Issue 5, 2018
From the journal:

Materials Chemistry Frontiers

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

Mariko Noguchi, ORCID logo *a   Motohiro Nakano, ORCID logo *a   Soonchul Kang, ORCID logo b   Osamu Satoc  and  Shu Seki ORCID logo d  

* Corresponding authors

a Research Center for Structural Thermodynamics, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
E-mail: noguchim15@chem.sci.osaka-u.ac.jp, moto@chem.sci.osaka-u.ac.jp

b Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University, Higashihiroshima, Hiroshima 739-8527, Japan
E-mail: kang@hiroshima-u.ac.jp

c Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
E-mail: sato@cm.kyushu-u.ac.jp

d Department of Molecular Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
E-mail: seki@moleng.kyoto-u.ac.jp

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 FeIII/FeII ratio in the PB film, resulting in a remarkable enhancement of magnetization accompanied by quasi-reversible electrochromism.

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

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Article information

DOI
https://doi.org/10.1039/C7QM00615B
Article type
Research Article
Submitted
27 Dec 2017
Accepted
04 Mar 2018
First published
05 Mar 2018

Mater. Chem. Front., 2018,2, 1004-1008

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

M. Noguchi, M. Nakano, S. Kang, O. Sato and S. Seki, Mater. Chem. Front., 2018, 2, 1004 DOI: 10.1039/C7QM00615B

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