Published June 6, 2022
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Reversible Photoswitching of a Spin-Crossover Molecular Complex in the Solid State at Room Temperature
Creators
- 1. Department of Chemistry and Pharmacy Friedrich-Alexander University of Erlangen-Nuremberg Egerlandstrasse 1–3, 91058 Erlangen (Germany)
- 2. Sincrotrone Trieste S.C.p.A., S.S. 14 km 163.5, Area Science Park, 34149 Trieste (Italy)
- 3. Laboratorio TASC, IOM-CNR, S.S. 14 km 163.5, Basovizza, 34149 Trieste (Italy)
Description
Spin-crossover metal complexes are highly promising magnetic molecular switches for prospective molecule-based devices. The spin-crossover molecular photoswitches developed so far operate either at very low temperatures or in the liquid phase, which hinders practical applications. Herein, we present a molecular spin-crossover iron(II) complex that can be switched between paramagnetic high-spin and diamagnetic low-spin states with light at room temperature in the solid state. The reversible photoswitching is induced by alternating irradiation with ultraviolet and visible light and proceeds at the molecular level.
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