactions of tris(1,10-phenanthroline)iron complexes, [Fe(phen)3]3+/2+, were investigated in some amide-type ionic liquids. The diffusion coefficients of [Fe(phen)3]2+ and [Fe(phen)3]3+ were smaller than those of tris(2,2'-bipyridine)iron complexes, [Fe(bpy)3]2+ and [Fe(bpy)3]3+, in each ionic liquid, reflecting the phen complexes are larger than the bpy complexes. The ratio of diffusion coefficient of the trivalent species to the divalent one for [Fe(phen)3]3+/2+ was smaller than that for [Fe(bpy)3]3+/2+, indicating the coulombic interaction between the charged species and the ions composing the ionic liquid is dependent on the charge densities of complexes. The rate constants for [Fe(phen)3]3+/2+ were close to those for [Fe(bpy)3]3+/2+, suggesting the outer components of reorganization energies for both complexes are similar to each other. On the other hand, the reaction entropies for [Fe(phen)3]3+/2+ were smaller than those for [Fe(bpy)3]3+/2+, reflecting the difference in the charge densities of complexes.

本文言語English
ホスト出版物のタイトルMolten Salts and Ionic Liquids 19
編集者Hugh C. De Long, W. Matthew Reichert, Paul C. Trulove, Luke M. Haverhals, Minoru Mizuhata, Robert A. Mantz, Adriana Ispas, Andreas Bund
出版社Electrochemical Society Inc.
ページ109-117
ページ数9
4
ISBN(電子版)9781623321819
DOI
出版ステータスPublished - 2014 1 1
イベント19th International Symposium on Molten Salts and Ionic Liquids, MS and IL 2014, part of the Joint Meeting of the 226th ECS Meeting and 29th SMEQ Meeting - Cancun, Mexico
継続期間: 2014 10 52014 10 9

出版物シリーズ

名前ECS Transactions
番号4
64
ISSN(印刷版)1938-5862
ISSN(電子版)1938-6737

Other

Other19th International Symposium on Molten Salts and Ionic Liquids, MS and IL 2014, part of the Joint Meeting of the 226th ECS Meeting and 29th SMEQ Meeting
CountryMexico
CityCancun
Period14/10/514/10/9

ASJC Scopus subject areas

  • Engineering(all)

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