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Article Dans Une Revue Magnetochemistry Année : 2022

Investigation of a Tetrathiafulvalene-Based Fe2+ Thermal Spin Crossover Assembled on Gold Surface

E. Otero
  • Fonction : Auteur
D. Longo
  • Fonction : Auteur

Résumé

A thick film and a monolayer of tetrathiafulvalene-based Fe2+ spin-crossover complex have been deposited by solution on a Au (111) substrate, attempting both self-assembling monolayer protocol and a simpler drop-casting procedure. The thermally induced spin transition has been investigated using X-ray photoelectron spectroscopy (XPS) and X-ray absorption spectroscopy (XAS). Temperature-dependent investigations demonstrated the retention of the switching behavior between the two spin states in thick molecular films obtained by drop-casting, while in the monolayer sample, the loss of the spin-crossover properties appears as a possible consequence of the strong interaction between the sulfur atoms of the ligand and the gold substrate. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.

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Chimie
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Dates et versions

hal-03596347 , version 1 (03-03-2022)

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N. Giaconi, A.L. Sorrentino, L. Poggini, G. Serrano, G. Cucinotta, et al.. Investigation of a Tetrathiafulvalene-Based Fe2+ Thermal Spin Crossover Assembled on Gold Surface. Magnetochemistry, 2022, 8 (2), pp.14. ⟨10.3390/magnetochemistry8020014⟩. ⟨hal-03596347⟩
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