Tuning the Photophysical Properties of Aza‐BODIPYs in the Near‐Infrared Region by Introducing Electron‐Donating Thiophene Substituents - Laboratoire Francis PERRIN (LFP) Accéder directement au contenu
Article Dans Une Revue Chemistry - A European Journal Année : 2023

Tuning the Photophysical Properties of Aza‐BODIPYs in the Near‐Infrared Region by Introducing Electron‐Donating Thiophene Substituents

Résumé

This study presents the synthesis, the spectroscopic and electrochemical properties of new bis- and tetra- substituted azaboron-dipyrromethene (aza-BODIPY) dyes sub- stituted by different electron donating groups connected to the aza-BODIPY core through a thiophene unit. In line with theoretical calculations, experimental measurements point out the positive impact of the thiophene group that behave as a secondary donor group leading to an enhancement of the intramolecular charge transfer process in comparison to previously reported aza-BODIPY dyes. This heterocycle has also been found to tune the oxidative potential and to stabilize the electro-generated species.

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Dates et versions

hal-04594916 , version 2 (30-05-2024)
hal-04594916 , version 1 (03-06-2024)

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Thibaut Baron, Valentin Maffeis, Christophe Bucher, Boris Le Guennic, Akos Banyasz, et al.. Tuning the Photophysical Properties of Aza‐BODIPYs in the Near‐Infrared Region by Introducing Electron‐Donating Thiophene Substituents. Chemistry - A European Journal, 2023, 29 (49), pp.e202301357. ⟨10.1002/chem.202301357⟩. ⟨hal-04594916v2⟩
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