Charge-Transfer Phase Transition of a Cyanide-Bridged FeII/FeIII Coordination Polymer

Kuirun Zhang; Soonchul Kang; Zi Shuo Yao; Kazusa Nakamura; Takashi Yamamoto; Yasuaki Einaga; Nobuaki Azuma; Yuji Miyazaki; Motohiro Nakano; Shinji Kanegawa; Osamu Sato

doi:10.1002/anie.201601526

Charge-Transfer Phase Transition of a Cyanide-Bridged Fe^II/Fe^III Coordination Polymer

Kuirun Zhang
, Soonchul Kang
, Zi Shuo Yao
, Kazusa Nakamura
, Takashi Yamamoto
, Yasuaki Einaga
, Nobuaki Azuma
, Yuji Miyazaki
, Motohiro Nakano
, Shinji Kanegawa
, Osamu Sato

Kyushu University
Keio University
The University of Osaka

科研成果: 期刊稿件 › 文章 › 同行评审

63 引用（Scopus）

摘要

Heterometallic Prussian blue analogues are known to exhibit thermally induced charge transfer, resulting in switching of optical and magnetic properties. However, charge-transfer phase transitions have not been reported for the simplest FeFe cyanide-bridged systems. A mixed-valence Fe^II/Fe^III cyanide-bridged coordination polymer, {[Fe(Tp)(CN)₃]₂Fe(bpe)5 H₂O}_n, which demonstrates a thermally induced charge-transfer phase transition, is described. As a result of the charge transfer during this phase transition, the high-spin state of the whole system does not change to a low-spin state. This result is in contrast to FeCo cyanide-bridged systems that exhibit charge-transfer-induced spin transitions.

源语言	英语
页（从-至）	6047-6050
页数	4
期刊	Angewandte Chemie - International Edition
卷	55
期	20
DOI	https://doi.org/10.1002/anie.201601526
出版状态	已出版 - 10 5月 2016
已对外发布	是

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10.1002/anie.201601526

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title = "Charge-Transfer Phase Transition of a Cyanide-Bridged FeII/FeIII Coordination Polymer",

abstract = "Heterometallic Prussian blue analogues are known to exhibit thermally induced charge transfer, resulting in switching of optical and magnetic properties. However, charge-transfer phase transitions have not been reported for the simplest FeFe cyanide-bridged systems. A mixed-valence FeII/FeIII cyanide-bridged coordination polymer, \{[Fe(Tp)(CN)3]2Fe(bpe)5 H2O\}n, which demonstrates a thermally induced charge-transfer phase transition, is described. As a result of the charge transfer during this phase transition, the high-spin state of the whole system does not change to a low-spin state. This result is in contrast to FeCo cyanide-bridged systems that exhibit charge-transfer-induced spin transitions.",

keywords = "charge transfer, cyanide complexes, iron, mixed-valence, phase transitions",

author = "Kuirun Zhang and Soonchul Kang and Yao, \{Zi Shuo\} and Kazusa Nakamura and Takashi Yamamoto and Yasuaki Einaga and Nobuaki Azuma and Yuji Miyazaki and Motohiro Nakano and Shinji Kanegawa and Osamu Sato",

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year = "2016",

month = may,

day = "10",

doi = "10.1002/anie.201601526",

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T1 - Charge-Transfer Phase Transition of a Cyanide-Bridged FeII/FeIII Coordination Polymer

AU - Zhang, Kuirun

AU - Kang, Soonchul

AU - Yao, Zi Shuo

AU - Nakamura, Kazusa

AU - Yamamoto, Takashi

AU - Einaga, Yasuaki

AU - Azuma, Nobuaki

AU - Miyazaki, Yuji

AU - Nakano, Motohiro

AU - Kanegawa, Shinji

AU - Sato, Osamu

PY - 2016/5/10

Y1 - 2016/5/10

N2 - Heterometallic Prussian blue analogues are known to exhibit thermally induced charge transfer, resulting in switching of optical and magnetic properties. However, charge-transfer phase transitions have not been reported for the simplest FeFe cyanide-bridged systems. A mixed-valence FeII/FeIII cyanide-bridged coordination polymer, {[Fe(Tp)(CN)3]2Fe(bpe)5 H2O}n, which demonstrates a thermally induced charge-transfer phase transition, is described. As a result of the charge transfer during this phase transition, the high-spin state of the whole system does not change to a low-spin state. This result is in contrast to FeCo cyanide-bridged systems that exhibit charge-transfer-induced spin transitions.

AB - Heterometallic Prussian blue analogues are known to exhibit thermally induced charge transfer, resulting in switching of optical and magnetic properties. However, charge-transfer phase transitions have not been reported for the simplest FeFe cyanide-bridged systems. A mixed-valence FeII/FeIII cyanide-bridged coordination polymer, {[Fe(Tp)(CN)3]2Fe(bpe)5 H2O}n, which demonstrates a thermally induced charge-transfer phase transition, is described. As a result of the charge transfer during this phase transition, the high-spin state of the whole system does not change to a low-spin state. This result is in contrast to FeCo cyanide-bridged systems that exhibit charge-transfer-induced spin transitions.

KW - charge transfer

KW - cyanide complexes

KW - iron

KW - mixed-valence

KW - phase transitions

UR - https://www.scopus.com/pages/publications/84981762370

U2 - 10.1002/anie.201601526

DO - 10.1002/anie.201601526

M3 - Article

AN - SCOPUS:84981762370

SN - 1433-7851

VL - 55

SP - 6047

EP - 6050

JO - Angewandte Chemie - International Edition

JF - Angewandte Chemie - International Edition

IS - 20

ER -

Charge-Transfer Phase Transition of a Cyanide-Bridged FeII/FeIII Coordination Polymer

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Charge-Transfer Phase Transition of a Cyanide-Bridged Fe^II/Fe^III Coordination Polymer