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Article Dans Une Revue Chemistry - A European Journal Année : 2023

Bis(Vinylenedithio)-Tetrathiafulvalene-Based Coordination Networks

Résumé

Novel coordination polymers embedding electroactive moieties present a high interest in the development of porous conducting materials. While tetrathiafulvalene (TTF) based metal-organic frameworks were reported to yield through-space conducting frameworks, the use of S-enriched scaffolds remains elusive in this field. Herein is reported the employment of bis(vinylenedithio)tetrathiafulvalene (BVDT-TTF) functionalized with pyridine coordinating moieties in coordination polymers. Its combination with various transition metals yielded four isostructural networks, whose conductivity increased upon chemical oxidation with iodine. The oxidation was confirmed in a singlecrystal to single-crystal X-ray diffraction experiment for the Cd(II) complex. Raman spectroscopy measurements and DFT calculations confirmed the oxidation state of the bulk materials, and band structure calculations assessed the ground state as an electronically localized antiferromagnetic state, while the conduction occurs in a 2D manner. These results are shedding light to comprehend how to improve through-space conductivity thanks to sulfur enriched ligands.
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Dates et versions

hal-04097574 , version 1 (15-05-2023)

Identifiants

Citer

Federica Solano, Pascale Auban-Senzier, Iwona Olejniczak, Bolesław Barszcz, Tomasz Runka, et al.. Bis(Vinylenedithio)-Tetrathiafulvalene-Based Coordination Networks. Chemistry - A European Journal, 2023, 29 (8), ⟨10.1002/chem.202203138⟩. ⟨hal-04097574⟩
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