Electrochemical Li-ion intercalation in octacyanotungstate-bridged coordination polymer with evidence of three magnetic regimes

Jérôme Long*, Daisuke Asakura, Masashi Okubo, Atsuo Yamada, Yannick Guari, Joulia Larionova

*この研究の対応する著者

研究成果: Article査読

17 被引用数 (Scopus)

抄録

Discovery of novel compounds capable of electrochemical ion intercalation is a primary step toward development of advanced electrochemical devices such as batteries. Although cyano-bridged coordination polymers including Prussian blue analogues have been intensively investigated as ion intercalation materials, the solid-state electrochemistry of the octacyanotungstate-bridged coordination polymer has not been investigated. Here, we demonstrate that an octacyanotungstate-bridged coordination polymer Tb(H2O)5[W(CN)8] operates as a Li+-ion intercalation electrode material. The detailed magnetic measurements reveal that the tunable amount of intercalated Li+ ion in the solid-state redox reaction between paramagnetic [WV(CN)8]3- and diamagnetic [WIV(CN)8]4- in the framework enables the electrochemical control of different magnetic regimes. While the initial ferromagnetic long-range ordering is irreversibly lost upon lithium insertion, electrochemical switching between paramagnetic and short-range ordering regimes can be achieved.

本文言語English
ページ(範囲)7637-7646
ページ数10
ジャーナルInorganic Chemistry
55
15
DOI
出版ステータスPublished - 2016 8 1
外部発表はい

ASJC Scopus subject areas

  • 物理化学および理論化学
  • 無機化学

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