JEON, Ie-Rang; CALANCEA, Sergui; PANJA, Anangamohan; PIÑERO CRUZ, Dalice M.; KOUMOUSI, Evangelia S.; DECHAMBENOIT, Pierre; COULON, Claude; WATTIAUX, Alain; ROSA, Patrick; MATHONIÈRE, Corine; CLÉRAC, Rodolphe

doi:10.1039/C3SC22069A

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JEON, Ie-Rang
Centre de recherches Paul Pascal [CRPP]
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

CALANCEA, Sergui
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

PANJA, Anangamohan
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Chemical Science. 2013, vol. 4, n° 6, p. 2463-2470

The Royal Society of Chemistry

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The design of molecule-based systems displaying tuneable optical and/or magnetic properties under external stimuli has received a great deal of attention in the past few years. This interest is driven by the potential applications in high-performance molecule-based electronics in the areas of recording media, switches, sensors, and displays. As an example, three-dimensional Fe/Co Prussian blue compounds exhibit a concomitant change in magnetic and optical properties due to a temperature- or light-induced metal-to-metal electron transfer. The foregoing remarkable properties in Prussian blues prompted us to design soluble molecular fragments of these coordination networks through a rational building-block approach in order to mimic their properties on a single molecule. With a judicious choice of the ligands for the iron and cobalt molecular precursors, we prepared a dinuclear cyanido-bridged Fe/Co complex that exhibits an unexpected temperature-dependent spin crossover in the solid state while an intramolecular electron transfer triggered by protonation is observed in solution.< Réduire

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Spin crossover or intra-molecular electron transfer in a cyanido-bridged Fe/Co dinuclear dumbbell : a matter of state

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