Paramagnetism enhancement by in situ electrochemical hole doping into a Prussian Blue thin film

Mariko Noguchi; Motohiro Nakano; Soonchul Kang; Osamu Sato; Shu Seki

doi:10.1039/c7qm00615b

Paramagnetism enhancement by in situ electrochemical hole doping into a Prussian Blue thin film

Mariko Noguchi, Motohiro Nakano, Soonchul Kang, Osamu Sato, Shu Seki

Department of Fundamental Organic Chemistry

Research output: Contribution to journal › Article

Abstract

A Prussian Blue (PB) film formed on an indium tin oxide substrate was incorporated in an electrolysis cell with an ionic-liquid midlayer (N,N-diethyl-N-methyl-N-(2-methoxyethyl)ammonium bis(trifluoromethanesulfonyl)imide) as an electrolyte. The ionic-liquid electrolysis cell mounted on a SQUID magnetometer was examined under DC bias voltage up to 4.0 V by injecting the charge carriers electrochemically into the PB film. Electrochemical hole doping increased the Fe ^III /Fe ^II ratio in the PB film, resulting in a remarkable enhancement of magnetization accompanied by quasi-reversible electrochromism.

Original language	English
Pages (from-to)	1004-1008
Number of pages	5
Journal	Materials Chemistry Frontiers
Volume	2
Issue number	5
DOIs	https://doi.org/10.1039/c7qm00615b
Publication status	Published - Jan 1 2018

All Science Journal Classification (ASJC) codes

Materials Science(all)
Materials Chemistry

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10.1039/c7qm00615b

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Noguchi, M., Nakano, M., Kang, S., Sato, O., & Seki, S. (2018). Paramagnetism enhancement by in situ electrochemical hole doping into a Prussian Blue thin film. Materials Chemistry Frontiers, 2(5), 1004-1008. https://doi.org/10.1039/c7qm00615b

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abstract = " A Prussian Blue (PB) film formed on an indium tin oxide substrate was incorporated in an electrolysis cell with an ionic-liquid midlayer (N,N-diethyl-N-methyl-N-(2-methoxyethyl)ammonium bis(trifluoromethanesulfonyl)imide) as an electrolyte. The ionic-liquid electrolysis cell mounted on a SQUID magnetometer was examined under DC bias voltage up to 4.0 V by injecting the charge carriers electrochemically into the PB film. Electrochemical hole doping increased the Fe III /Fe II ratio in the PB film, resulting in a remarkable enhancement of magnetization accompanied by quasi-reversible electrochromism. ",

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AU - Seki, Shu

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AB - A Prussian Blue (PB) film formed on an indium tin oxide substrate was incorporated in an electrolysis cell with an ionic-liquid midlayer (N,N-diethyl-N-methyl-N-(2-methoxyethyl)ammonium bis(trifluoromethanesulfonyl)imide) as an electrolyte. The ionic-liquid electrolysis cell mounted on a SQUID magnetometer was examined under DC bias voltage up to 4.0 V by injecting the charge carriers electrochemically into the PB film. Electrochemical hole doping increased the Fe III /Fe II ratio in the PB film, resulting in a remarkable enhancement of magnetization accompanied by quasi-reversible electrochromism.

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