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

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

Research output: Contribution to journalArticlepeer-review

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 languageEnglish
Pages (from-to)1004-1008
Number of pages5
JournalMaterials Chemistry Frontiers
Volume2
Issue number5
DOIs
Publication statusPublished - 2018

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Materials Chemistry

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