Electrochemical behavior of tris (2,2'-bipyridine) cobalt complex in some ionic liquids

Yasushi Katayama; S. Nakayama; N. Tachikawa; K. Yoshii

doi:10.1149/07515.0497ecst

Electrochemical behavior of tris (2,2'-bipyridine) cobalt complex in some ionic liquids

Yasushi Katayama, S. Nakayama, N. Tachikawa, K. Yoshii

Department of Applied Chemistry

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

The electrode reaction of tris(2,2'-bipyridine)cobalt complex, [Co(bpy)₃]^3+/2+, has been investigated in 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)amide (BMPTFSA) and 1-ethyl-3-methylimidazolium tetrafluoroborate (EMIBF4). Diffusion of [Co(bpy)₃]²⁺ and [Co(bpy)₃]³⁺ was affected by the viscosity and the charge densities of the complex and the anion of ionic liquid. The large change of the electron configurations of [Co(bpy)₃]²⁺ and [Co(bpy)₃]³⁺ is considered to cause the slow charge transfer and large reaction entropy change.

Original language	English
Title of host publication	Molten Salts and Ionic Liquids 20
Publisher	Electrochemical Society Inc.
Pages	497-505
Number of pages	9
Volume	75
Edition	15
ISBN (Electronic)	9781607685395
DOIs	https://doi.org/10.1149/07515.0497ecst
Publication status	Published - 2016
Event	Symposium on Molten Salts and Ionic Liquids 20 - PRiME 2016/230th ECS Meeting - Honolulu, United States Duration: 2016 Oct 2 → 2016 Oct 7

Other

Other	Symposium on Molten Salts and Ionic Liquids 20 - PRiME 2016/230th ECS Meeting
Country	United States
City	Honolulu
Period	16/10/2 → 16/10/7

ASJC Scopus subject areas

Engineering(all)

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Katayama, Y., Nakayama, S., Tachikawa, N., & Yoshii, K. (2016). Electrochemical behavior of tris (2,2'-bipyridine) cobalt complex in some ionic liquids. In Molten Salts and Ionic Liquids 20 (15 ed., Vol. 75, pp. 497-505). Electrochemical Society Inc.. https://doi.org/10.1149/07515.0497ecst

Katayama, Y, Nakayama, S, Tachikawa, N & Yoshii, K 2016, Electrochemical behavior of tris (2,2'-bipyridine) cobalt complex in some ionic liquids. in Molten Salts and Ionic Liquids 20. 15 edn, vol. 75, Electrochemical Society Inc., pp. 497-505, Symposium on Molten Salts and Ionic Liquids 20 - PRiME 2016/230th ECS Meeting, Honolulu, United States, 16/10/2. https://doi.org/10.1149/07515.0497ecst

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title = "Electrochemical behavior of tris (2,2'-bipyridine) cobalt complex in some ionic liquids",

abstract = "The electrode reaction of tris(2,2'-bipyridine)cobalt complex, [Co(bpy)3]3+/2+, has been investigated in 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)amide (BMPTFSA) and 1-ethyl-3-methylimidazolium tetrafluoroborate (EMIBF4). Diffusion of [Co(bpy)3]2+ and [Co(bpy)3]3+ was affected by the viscosity and the charge densities of the complex and the anion of ionic liquid. The large change of the electron configurations of [Co(bpy)3]2+ and [Co(bpy)3]3+ is considered to cause the slow charge transfer and large reaction entropy change.",

author = "Yasushi Katayama and S. Nakayama and N. Tachikawa and K. Yoshii",

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doi = "10.1149/07515.0497ecst",

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pages = "497--505",

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publisher = "Electrochemical Society Inc.",

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AU - Katayama, Yasushi

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AU - Tachikawa, N.

AU - Yoshii, K.

PY - 2016

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N2 - The electrode reaction of tris(2,2'-bipyridine)cobalt complex, [Co(bpy)3]3+/2+, has been investigated in 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)amide (BMPTFSA) and 1-ethyl-3-methylimidazolium tetrafluoroborate (EMIBF4). Diffusion of [Co(bpy)3]2+ and [Co(bpy)3]3+ was affected by the viscosity and the charge densities of the complex and the anion of ionic liquid. The large change of the electron configurations of [Co(bpy)3]2+ and [Co(bpy)3]3+ is considered to cause the slow charge transfer and large reaction entropy change.

AB - The electrode reaction of tris(2,2'-bipyridine)cobalt complex, [Co(bpy)3]3+/2+, has been investigated in 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)amide (BMPTFSA) and 1-ethyl-3-methylimidazolium tetrafluoroborate (EMIBF4). Diffusion of [Co(bpy)3]2+ and [Co(bpy)3]3+ was affected by the viscosity and the charge densities of the complex and the anion of ionic liquid. The large change of the electron configurations of [Co(bpy)3]2+ and [Co(bpy)3]3+ is considered to cause the slow charge transfer and large reaction entropy change.

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