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Reversible Thermally and Photoinduced Electron Transfer in a Cyano‐Bridged {Fe 2 Co 2 } Square Complex
Author(s) -
Zhang Yuanzhu,
Li Dongfeng,
Clérac Rodolphe,
Kalisz Marguerite,
Mathonière Corine,
Holmes Stephen M.
Publication year - 2010
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201000765
Subject(s) - prussian blue , intramolecular force , square (algebra) , electron transfer , bistability , optical bistability , electron , materials science , crystallography , square pyramidal molecular geometry , photochemistry , chemical physics , chemistry , condensed matter physics , nuclear magnetic resonance , nonlinear optics , optics , crystal structure , electrochemistry , optoelectronics , physics , stereochemistry , electrode , laser , geometry , quantum mechanics , mathematics
Flip to be square : Structural, spectroscopic, magnetic, and photomagnetic studies conclusively demonstrate that a tetranuclear cyanometalate {Fe 2 Co 2 } complex undergoes reversible thermally and light‐induced changes in its optical and magnetic properties. This bistability is induced by an intramolecular electron transfer, as observed in three‐dimensional Co/Fe Prussian blue compounds (see picture).