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A magneto‐optical molecular device: Interplay of spin crossover, luminescence, photomagnetism, and photochromism

AuthorsEstrader, Marta ; Salinas-Uber, Jorge; Barrios, L. A.; Garcia, Jordi; Lloyd-Williams, Paul; Roubeau, Olivier; Teat, Simon J.; Aromí, Guillem
Issue Date2017
CitationAngewandte Chemie International Edition 56(49): 15622-15627 (2017)
AbstractA bis(pyrazolylpyridyl) ligand, L, containing a central photochromic dithienylethene spacer predictably forms a ferrous [Fe2L3]4+ helicate exhibiting spin crossover (SCO). In solution, the compound [Fe2L3](ClO4)4 (1) preserves the magnetic properties and is fluorescent. The structure of 1 is photo‐switchable following the reversible ring closure/opening of the central dithienylethene via irradiation with UV/visible light. This photoisomerization switches on and off some emission bands of 1 and provides a means of externally manipulating the magnetic properties of the assembly.
Publisher version (URL)https://doi.org/10.1002/anie.201709136
Appears in Collections:(CIN2) Artículos
(ICMA) Artículos
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