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- Title
A Magneto-optical Molecular Device: Interplay of Spin Crossover, Luminescence, Photomagnetism, and Photochromism.
- Authors
Estrader, Marta; Salinas Uber, Jorge; Barrios, Leoní A.; Garcia, Jordi; Lloyd‐Williams, Paul; Roubeau, Olivier; Teat, Simon J.; Aromí, Guillem
- Abstract
A 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.
- Subjects
MAGNETOOPTICAL devices; SPIN crossover; PHOTOLUMINESCENCE; PHOTOMAGNETIC effect; PHOTOCHROMISM; LIGANDS (Chemistry)
- Publication
Angewandte Chemie, 2017, Vol 129, Issue 49, p15828
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201709136